Shanghai Huabang Industrial Business Network - Electricity metering box

[Electricity metering box]JLSZY-10 Outdoor High Voltage Metering Box

2026-6-20 12:00:07

JLSZY-10 Outdoor High Voltage Metering Box

[Electricity metering box]JLS9 type oil immersed high-pressure metering box

2026-6-20 11:59:59

JLS9 oil immersed high-pressure metering box

[Electricity metering box]JLS4-6,10 series high-voltage metering box

2026-6-20 11:59:50

JLS4-6, 10 series high-voltage metering box

[Electricity metering box]JLSZW-35 High voltage metering box

2026-6-20 11:59:42

JLSZW-35 High Voltage Metering Box

[Electricity metering box]JLSG-6 Type Dry Outdoor High Voltage Metering Box

2026-6-20 11:59:33

JLSG-6 Dry Outdoor High Voltage Metering Box

[Electricity metering box]JLSZYo-35W Outdoor high-voltage electric energy metering box

2026-6-20 11:59:24

JLSZYo-35W Outdoor High Voltage Electric Energy Metering Box

[Electricity metering box]JSLG4-6,10 Outdoor high-voltage electric energy metering box

2026-6-20 11:59:16

This type of three-phase outdoor dry-type high-voltage energy metering box (combined transformer) is suitable for measuring electrical energy on lines with a frequency of 50Hz three-phase AC, rated voltages of 6kV and 10kV. It is an electrical equipment used to directly measure active and reactive electrical energy in high-voltage lines. It plays an important role in preventing electricity theft, saving energy, and strengthening power supply management. All technical indicators comply with the requirements of GB17201, GB1208, and GB1207 standards. This product can replace oil immersed power metering boxes

JSLG4-6, 10. Structural characteristics of outdoor high-voltage electric energy metering box:
This product consists of two main parts: a combination transformer and an electric meter box.
The combination transformer consists of two single-phase voltage transformers (PT) and two current transformers (CT), both of which are electromagnetic. The two PTs are connected by V/V to form a three-phase measuring device, and the primary windings of the two CTs are connected in series with A and C, respectively. The side of the box is welded with grounding bolts.
The electric meter box is connected to the secondary winding output of the combined transformer, and the electric meter box is equipped with one three-phase three wire active meter and one reactive meter.

JSLG4-6, 10 Technical parameters of outdoor high-voltage electric energy metering box:
Accuracy level and corresponding secondary load:
PT: 0.2 grade/15VA 0.5 grade/20VAC: 0.2S grade/10VA 0.2 grade/10VA 0.5 grade/10VA 0.5 grade/10VA;
Rated current ratio: 5-300/5 (A);
Insulation level: 6kV is 7.2/30/60, 10kV is 12/42/75;
Pollution level: Level IV;
Load power factor COS ��=0.8 (lag);
Rated voltage ratio: 10kV is 10/0.1 (kV), 6kV is 6/0.1 (kV).

JSLG4-6, 10 Outdoor High Voltage Energy Metering Boxes

[Electricity metering box]JLSZW8-10 High voltage metering box

2026-6-20 11:59:08

JLSZW8-10 High Voltage Metering Box

[Electricity metering box]JLS3-6 series high-voltage power metering box

2026-6-20 11:58:59

JLS3-6 series high-voltage power metering box

[Electricity metering box]JLS3-10 series high-voltage power metering box

2026-6-20 11:58:51

JLS3-10 series high-voltage power metering box

[Electricity metering box]JLSQ-3,6,10 series three-phase energy metering box

2026-6-20 11:58:43

JLSQ-3, The 6-10 three-phase energy metering box is suitable for measuring active and reactive energy in outdoor 3, 6, 10KV, 50HZ AC three-phase power systems, and its product performance complies with GB17201-1997.

