Shanghai Huabang Industrial Business Network - High voltage relay

[High voltage relay]JPK-31/067 Plastic sealed vacuum relay

2026-6-15 13:56:28

JPK-31/067 Plastic Sealed Vacuum Relay

[High voltage relay]JPK-13/013 type ceramic vacuum relay

2026-6-15 13:56:20

JPK-13/013 Ceramic Vacuum Relay

[High voltage relay]JPK-11/008 type ceramic vacuum relay

2026-6-15 13:56:12

JPK-11/008 Ceramic Vacuum Relay

[High voltage relay]JPK-4/003 type ceramic vacuum relay

2026-6-15 13:56:04

JPK-4/003 Ceramic Vacuum Relay

[High voltage relay]JPK-3/002 Vacuum relay

2026-6-15 13:55:56

Specification No		JPK-3/002
Contact Configuration Form		1D
Test Voltage (DC or AC 50Hz Peak) kV		fifty
Rated Operating Voltage (Peak) kV	DC or AC 50Hz	forty
	AC2.5MHz	��
	AC16MHz	��
	AC32MHz	��
Rated carrying current (effective value) Continuous Current, Carry (RMS) A	DC or AC 50Hz	fourteen
	AC2.5MHz	��
	AC16MHz	��
	AC32MHz	��
Contact Resistance (��)		zero point zero two
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts	��
	Open Contacts to Ground between Contact Point and Shell	��
Maximum Action Time Operate Time Max. (ms)		��
Maximum Release Time Max. (ms)		fifty
Temperature Range of Temp. (��)		-55~85
Shock level, 11ms 1/2Sine (Peak g's)		fifty
Vibration level, Peak 10g��s( Hz)		10~500
Expected Mechanical Life (× 104)		two
Nominal Weight (Kg)		two point five

Coil Parameter
�� Nominal voltage DC (V) 24
�� Maximum suction voltage DC (V) 17
�� Minimum release voltage DC (V) 1-10
�� Coil resistance (��± 10%) 120

JPK-3/002 Vacuum Relay

[High voltage relay]JPK-5/004 Vacuum relay

2026-6-15 13:55:47

JPK-5/004 Vacuum Relay

Specification No		JPK-5/004
Contact Configuration Form		1D
Test Voltage (DC or AC 50Hz Peak) kV		one hundred
Rated Operating Voltage (Peak) kV	DC or AC 50Hz	eighty
	AC2.5MHz	��
	AC16MHz	��
	AC32MHz	��
Rated carrying current (effective value) Continuous Current, Carry (RMS) A	DC or AC 50Hz	fourteen
	AC2.5MHz	��
	AC16MHz	��
	AC32MHz	��
Contact Resistance (��)		zero point zero two
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts	��
	Open Contacts to Ground between Contact Point and Shell	��
Maximum Action Time Operate Time Max. (ms)		��
Maximum Release Time Max. (ms)		fifty
Temperature Range of Temp. (��)		-55~85
Shock level, 11ms 1/2Sine (Peak g's)		fifty
Vibration level, Peak 10g��s( Hz)		10~500
Expected Mechanical Life (× 104)		two
Nominal Weight (Kg)		three point eight

Coil Parameter
Rated Voltage DC (V) 24
�� Maximum Pull in Voltage Max. DC (V) 17
�� Minimum release voltage Dropout Voltage. Min. DC (V) 1~10
�� Coil Resistance (��± 10%) 120

JPK-5/004 Vacuum Relay

[High voltage relay]JPK-7/005 Vacuum relay

2026-6-15 13:55:39

JPK-7/005 Vacuum Relay

Specification No		JPK-7/005
Contact Configuration Form		2Z
Test Voltage (DC or AC 50Hz Peak) kV		twenty-five
Rated Operating Voltage (Peak) kV	DC or AC 50Hz	twenty
	AC2.5MHz	fifteen
	AC16MHz	ten
	AC32MHz	��
Rated carrying current (effective value) Continuous Current, Carry (RMS) A	DC or AC 50Hz	one hundred and fifty
	AC2.5MHz	seventy
	AC16MHz	forty-five
	AC32MHz	��
Contact Resistance (��)		zero point zero zero five
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts	five
	Open Contacts to Ground between Contact Point and Shell	five
Maximum Action Time Operate Time Max. (ms)		one hundred
Maximum Release Time Max. (ms)		fifteen
Temperature Range of Temp. (��)		-55~125
Shock level, 11ms 1/2Sine (Peak g's)		294(30)
Vibration level, Peak 10g��s( Hz)		10~55
Expected Mechanical Life (× 104)		one
Nominal Weight (g)		one thousand and four hundred

