Shanghai Huabang Industrial Business Network - High voltage automatic recloser

[High voltage automatic recloser]CH20-12/630-20 Outdoor AC high voltage automatic recloser

2026-6-10 20:32:58

CH20-12/630-20 outdoor AC high-voltage automatic recloser (hereinafter referred to as recloser) is a new generation of outdoor distribution equipment developed by digesting advanced foreign technology and combining with the characteristics of China's power industry. It is a distribution device that integrates line protection, telemetry, remote control, and remote adjustment, with added functions of line relay protection, local and remote control, four remote and computer communication.

CH20-2/630-20 outdoor AC high-voltage automatic recloser is used in conjunction with ZW20 outdoor high-voltage vacuum circuit breaker to avoid power outages caused by instantaneous faults, timely cut off permanent fault lines, minimize power outages, narrow the scope and duration of power outages, and greatly improve the power supply reliability of the distribution network.

2�� Product Features
a) Power supply situation: Comes with a built-in power supply (secondary energy accumulation from CT) or an external power supply.
b) Overcurrent protection function: inverse time/timed overcurrent protection, overcurrent setting value can be set arbitrarily by the keyboard.
c) Quick break protection function: The quick termination value can be set arbitrarily by the keyboard.
d) Small current grounding protection function: timed small current grounding protection, the protection current can be set arbitrarily by the keyboard.
e) Recloser function: Multiple reclosing function, the number of recloses and reclosing interval can be set arbitrarily by the keyboard.
f) Inverse time limit function: Provides 39 inverse time limit curves, which can achieve automatic cooperation between upper and lower level stations.
g) Sequential coordination: When a fault occurs on the line in front of the recloser, prevent unnecessary actions of the lower level recloser; For faults on the lower level recloser circuit, the upper level recloser can achieve automatic fault interval isolation without disconnection.
h) The "four remote" communication function: standard RS-485 communication interface, which can be used in conjunction with related equipment to achieve remote control of wireless, wired, fiber optic, microwave, carrier, etc.

[High voltage automatic recloser]{{EN_1} Type II) - 12/T630-20 Outdoor AC High Voltage Automatic Recloser (Segmenter)

2026-6-10 20:32:49

MZZ (II) -12/T630-20 outdoor AC high voltage automatic recloser (hereinafter referred to as "recloser") is an outdoor high voltage switchgear with three-phase AC 50Hz. It is mainly used as a 10kV side outgoing switch and 10kV line protection switch in urban and rural substations, which can automatically monitor the operation status of transmission lines, accurately judge instantaneous or permanent faults, and eliminate more than 95% of instantaneous faults. This recloser is a self-contained control and protection function that can automatically perform disconnection and reclosing operations in the AC line according to the predetermined disconnection and reclosing sequence, and then automatically reset or lock afterwards. When used in conjunction with sectionalizers, it can achieve distribution automation without relying on additional control systems. This system minimizes the range and time of power outages to the greatest extent possible, and is also equipped with standard RS232, 485 communication interfaces, and four remote functions, providing strong support for the implementation of comprehensive automation in the power system.

Structural features:
1. The microcomputer control device is equipped with a set of 20 batteries, and the battery capacity can support 50 hours of operation after a power outage.
2. The battery charging adopts electronic PT, AC220V, or CT charging, which is safe and reliable.
3. The device has the function of on-site remote control switch on/off operation, with a remote control distance of 30 meters, and on-site operators do not have the difficulty of climbing power poles.
4. Provide protection setting management function, users can freely modify the tripping current, and the setting value is flexible.