Terms of Use
1. Environmental temperature: Maximum temperature:+40 �� Daily average temperature cannot exceed:+30 �� Minimum temperature: -30 ��
2. Altitude: not exceeding 1000 meters
3. Atmospheric conditions: no severe corrosive gases, Class II polluted areas
4. Seismic fortification intensity: 8 degrees
5. Wind speed: less than 35m/s. 6. Installation location: outdoors

JLSQ-3, Main specifications and technical parameters of the 6,10 series three-phase energy metering box
This product complies with the GB17201-1997 "Combination Transformer" standard, and the main specifications and technical parameters are as follows:
1. Rated frequency: 50HZ
2. Main specifications: 5600/5
3. Rated primary voltage: 3, 6, 10KV
4. Rated secondary voltage: 100V
5. Rated capacity of current transformer: 10-15VA (COS ��=0.8 hysteresis)
6. Rated capacity of voltage transformer: 15-20VA (COS ��=0.8 hysteresis)
7. Accuracy level: 0.1 level, 0.2 level, 0.2S level
8. Rated insulation level: 12/42/75KV
9. The rated short-time thermoelectric current multiple and dynamic stable current multiple are 90 times and 225 times, respectively.
10. Rated operating pressure of sulfur hexafluoride gas: 0.4Mpa (20 ��), minimum operating pressure of sulfur hexafluoride gas: 0.35Mpa (20 ��)

[Electricity metering box]JLSZK-12W Prepaid High Voltage Metering Box

2026-6-20 11:58:33

JLSZK-12W Prepaid High Voltage Metering Box

[Electricity metering box]LFZS-0.66 type fully enclosed transformer metering device

2026-6-20 11:58:25

1�� Product Introduction
The LFZS-0.66 fully enclosed transformer measuring device is a new type of fully enclosed measuring device specifically designed for measuring the low voltage end of 10kV power transformers installed indoors and outdoors.
The primary side of the internal transformer of the device is a compound turn type, and the secondary uses a super microcrystalline alloy iron core. It adopts epoxy resin fully cast insulation, and the three-phase current transformer is cast in one go, which has the characteristics of small volume and strong overall sealing.
This device is directly installed on the low-voltage output terminal of the transformer, using tempered glass and a casting body to be installed in a closed manner, that is, the output terminal is completely closed, and the secondary wiring can be directly observed from the outside. Has good anti-theft performance.

2�� Technical parameters of LFZS-0.66 fully enclosed transformer metering device
Reference standards
GB1208-2006 "Current Transformers"
IEC69944-1:2003 "Transformers Part 1: Current Transformers"
JB/T5356-2002 "Guidelines for Testing Current Transformers"
Electrical performance
Rated voltage: 0.5 kV
Maximum voltage of equipment: 0.66 kV
Power frequency withstand voltage: 3 kV, 60 s
Rated frequency: 50 Hz
Technical data
Rated primary current: 50-800 A
Rated secondary current: 5 or 1 A
Accuracy level of transformer: 0.5S or 0.2S level
Rated secondary output: 10VA or 10-3.75VA
environmental conditions
Usage environment: indoor or outdoor
Environmental temperature: -25~50 ��
Rated altitude: �� 1000 meters

LFZS-0.66 fully enclosed transformer metering device

[Electricity metering box]LMZS-0.66 type fully enclosed transformer metering device

2026-6-20 11:58:17

The LMZS-0.66 fully enclosed transformer measuring device is a new type of fully enclosed measuring device specifically designed for measuring the low voltage end of 10kV power transformers installed indoors and outdoors.
The internal transformer of the device uses a super microcrystalline alloy iron core, a single turn through core busbar structure, an SMC pressure formed shell, and epoxy resin fully cast insulation. The three-phase current transformer is cast in one go, which has the characteristics of small volume, high accuracy level, and strong overall sealing.
This device is directly installed on the low-voltage output terminal of the transformer, using tempered glass and a casting body to be installed in a closed manner, that is, the output terminal is completely closed, and the secondary wiring can be directly observed from the outside. Has good anti-theft performance.

Technical parameters of LMZS-0.66 fully enclosed transformer metering device

Reference standards
GB1208-2006 "Current Transformers"
IEC69944-1:2003 "Transformers Part 1: Current Transformers"
JB/T5356-2002 "Guidelines for Testing Current Transformers"
Electrical performance
Rated voltage: 0.5 kV
Maximum voltage of equipment: 0.66 kV
Power frequency withstand voltage: 3 kV, 60 s
Rated frequency: 50 Hz
Technical data
Rated primary current: 100-600 A
Rated secondary current: 5 or 1 A
Accuracy level of transformer: 0.5S or 0.2S level
Rated secondary output: 10VA or 10-3.75VA
environmental conditions
Usage environment: indoor or outdoor
Environmental temperature: -25~50 ��
Rated altitude: �� 1000 meters