Coil Parameter
Rated Voltage DC (V) 24
�� Maximum Pull in Voltage Max. DC (V) 16
�� Minimum release voltage Dropout Voltage. Min. DC (V) 1~10
�� Coil Resistance (��± 10%) 60

JPK-7/005 Vacuum Relay

[High voltage relay]JPK-6/006 Vacuum relay

2026-6-15 13:55:31

JPK-6/006 Vacuum Relay		JPK-6/006
Test voltage (DC or 50Hz AC peak) kV		twenty-five
Rated working voltage (peak) kV	DC or AC 50Hz	twenty
	AC2.5MHz	fifteen
	AC16MHz	ten

Rated carrying current (effective value) A	DC or AC 50Hz	one hundred and fifty
	AC2.5MHz	seventy
	AC16MHz	forty-five

Contact resistance (��)		zero point zero zero five
Distributed capacitance (pf)	Between disconnected contacts Beteween Open Contacts	five
	Open Contacts to Ground between Contact Point and Shell	five
Maximum action time (ms)		one hundred
Maximum release time (ms)		fifteen
Temperature range (��)		-55~+125
Shock level, 11ms 1/2Sine (Peak g's)		thirty
Vibration level (Hz)		10~55
Mechanical lifespan (× 106)		one
Nominal weight (g)		one thousand and four hundred

JPK-6/006 Vacuum Relay Coil Parameter Data

Nominal voltage (V)	twenty-four
Maximum suction voltage (V)	sixteen
Release voltage (V)	one
Coil resistance (��± 10%)	sixty

Explanation: JPK-6/006 can be installed at any angle

[High voltage relay]JPK-2/009 Vacuum relay

2026-6-15 13:55:23

JPK-2/009 Vacuum Relay

Specification number			JPK-2/009
Contact combination form			1Z
Test voltage (DC or 50Hz AC peak) kV			fifteen
Rated working voltage (peak) kV		DC or AC 50Hz	twelve
		AC2.5MHz	ten
		AC16MHz	eight
		AC32MHz	five
Rated carrying current (effective value) A		DC or AC 50Hz	fifty
		AC2.5MHz	thirty
		AC16MHz	seventeen point five
		AC32MHz	ten
Contact resistance (��)			zero point zero one two
Distributed electricity (PF)	Between disconnected contacts		zero point five
	Between the contact point and the casing		one
Maximum action time (ms)			eighteen
Maximum release time (ms)			nine
Temperature range (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			fifty
Vibration level, Peak 10g��s( Hz)			10~500
Mechanical lifespan (× 106)			one
Nominal weight (g)			seventy-four

Coil Parameter

Nominal voltage (V)	twenty-four
Maximum suction voltage (V)	sixteen
Minimum release voltage (V)	one point five
Coil resistance (��± 10%)	one hundred and eighty

JPK-2/009 Vacuum Relay

[High voltage relay]JPK-2/054 Vacuum relay

2026-6-15 13:55:14

Specification number Specification No.			JPK-2/054
Contact combination form Contact Configuration			1Z
Test voltage (DC or 50Hz AC peak) Test Voltage ��DC or AC 50Hz Peak��kV			fifteen
Rated working voltage (peak value) Rated Operating Voltage(Peak) kV		DC or AC 50Hz	twelve
		AC2.5MHz
		AC16MHz
		AC32MHz
Rated carrying current (effective value) Continuous Current, Carry( RMS) A		DC or AC 50Hz	thirty
		AC2.5MHz
		AC16MHz
		AC32MHz
Contact Resistance (��)			zero point zero two five
Distributed capacitance Contact Capacity ��pf��	Between disconnected contacts Beteween Open Contacts		zero point five
	Between the contact point and the casing Open Contacts to Ground		one
Maximum Action Time Operate Time Max. (ms)			eighteen
Maximum Release Time Max. (ms)			nine
Temperature Range of Temp. (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			fifty
Vibration level, Peak 10g��s( Hz)			10~500
mechanical life Expected Mechanical Life(×106)			one
Nominal Weight (g)			seventy-four