MZZ (II) -12/T630-20 Outdoor AC High Voltage Automatic Recloser (Segmenter) Model Meaning

Main technical parameters of MZZ (II) -12/T630-20 outdoor AC high-voltage automatic recloser (sectionalizer)

Appearance and installation dimensions

MZZ (II) -12/T630-20 Outdoor AC High Voltage Automatic Recloser (Segmenter)

[High voltage automatic recloser]ZCW8-12 Automatic reclosing circuit breaker

2026-6-10 20:32:40

serial number	project		unit	parameter
one	rated voltage		kV	twelve
two	rated current		A	six hundred and thirty
three	Power frequency dry withstand voltage��1min��		kV	forty-two
four	Lightning impulse withstand voltage (peak value)			seventy-five
five	Rated short-circuit breaking current		kA	12.5 16 20
six	Rated short-circuit closing current			31.5 40 50
seven	Rated peak withstand current			31.5 40 50
eight	4s short-time withstand current			12.5 16 20
nine	Rated operating sequence			part-0.3s-HeFen-180s-HeFen
ten	Rated short-circuit current breaking times		time	thirty
eleven	mechanical life			ten thousand
twelve	Rated voltage of energy storage motor		V	DC or AC 220
thirteen	Rated operating voltage (with dedicated spring operating mechanism)	trip coil
		closing coil
fourteen	Rated current of overcurrent release device		A	five
fifteen	Allowable wear thickness of dynamic and static contacts		Mm	three
sixteen	weight		kg	one hundred and sixty

ZCW8-12 automatic reclosing circuit breaker

[High voltage automatic recloser]ZCH32-12 Vacuum automatic recloser

2026-6-10 20:32:31

ZCH32-12 vacuum automatic recloser

[High voltage automatic recloser]CHZ8-12 series outdoor high-pressure vacuum automatic recloser

2026-6-10 20:32:23

The CHZ8-12 series outdoor high-voltage vacuum recloser (hereinafter referred to as the recloser) is a highly intelligent switchgear used in three-phase distribution network systems with AC 50Hz and voltage 12kV. It can automatically perform disconnection and reclosing operations according to pre-set programs under different line conditions, and automatically reset afterwards. The reclosing function can set up to 3 reclosing times, freely select the number of reclosing times, and different reclosing intervals; When used in conjunction with circuit breakers, distribution automation can be achieved without relying on additional control systems. This system can quickly segment and isolate faults, minimize power outages, and is an ideal equipment for urban and rural power grid construction
In addition, the recloser can be equipped with isolation switches according to user requirements

CHZ8-12 series outdoor high-pressure vacuum automatic recloser

[High voltage automatic recloser]CHZ32-12 series outdoor high-pressure vacuum automatic recloser

2026-6-10 20:32:14

The CHZ32-12 series outdoor high-voltage vacuum recloser (hereinafter referred to as the recloser) is a highly intelligent switchgear used in three-phase distribution network systems with AC 50Hz and voltage 12kV. It can automatically perform disconnection and reclosing operations according to pre-set programs under different line conditions, and automatically reset afterwards. The reclosing function can set up to 3 reclosing times, freely select the number of reclosing times, and different reclosing intervals; When used in conjunction with circuit breakers, distribution automation can be achieved without relying on additional control systems. This system can quickly segment and isolate faults, minimize power outages, and is an ideal equipment for urban and rural power grid construction
In addition, the recloser can be equipped with isolation switches according to user requirements

[High voltage automatic recloser]CHLW3-12 outdoor high-voltage SF6 recloser

2026-6-10 20:32:05

The CHLW3-12 outdoor high-voltage SF6 recloser is the main mode of development for rural power grid substations in unmanned substations, and a simple substation composed of 12 kV automatic reclosers is the direction of rural power grid development. Its advantages are simple structure, flexibility, easy use, and strong functionality. It is a distribution automation equipment with Chinese characteristics that has been successfully developed based on the simplified substation model planned for China's rural power grid in 2000, summarizing new development trends at home and abroad.