LMZS-0.66 fully enclosed transformer metering device

[Electricity metering box]JLSJWS-35 Three phase four wire power metering box

2026-6-20 11:58:08

JLSJWS-35 three-phase four wire power metering box

[Electricity metering box]JLS3-3 series high-voltage power metering box

2026-6-20 11:58:00

JLS3-3 series high-voltage power metering box

[Electricity metering box]JLSZ2-10,6,3 series dry metering box (barrel type)

2026-6-20 11:57:51

JLSZ2-10, The 6,3 series dry-type metering box (bucket type) (combination transformer) is suitable for measuring electrical energy on 50HZ three-phase AC power grids with rated voltages of 6KV, 10KV, and 35KV. It is installed on the high voltage side of the power supply transformer and contains three-phase active and reactive energy meters inside the instrument box. It is an electrical equipment used to directly measure active and reactive energy in high-voltage lines. It plays a major role in preventing electricity theft, saving energy, and strengthening power supply management. All technical indicators fully comply with the national standards GB17201-1997, GB1208-1997, GB1207-1997, and enterprise Q/YCD02-2000. It has obtained the manufacturing license (03820397) for measuring instruments from the National Technical Supervision Bureau. The product has been inspected and qualified by the National Transformer Supervision and Inspection Center, and has been approved by the National Economic and Trade Commission to be included in the third batch of recommended products for urban and rural power grid construction and renovation in China.

JLSZ2-10, 6,3 series dry metering box (barrel type) can replace oil immersed power metering box

2�� Product model and meaning

3�� Structural features

JLSZ2-10, The 6,3 series dry metering box (barrel type) consists of two parts: a combination transformer and an instrument box
The combination transformer consists of two single-phase voltage transformers (PT) connected together and two current transformers (CT). Both PT and CT are electromagnetic, and the two PT windings are connected by V/V to form a three-phase measuring device. The primary windings of the two CTs are connected in series with the power grid A and C, respectively. The side of the box is welded with grounding screws.
The instrument box is connected to the secondary winding output of the combination transformer, and there is one three-phase active meter and one reactive meter installed inside the instrument box. The numbers can be clearly read from inside the box.

4�� Main technical parameters
1. Rated voltage: 35KV10KV6KV
2. Accuracy level: 0.5 and 0.2 levels, 0.5S and 0.2S levels
3. Rated transformation ratio: Voltage ratio: 35000/100V, 10000/100V, 6000/100V
Current ratio: A current of 2.5, 5, 7.5, 10, 15, 20, 30, 40, 50, 75, 100, etc.
4. Dual current ratio specification: The secondary current of the dual ratio current has a specified current ratio of 1S1, 1S2, 1S3, 21S1, 21S2, 21S3, where S1 and S2 are small current ratios and S1 and S3 are large current ratios. The current ratio connection should be selected according to the maximum capacity of the corresponding transformer
5. Rated capacity:
6KV0.2, 0.2S voltage section: 2 × 20VA current section: 2 × 10VA 0.5 voltage section: 2 × 25VA current section: 2 × 10VA10KV0.2, 0.2S, 0.5 voltage section: 2 × 25VA current section: 2 × 10VA35KV0.2, 0.2S, 0.5 voltage section: 2 × 50VA current section: 2 × 10VA

6. Voltage Transformer Error Limit Table:

7. Error Limit Table for Current Transformers:

8. Error limits for special current transformers:

9. Temperature rise limit of transformer:

5�� Wiring schematic diagram

6�� Usage conditions
This product is intended for use within the ambient temperature range of -30 ° C to+40 ° C and at altitudes below 2500 meters. The air temperature should not exceed 85%. The installation site should have no severe vibration or turbulence, and there should be no highly corrosive gases. It is not suitable for installation in flammable and explosive places.