JPK-2/054 Vacuum Relay Coil Parameter Data

Rated Voltage DC (V)	twenty-four
Maximum Pull in Voltage Max. DC (V)	sixteen
Minimum Release Voltage Dropout Voltage. Min. DC (V)	one point five
Coil Resistance (��± 10%)	one hundred and eighty

JPK-2/054 Vacuum Relay

[High voltage relay]JPK-6/055 Vacuum relay

2026-6-15 13:55:06

JPK-6/055 Vacuum Relay

Specification No. JPK-6/055
Contact Configuration Form			1Z
Test Voltage (DC or AC 50Hz Peak) kV			thirty
Rated Operating Voltage (Peak) kV		DC or AC 50Hz	twenty-five
		AC2.5MHz
		AC16MHz

Rated Carrying Voltage (RMS) A		DC or AC 50Hz	seventy-five
		AC2.5MHz
		AC16MHz

Contact Resistance (��)			zero point zero two five
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts		five
	Open Contacts to Ground between Contact Point and Shell		five
Maximum Action Time Operate Time Max. (ms)			one hundred
Maximum Release Time Max. (ms)			fifteen
Temperature Range of Temp. (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			thirty
Vibration level, Peak 5g��s( Hz)			10~55
Expected Mechanical Life (× 106)			one
Nominal Weight (g)			one thousand and five hundred

JPK-6/055 Vacuum Relay

[High voltage relay]JPK-6/056 Vacuum relay

2026-6-15 13:54:58

JPK-6/056 Vacuum Relay

[High voltage relay]JPK-2/057 Vacuum relay

2026-6-15 13:54:50

Specification number Specification No.			JPK-2/057
Contact combination form Contact Configuration			1Z
Test voltage (DC or 50Hz AC peak) Test Voltage ��DC or AC 50Hz Peak��kV			fifteen
Rated working voltage (peak value) Rated Operating Voltage(Peak) kV		DC or AC 50Hz	twelve
		AC2.5MHz
		AC16MHz
		AC32MHz
Rated carrying current (effective value) Continuous Current, Carry( RMS) A		DC or AC 50Hz	thirty
		AC2.5MHz
		AC16MHz
		AC32MHz
Contact Resistance (��)			zero point zero two five
Distributed capacitance Contact Capacity ��pf��	Between disconnected contacts Beteween Open Contacts		zero point five
	Between the contact point and the casing Open Contacts to Ground		one
Maximum Action Time Operate Time Max. (ms)			eighteen
Maximum Release Time Max. (ms)			nine
Temperature Range of Temp. (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			fifty
Vibration level, Peak 10g��s( Hz)			10~500
mechanical life Expected Mechanical Life(×106)			one
Nominal Weight (g)			eighty

Coil Parameter

Rated Voltage DC (V)	twenty-four
Maximum Pull in Voltage Max. DC (V)	sixteen
Minimum Release Voltage Dropout Voltage. Min. DC (V)	one point five
Coil Resistance (��± 10%)	one hundred and eighty

JPK-2/057 Vacuum Relay

[High voltage relay]JPK-10/058 Vacuum relay

2026-6-15 13:54:41

JPK-10/058 Vacuum Relay

Specification No			JPK-10/058
Contact Configuration Form			1Z
Test Voltage (DC or AC 50Hz Peak) kV			twenty
Rated Operating Voltage (Peak) kV		DC or AC 50Hz	fifteen
		AC2.5MHz
		AC16MHz
		AC32MHz
Rated Carrying Voltage (RMS) A		DC or AC 50Hz	fifty
		AC2.5MHz
		AC16MHz
		AC32MHz
Contact Resistance (��)			zero point zero two five
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts		three
	Open Contacts to Ground between Contact Point and Shell		three point five
Maximum Action Time Operate Time Max. (ms)			thirty
Maximum Release Time Max. (ms)			eight
Temperature Range of Temp. (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			fifty
Vibration level, Peak 10g��s( Hz)			10~500
Expected Mechanical Life (× 106)			one
Nominal Weight (g)			two hundred and ninety