Function characteristics of CHLW3-12 outdoor high-voltage SF6 recloser:

a�� It can automatically protect faulty lines, identify fault states, overlap, isolate, and lock faulty lines. It is a highly intelligent switchgear that integrates control, protection, measurement, and communication. It can replace general circuit breaker relay protection control devices, eliminating the need for control screens, protection screens, and central signal screens, effectively saving comprehensive investment in substations.
b�� It can automatically execute various pre-set automatic overlapping operation sequences without excessive human intervention.
c�� The use of triple reclosing can eliminate 95% of transient faults and effectively reduce the number of power outages on the line.
d�� Effectively isolate permanent fault line sections and reduce the scope of power outages.
e�� Equipped with a remote control interface, it facilitates coordination with dispatch automation to achieve remote control, remote signaling, and telemetry functions.
f�� Fully functional and flexible installation. There are various specifications and models to meet the needs of various users.
g�� The sulfur hexafluoride automatic recloser has a pressure detection function. When the pressure is lower than the set value, it will lock and issue an alarm signal.
h�� Equipped with a self controlled power supply, and the power supply, controller, and body are integrated structures, suitable for use on various circuits.

[High voltage automatic recloser]CHZW32-12 outdoor vacuum automatic recloser

2026-6-10 20:31:56

The CHZW32-12 outdoor vacuum automatic recloser integrates advanced technologies such as the latest permanent magnet mechanism and epoxy resin integral casting solid insulation process in the world, and adopts vacuum breaking technology, which has the characteristics of long electrical life, reliable breaking, and long-term complete maintenance free. The external insulation is made of imported outdoor specific epoxy resin poured as a whole, which has the advantages of UV resistance, anti flashover, and anti pollution. This product is completely oil-free, SF6 free, maintenance free, and does not pollute the environment. Adopting advanced permanent magnet mechanism, the mechanical performance is stable and reliable; And it is equipped with a manual opening and closing mechanism, which can be manually opened and closed on site if necessary. This product has many advantages such as small size, light weight, easy operation, reliable operation, no pollution, and maintenance free.

The main characteristics of CHZW32-12 outdoor vacuum automatic recloser are:
Epoxy resin solid insulation, oil-free, SF6 free, and harmless to the environment; Vacuum breaking, longitudinal magnetic field arc extinguishing, stable and reliable, imported outdoor specific epoxy resin, UV resistant, anti flashover, not easy to age; Permanent magnet operating mechanism, maintenance free, can work reliably for a long time, with a minimum service life of 10000 times or more; Compact structure, small size, light weight, easy to install and transport. The box has undergone special treatment, is rust free, and can maintain a long-lasting and beautiful appearance (stainless steel box can be selected). It adopts a highly intelligent microcomputer controller, providing multiple functions to meet various user requirements. It can be equipped with FTU to achieve remote control, monitoring, and SCADA functions.

[High voltage automatic recloser]CHZW8-12 series outdoor high-pressure vacuum automatic recloser

2026-6-10 20:31:47

The CHZW8-12 series outdoor high-voltage vacuum automatic recloser (hereinafter referred to as "recloser") is used in three-phase distribution network systems with AC 50Hz and voltage 12kV. The recloser is a high-voltage switchgear with self controlled protection function that can automatically perform opening and closing operations in the AC line according to the predetermined opening and closing sequence, and then automatically reset or lock afterwards. When used in conjunction with circuit breakers, distribution automation can be achieved without relying on additional control systems. This system can quickly segment and isolate faults, minimize power outages, and is an ideal equipment for urban and rural power grid construction. The recloser can be equipped with isolation switches according to user requirements.

Environmental conditions for the use of CHZW8-12 series outdoor high-pressure vacuum automatic recloser:
Surrounding air temperature: upper limit+40 ��, lower limit -30 ��;
Altitude: �� 1000m (if the altitude increases, the rated insulation level will correspondingly increase);
Wind pressure: not exceeding 700Pa (equivalent to a wind speed of 34m/s);
Seismic intensity: not exceeding 8 degrees;
Pollution level: Level IV;
Maximum daily temperature difference: not exceeding 25 ��.