7�� Inspection and maintenance before use

1. Measure the insulation resistance of the winding and compare it with the factory value.
2. Check whether the wiring of the secondary circuit is correct, and whether the screws and pressure plate positions of the junction box are normal.
3. Check if the grounding of the casing is good and if the lightning protection measures have been compromised.
4. When connecting a line, it should be consistent with the phase sequence of the power grid, and the incoming and outgoing wiring of P1 and P2 must be correct.
5. Voltage transformers are not allowed to have short circuits in the secondary, and current transformers are not allowed to have open circuits in the secondary. Voltage transformers, current transformer secondary, and box casings must be reliably grounded to ensure the safety of instruments and personnel.

8�� Exterior installation dimensions

9�� Ordering Notice:
When placing an order, the user should provide the following information to the manufacturer:
1. Rated primary voltage ratio and current ratio;
2. Accuracy level;
3. Usage conditions;
4. Types, quantities, and accuracy levels of distribution meters.

[Electricity metering box]JLSG-10 series dry metering box (barrel type)

2026-6-20 11:57:43

JLSG-10 series dry metering box

JLSG-10 series dry metering box (barrel type)

[Electricity metering box]JLSZ1-10 Dry type electric energy metering box

2026-6-20 11:57:35

The JLSZ1-10 electric energy metering box is suitable for measuring active and reactive energy in outdoor AC circuits with a rated voltage of 10kV and a rated frequency of 50Hz.

[Electricity metering box]JLS-10 Type Three phase Electric Energy Metering Box

2026-6-20 11:57:26

The JLS-10 combined electric energy metering box is a three-phase AC outdoor power equipment widely used in power plants, substations, and industrial and mining enterprises for measuring electric energy in transmission lines with a rated frequency of 50Hz and 10kV.

JLS-10 three-phase electric energy metering box

[Electricity metering box]JLS-35 Type Three phase Electric Energy Metering Box

2026-6-20 11:57:18

The JLS-35 combined electric energy metering box is a three-phase AC outdoor power equipment widely used in power plants, substations, and industrial and mining enterprises for measuring electric energy in transmission lines with a rated frequency of 50Hz and 35kV.

JLS-35 three-phase electric energy metering box

[Electricity metering box]SF6 Gas Insulated Three Phase Energy Metering Box

2026-6-20 11:57:10

The JLSQ-35 SF6 gas insulated energy metering box is suitable for outdoor AC three-phase power systems with a rated voltage of 35kV and a rated frequency of 50Hz
Measurement of active and reactive electrical energy. Suitable for outdoor substations in rural areas, as well as small substations and distribution stations in industrial enterprises.

The JLSQ-35 SF6 gas insulated three-phase energy metering box consists of two main parts: a combination transformer and an instrument box. The combination transformer consists of two current transformers and two voltage transformers.

The product complies with the provisions of GB1207-1997 "Voltage Transformers", GB1208-1997 "Current Transformers", and GB17201-1997 "Combination Transformers".
Can meet the oil-free requirements of power plants.
High measurement accuracy, up to 0.1 or 0.2S level.
Reliable performance, 10 years of maintenance free, anti electricity theft.

JLSQ-35 SF6 gas insulated three-phase electric energy metering box

[Electricity metering box]XJ-12 outdoor dry-type high-voltage electric energy metering box

2026-6-20 11:57:01

The XJ-12 high-voltage electric energy metering box (outdoor, dry-type) is equivalent to the LJSWH-6, 10 kV metering box and has been improved to a high-voltage dry-type. It is a supporting product for urban and rural power grid renovation. Small size, light weight, high protection level, and reasonable structure, it is recommended by the joint design team for high-voltage electric energy metering.

Rated voltage: 6 kV, 10 kV;
Voltage capacity: 20-30VA;
Rated current: 5-600A;
Current capacity: 10-15 VA;
Rated frequency: 50Hz, 60Hz;
Rated voltage of metering circuit: 100V;
Rated current of metering circuit: 5A, 1A;
Measurement accuracy: 0.2 level, 0.2S level

XJ-12 High Voltage Electric Energy Metering Box (Outdoor, Dry Type)