Coil Parameter

Rated Voltage DC (V)	twenty-four
Maximum Pull in Voltage Max. DC (V)	sixteen
Release voltage Dropout Voltage. Min. DC (V)	three point five
Coil Resistance (��± 10%)	one hundred and ninety

JPK-10/058 Vacuum Relay

[High voltage relay]JPK-10/060 Vacuum relay

2026-6-15 13:54:33

JPK-10/060 Vacuum Relay

[High voltage relay]JPK-2/061 Vacuum relay

2026-6-15 13:54:25

Specification number Specification No.			JPK-2/061
Contact combination form Contact Configuration			1Z
Test voltage (DC or 50Hz AC peak) Test Voltage ��DC or AC 50Hz Peak��kV			fifteen
Rated working voltage (peak value) Rated Operating Voltage(Peak) kV		DC or AC 50Hz	twelve
		AC2.5MHz	ten
		AC16MHz	eight
		AC32MHz	five
Rated carrying current (effective value) Continuous Current, Carry( RMS) A		DC or AC 50Hz	fifty
		AC2.5MHz	thirty
		AC16MHz	seventeen point five
		AC32MHz	ten
Contact Resistance (��)			zero point zero one two
Distributed capacitance Contact Capacity ��pf��	Between disconnected contacts Beteween Open Contacts		zero point five
	Between the contact point and the casing Open Contacts to Ground		one
Maximum Action Time Operate Time Max. (ms)			eighteen
Maximum Release Time Max. (ms)			nine
Temperature Range of Temp. (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			fifty
Vibration level, Peak 10g��s( Hz)			10~500
mechanical life Expected Mechanical Life(×106)			one
Nominal Weight (g)			seventy-four

JPK-2/061 Vacuum Relay Coil Parameter Data

Rated Voltage DC (V)	twenty-four
Maximum Pull in Voltage Max. DC (V)	sixteen
Minimum Release Voltage Dropout Voltage. Min. DC (V)	one point five
Coil Resistance (��± 10%)	one hundred and eighty

JPK-2/061 Vacuum Relay

[High voltage relay]JPK-2/062 Vacuum relay

2026-6-15 13:54:17

JPK-2/062 Vacuum Relay

[High voltage relay]JPK-2/063 Vacuum relay

2026-6-15 13:54:08

JPK-2/063 Vacuum Relay

Specification No			JPK-2/063
Contact Configuration Form			1Z
Test Voltage (DC or AC 50Hz Peak) kV			fifteen
Rated Operating Voltage (Peak) kV		DC or AC 50Hz	twelve
		AC2.5MHz	ten
		AC16MHz	eight
		AC32MHz	five
Rated carrying current (effective value) Continuous Current, Carry (RMS) A		DC or AC 50Hz	fifty
		AC2.5MHz	thirty
		AC16MHz	seventeen point five
		AC32MHz	ten
Contact Resistance (��)			zero point zero one two
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts		zero point five
	Open Contacts to Ground between Contact Point and Shell		one
Maximum Action Time Operate Time Max. (ms)			eighteen
Maximum Release Time Max. (ms)			nine
Temperature Range of Temp. (��)			-55~+125
Expected Mechanical Life (× 106)			one
Nominal Weight (g)			eighty

Coil Parameter

Rated Voltage DC (V)	twelve	twenty-four
Maximum Pull in Voltage Max. DC (V)	eight	sixteen
Minimum Release Voltage Dropout Voltage. Min. DC (V)	one	one point five
Coil Resistance (��± 10%)	forty-eight	one hundred and eighty