[High voltage automatic recloser]CHZW6-12 outdoor high-pressure vacuum automatic recloser

2026-6-10 20:31:38

The CHZW6-12 outdoor high-voltage vacuum automatic recloser (hereinafter referred to as the recloser) is a new type of recloser configured by a vacuum circuit breaker and a recloser controller. The microcomputer protection function has a three-stage current protection function of quick break, time limited quick break, and overcurrent, with flexible setting of the fast and slow characteristics of the time limit. Users can set the protection setting and delay. Backup protection setting automatic switching function, cold load start delay function The reclosing function can be set up to 3 times, with the freedom to choose the number of reclosing times and different reclosing intervals. It has the function of accelerating before reclosing, accelerating after reclosing, and coordinating in sequence. Automatically identify faults in case of malfunctions, isolate the faulty area, transfer power supply, and restore power supply to non faulty areas.

2�� Structural characteristics of CHZW6-12 outdoor high-pressure vacuum automatic recloser:
Vacuum circuit breakers are dry insulated structures, oil-free, gas free, and lightweight. Ceramic arc extinguishing chambers with good performance and strong stability are used during vacuum arc extinguishing. The recloser controller is equipped with a low-voltage opening and closing interface board, which can set parameters such as reclosing time, reset time, ampere second curve, fault setting, etc. It has complete functions, simple structure, flexible and convenient application, and comprehensive features.
Ordering Instructions:
�� Product model, name, quantity, rated current, rated short-circuit breaking current
�� Is it equipped with a current transformer? It is necessary to indicate the transformation ratio of the current transformer
�� Is it equipped with a power supply

[High voltage automatic recloser]CHZ7-12(24) Outdoor AC High Voltage Automatic Recloser

2026-6-10 20:31:30

The CHZ7-12 (24) outdoor AC high-voltage vacuum automatic recloser consists of ZW20A-12 circuit breaker and CH30 reclosing controller. It is an outdoor high-voltage distribution device with a rated voltage of 12kV and three-phase AC 50Hz.
The CHZ7-12 (24) outdoor AC high-voltage automatic recloser is suitable for protecting and controlling feeder terminals in substations, distribution lines in industrial and mining enterprises, and urban and rural power grids. It is particularly suitable for places with frequent operations and urban network automation distribution networks.

Characteristics of CHZ7-12 (24) outdoor AC high-voltage automatic recloser:
1. Ideal equipment for urban and rural power grid renovation: using current voltage time type control terminals that integrate line protection, telemetry, telemetry, remote control, remote signaling, and remote adjustment.
2. Flexible and convenient operation: This product is equipped with electric energy storage, electric opening and closing, as well as manual energy storage, manual opening and closing, and can be operated at close or long distances.
3. Superior breaking performance: breaking short-circuit current of 25kA for up to 30 times.
4. Low operating power and high reliability: The newly designed small electric spring mechanism reduces the operating power (about 30W) to the lowest level.
5. Flexible installation method: Column mounted lifting or sitting installation can be used.
6. Reliable sealing performance: Sf6 has zero gauge pressure and adopts mature sealing structure technology, which ensures reliable sealing performance and is not prone to leakage.
7. Unique incoming and outgoing wiring method: using silicone rubber sleeves to ensure sufficient insulation distance between terminal blocks and excellent external insulation characteristics.
8. Safety of use: Explosion proof devices are installed at the top of the box, so even in the event of an unexpected internal failure, there will be no leakage of high-temperature gases or splashes.

[High voltage automatic recloser]CHZ��-12 High pressure vacuum automatic recloser

2026-6-10 20:31:21

The CHZ �� -12 high-voltage vacuum automatic recloser (hereinafter referred to as the recloser) is used in three-phase power systems with AC 50HZ and voltage of 10-20KV. This recloser is a high-voltage switchgear with self controlled protection function that can automatically perform disconnection and reclosing operations in the AC line according to the predetermined disconnection and reclosing sequence, and then automatically reset or lock afterwards. When used in conjunction with circuit breakers, it can achieve distribution automation without relying on additional control systems. This system can quickly segment and isolate faults, minimizing the scope of power outages. It is an ideal equipment for urban and rural power grid transformation. The recloser can be equipped with isolation switches according to user requirements.