[Electricity metering box]JLS-12W outdoor high-voltage power metering box

2026-6-20 11:56:53

Main technical parameters of JLS-12W outdoor high-voltage power metering box

1. Rated voltage:
2. Rated current: Primary 5-600 (A)
Secondary 5 (A)
3. Accuracy level: 0.5 or 0.2
4. Secondary load: voltage 25 (VA)
Current 10 (VA)
4. Power frequency withstand voltage: 42 (KV)/minute
The JLS 6/12W three-phase oil immersed outdoor high-voltage power metering box is used for measuring the active and reactive electricity in the power supply area on a three-phase AC 50Hz network with a voltage of 6 or 10 dry volts. The primary voltage of the voltage transformer in this product is 6 or 10 dry volts, and the secondary voltage is 100 volts. There are two types of current ratios for current transformers: single ratio and double ratio. And it can be applied to dual measurement.
Single variable ratio specifications include: 5/5 to 600/5, etc
Dual ratio specifications include: 5-10/5-100-600/5, etc
Used within the rated capacity range of 25% to 100%, with accuracy levels of 0.5 and 0.2. This product uses single-phase components and forms a three-phase device through V/V wiring. Instruments are installed on the outside of the box

Box, for observing the measurement situation.

The JLS-12W outdoor high-voltage power metering box has a small volume, light weight, beautiful appearance, accurate measurement, easy maintenance and management, complete specifications, and can prevent electricity theft and leakage. It is an ideal equipment for energy metering.

[Electricity metering box]JLS-6W outdoor high-voltage power metering box

2026-6-20 11:56:43

Main technical parameters of JLS-6W outdoor high-voltage power metering box

1. Rated voltage:
2. Rated current: Primary 5-600 (A)
Secondary 5 (A)
3. Accuracy level: 0.5 or 0.2
4. Secondary load: voltage 25 (VA)
Current 10 (VA)
4. Power frequency withstand voltage: 42 (KV)/minute
The JLS 6/12W three-phase oil immersed outdoor high-voltage power metering box is used for measuring the active and reactive electricity in the power supply area on a three-phase AC 50Hz network with a voltage of 6 or 10 dry volts. The primary voltage of the voltage transformer in this product is 6 or 10 dry volts, and the secondary voltage is 100 volts. There are two types of current ratios for current transformers: single ratio and double ratio. And it can be applied to dual measurement.
Single variable ratio specifications include: 5/5 to 600/5, etc
Dual ratio specifications include: 5-10/5-100-600/5, etc
Used within the rated capacity range of 25% to 100%, with accuracy levels of 0.5 and 0.2. This product uses single-phase components and forms a three-phase device through V/V wiring. An instrument box is installed on the outside of the box for observing the measurement situation.

The JLS-6W outdoor high-voltage power metering box has a small volume, light weight, beautiful appearance, accurate measurement, easy maintenance and management, complete specifications, and can prevent electricity theft and leakage. It is an ideal equipment for energy metering.

[Electricity metering box]JLS-40.5W High voltage power metering box

2026-6-20 11:56:35

The JLS-40.5 three-phase oil immersed outdoor high-voltage power metering box is composed of two voltage transformers and two current transformers combined and installed in one oil tank. Suitable for measuring active and reactive energy on a three-phase AC network with a rated voltage of 40.5KV and a rated frequency of 50Hz.

Main technical parameters of JLS-40.5W high-voltage power metering box

1. Rated primary voltage: 35000 (V)
2. Rated secondary voltage: 100 (V)
3. Rated primary current:
a�� Single variable ratio specifications include: 5, 10, 15, 20, 25, 30, 40

50, 60, 75, 100, 150, 200
b�� Dual ratio specifications include: 5-10, 10-15, 15-25, 15-30, 20-40, 25-50, 50-70, 50-100, 75-150, 100-200
4. Rated secondary current: 5 (A)
5. Rated output and accuracy level: The current transformer is at 10VA 0.2S level or 0.2S level, and the voltage transformer is at 25VA 0.2 level
6. Power frequency withstand voltage: The primary to secondary and ground short-time power frequency withstand voltage is 95KV, and the secondary to ground short-time power frequency withstand voltage is 3KV
7. Rated short-time thermal current: 90 times the rated primary current
8. Rated dynamic stability current: 2.5 times the rated short-time thermal current

Error and temperature rise of voltage and current transformers inside the measuring box
The JLS-40.5W high-voltage power metering box meets the requirements of GB1207-97 and GB1208-97