JPK-2/063 Vacuum Relay

[High voltage relay]JPK-23/059 Vacuum relay

2026-6-15 13:54:00

Specification No			JPK-23/059
Contact Configuration Form			1Z
Test Voltage (DC or AC 50Hz Peak) kV			fifteen
Rated Operating Voltage (Peak) kV		DC or AC 50Hz	twelve
		AC2.5MHz
		AC16MHz
		AC32MHz
Rated carrying current (effective value) Continuous Current, Carry (RMS) A		DC or AC 50Hz	thirty
		AC2.5MHz
		AC16MHz
		AC32MHz
Contact Resistance (��)			zero point zero two five
Distributed capacitance Contact Capacity (pf)	Beteween Open Contacts between disconnected contacts		zero point five
	Open Contacts to Ground between Contact Point and Shell		one
Maximum Action Time Operate Time Max. (ms)			eighteen
Maximum Release Time Max. (ms)			nine
Temperature Range of Temp. (��)			-55~+125
Shock level, 11ms 1/2Sine (Peak g's)			fifty
Vibration level, Peak 10g��s( Hz)			10~500
Expected Mechanical Life (× 106)			one
Nominal Weight (g)			seventy-four

JPK-23/059 Vacuum Relay

[High voltage relay]JPK-13/064 Vacuum relay

2026-6-15 13:53:52

JPK-13/064 vacuum relay adopts vacuum medium and ceramic shell, which has the advantages of high voltage resistance, small size, fast breaking speed, stable and reliable performance. It is widely used in control circuits of radar, power supply, broadcasting, wireless communication and electronic equipment.

[High voltage relay]JPK-31/065 Vacuum relay

2026-6-15 13:53:44

JPK type relays use vacuum media and ceramic shells, which have the advantages of high voltage resistance, small size, fast breaking speed, stable and reliable performance. They are widely used in control circuits for radar, power supply, broadcasting, wireless communication, and electronic devices.

JPK type vacuum relay TYPE JPK VACUUM RELAYS

Specification number Specification No.			JPK-31/065
Contact combination form Contact Configuration			1Z
Test voltage (DC or 50Hz AC peak) Test Voltage ��DC or AC 50Hz Peak��kV			thirty
Rated working voltage (peak value) Rated Operating Voltage(Peak) kV		DC or AC 50Hz	twenty-five
		AC2.5MHz
		AC16MHz
		AC32MHz
Rated carrying current (effective value) Continuous Current, Carry( RMS)A		DC or AC 50Hz	twenty
		AC2.5MHz
		AC16MHz
		AC32MHz
Contact Resistance (��)			zero point zero five
Distributed capacitance Contact Capacity ��pf��	Beteween Open Contacts between disconnected contacts
	Open Contacts to Ground between Contact Point and Shell
Maximum Action Time Operate Time Max. (ms)			eighteen
Maximum Release Time Max. (ms)			nine
Temperature Range of Temp. (��)			-40~+85
Expected Mechanical Life (× 106)			one

Coil Parameter

Rated Voltage DC (V)	twenty-seven
Maximum Pull in Voltage Max. DC (V)	eighteen
Minimum Release Voltage Dropout Voltage. Min. DC (V)	one point five
Coil Resistance (��± 10%)	one hundred and twenty-five

JPK-31/065 Vacuum Relay

[High voltage relay]JT-6 type vacuum high voltage relay

2026-6-15 13:53:35

The JT-6 vacuum high-voltage relay can be used for breaking high-voltage circuits in satellite ground stations, radio communication equipment, radar, and high-voltage electrical devices

2. Technical characteristics of JT-6 vacuum high-voltage relay

contact form	A set of conversions
coil power supply	direct current
Coil power consumption	7W
Contact static current	4A or 10A
contact resistance	Normal value 0.4 ��, maximum value 0.5 ��
Rated voltage of contacts	Type A 50Hz, 30KV (DC or AC peak)
Rated voltage of contacts	B-type 50Hz, 50KV (DC or AC peak)
Dielectric Strength	Normal conditions: The contact between the contacts and the base plate is 50Hz DC or AC
Dielectric Strength	Type A: 35KV (peak) Type B: 55KV (peak)
vibration intensity	50Hz, Single amplitude 0.35mm. Vertical position for 30 minutes
impact strength	15g, 1000 times
lifespan	Resistance: 27VDC, 0.5A, 2X105 times
weight	Type A: 25g Type B: 65g

3. Usage conditions

ambient temperature	-40��+55��
atmospheric pressure	86��106Kpa
Job position	vertical

4. Coil specifications
at20��

Order model	contact form	rated voltage V	coil resistance ��±10%	pull-in voltage V	Release voltage V	pull-in voltage ms	Release voltage ms
JT-6	1Z-A	twenty-seven	one hundred and twenty	sixteen	two	forty	twenty
JT-6	1H-B	twenty-seven	one hundred and six	sixteen	two	forty	twenty

5. Dimensions and Wiring Diagram of JT-6 Vacuum High Voltage Relay

JT-6 type vacuum high voltage relay

[High voltage relay]JT-6A-1 type vacuum high voltage relay

2026-6-15 13:53:26

The JT-6A-1 vacuum high-voltage relay can be used for breaking high-voltage circuits in satellite ground stations, radio communication equipment, radar, and high-voltage electrical devices

Technical characteristics of JT-6A-1 vacuum high-voltage relay

contact form	A set of conversions
coil power supply	direct current
Coil power consumption	8W
Contact static current	10A
contact resistance	Normal value 0.3 ��, maximum value 0.5 ��
Rated voltage of contacts	50Hz, 30KV (DC or AC peak)
Dielectric Strength	Normal conditions: The contact between the contacts and the base plate is 50Hz DC or AC
Dielectric Strength	35KV (peak) duration 1M1N, coil and seat plate AC 50Hz, 500V (effective value)
vibration intensity	It should be able to withstand a single amplitude of 0.35mm and a frequency range of 10-55Hz
impact strength	15g, 1000 times
life	Resistance: 27VDC, 0.5A, 2X105 times (test load)
weight	��27g

Technical Requirements:

oneThe closing voltage value of the relay is less than or equal to 18VDC. 2. The contact resistance of the contacts shall not exceed 0.4;

3. The dielectric withstand voltage between contacts should be able to withstand 35KV, 50Hz (peak)

3. Usage conditions

ambient temperature	-40��+55��
atmospheric pressure	65��800mmHg
Job position	arbitrary

4. Coil specifications
at20��

Order model	contact form	rated voltage V	coil resistance ��±10%	pull-in voltage V	Release voltage V	pull-in voltage ms	Release voltage ms
JT-6A-1	1Z	twenty-seven	one hundred and twenty	sixteen	two	forty	twenty

5. Dimensions and Wiring Diagram of JT-6A-1 Vacuum High Voltage Relay

JT-6A-1 Vacuum High Voltage Relay

[High voltage relay]JT-5 type vacuum high voltage relay

2026-6-15 13:53:18

The JT-5 vacuum high-voltage relay can be used for breaking high-voltage circuits in satellite ground stations, radio communication equipment, radar, and high-voltage electrical devices

2. Technical characteristics: Contact form: one set of conversion or one set of normally open
Coil power supply DC
Coil power consumption 10W
Contact static current 5A
Normal value of contact resistance 0.2 ��, maximum value 0.5 ��
Contact rated voltage 50Hz, 20KV (DC or AC peak)
Normal conditions for dielectric withstand voltage: DC or AC 50Hz, 25KV (peak) between contacts and base plate
AC 50Hz, 500V (effective value) between the coil and the base plate
Vibration intensity 50Hz, single amplitude 0.35mm.30 minutes
Impact strength 150m/s ² 1000 times
Lifetime resistance: 27VDC, 0.5A, 105 cycles
Weight 170g

3. Usage conditions
Environmental temperature -40~+55 ��
Atmospheric pressure 86-106Kpa
Work position arbitrary

4. Coil specifications
at20�棺

Model number	contact form	rated voltage V	coil resistance ��±10%	pull-in voltage V	Release voltage V	pull-in voltage ms	Release voltage ms
JT-5	1Z	twenty-seven	eighty	sixteen	five	fifteen	fifteen
JT-5	1H	twenty-seven	eighty	sixteen	five	fifteen	fifteen

5. Dimensions and Wiring Diagram of JT-5 Vacuum High Voltage Relay

JT-5 type vacuum high voltage relay