Voltage Transformer Error Limit

accuracy level	Voltage error ±% (At the following rated voltage percentages)			Phase difference ±% (At the following rated voltage percentages)
accuracy level	eighty	one hundred	one hundred and twenty	eighty	one hundred	one hundred and twenty
zero point five	zero point five	zero point five	zero point five	twenty	twenty	twenty
zero point two	zero point five	zero point two	zero point two	ten	ten	ten

Error limit of current transformer

accuracy level	Voltage error ±% (At the following rated voltage percentages)				Phase difference ±% (At the following rated voltage percentages)
accuracy level	five	twenty	one hundred	one hundred and twenty	five	twenty	one hundred	one hundred and twenty
zero point five	one point five	zero point seven five	zero point five	zero point five	ninety	forty-five	thirty	thirty
zero point two	zero point seven five	zero point three five	zero point two	zero point two	thirty	fifteen	ten	ten

JLS-40.5W high-voltage power metering box temperature rise limit (referring to the temperature rise at maximum capacity)

Mutual inductance location	Temperature rise 0C	measurement method
coil	fifty-five	Resistance method
Coil head or connection sign	fifty	Thermometer method
oil noodles	fifty	Thermometer method

JLS-40.5W high-voltage power metering box

[Electricity metering box]JLSZW6-10 High voltage outdoor dry-type power metering box

2026-6-20 11:56:27

The JLSZW6-10 three-phase outdoor epoxy resin cast combination transformer (commonly known as the power metering box) is composed of two independent single-phase voltage transformers and two independent single-phase current transformers assembled on a single chassis. Both current and voltage transformers are made of imported outdoor epoxy resin poured in one go, with high mechanical strength and the ability to withstand various tensile and vibration forces during operation. This product has high precision, low temperature rise, good fire prevention, explosion prevention, electricity theft prevention, pollution resistance, and dynamic and thermal stability performance. This product is suitable for measuring electrical energy in three-phase AC lines with a rated frequency of 50Hz and a rated voltage of 10kV

Main technical parameters of JLSZW6-10 high-voltage outdoor dry-type power metering box
voltage transformer

Rated voltage ratio (KV)	accuracy level	Rated output (VA)	Maximum output (VA)	Rated insulation level (KV)
10/0.1	0.2 or 0.5 level	15 or 25	three hundred	12/45/75

current transformer

Rated current ratio (A)	accuracy level	Rated output (VA)	Short term thermal current (1st)	Dynamic stable current (KV)	Rated insulation level (KV)
5��300/5	0.2S or 0.2 level	seven point five	100l1n	2.50lth	12/42/75

Outline dimension drawing of JLSZW6-10 high-voltage outdoor dry-type power metering box

JLSZW6-10 high-voltage outdoor dry-type power metering box

[Electricity metering box]JLS series high-voltage power metering box

2026-6-20 11:56:18

Technical parameters of JLS series high-voltage power metering box

1. The product performance complies with GB17201-1997;
2. Rated voltage: 6kV, 10kV, 35kV
3. Accuracy levels: 0.5 and 0.2, 0.5S and 0.2S;
4. Rated transformation ratio: voltage ratio 6000/100 10000/100 35000/100 current ratio 5-300/5 (high current transformation ratio can be set)

Technical parameters of combination transformer

wiring diagram

Outline drawing of JLS series high-voltage power metering box and meter box

Current ratio (A)	Accuracy level and rated output				Weight (kg)	One second thermal stability Current (KA)	Dynamic stability Current (KA)
	0.2s	zero point five	zero point two	zero point five
5-400/5	ten	ten	10(15)	10(20)		60 l1n	150 l1n
Voltage ratio (V)	Accuracy level and rated output (VA) COS ��=0.8					Maximum output (VA)
	zero point two	zero point five		one
6000/100 10000/100	twenty	thirty		fifty	ninety-five	three hundred
35000/100	thirty	fifty		eighty	four hundred	four hundred

JLS series high-voltage power metering box

[Electricity metering box]JLS-1 series programmable power metering box

2026-6-20 11:56:10

Main performance of JLS-1 series programmable power metering box

1. Rated voltage: divided into 3 × 0.5kV, 3 × 0.66kV, and 3 × 1.14kV
2. Rated transformation ratio: 1~600/5A
3. Rated capacity: PT component 5VA CT 5VA
4. Accuracy level: 0.5 level, 0.2 level, 0.2S level, 0.5S level

JLS-1 series programmable power metering box