Vacuum Relays

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Vacuum Relays

Vacuum relay, with the contacts sealed in vacuum to obtain high dielectric withstand voltage at a small size, is one of the most common high voltage relay. Due to less gas molecule in the vacuum, vacuum relay also has the advantage of low contact resistance, especially suitable for multiplex switching system requiring large current, the typical application is frequency-modulated system in RF communication field, matching box and power supply for semiconductor device; it is also suitable for miniature high voltage system such as HV isolating, HV examination device.

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PicturesGL Type Rated
Operating
Voltage
(KV)
Hot
Switch
Rated
Open
Voltage
(kV
Peak)
DC
or
60Hz
Max
CONT.
Current
(Amps)
Contact
Form
Contact
Capacitance
(pF)
Max
Contact
Resist
(0hms)
Max
Open
Time
(ms)
Max
Rel.
Time
(ms)
Shock
11ms
1/2
Sine
(gpeak)
Mech.
Life
(times)
Weight
Nom
(g)
GLH1 3.5KV No 3.5 25 SPDT 2/2.5 0.01 6 6 50 2 Million 28
GLH5 3.5KV Make Only 3.5 8 SPDT -/- 0.5 6 6 50 1 Million 28
GLH3 3.5KV Yes 3.5 18 SPDT -/- 0.02 6 6 50 2 Million 28
GL41A 5KV Yes 5 30 SPST-NO 1.2/1.2 0.02 10 10 50 2 Million 28
GL41B 5KV Yes 5 30 SPST-NC 1.2/1.2 0.02 10 10 50 2 Million 28
GL41C 5KV Yes 5 30 SPDT 1.2/1.2 0.02 10 10 50 2 Million 28
GL45C 5KV Yes 5 20 SPDT 1.6/2 0.05 10 10 30 2 Million 21
GLH2 8KV No 8 25 SPDT -/- 0.01 6 6 50 2 Million 40
GLH4 8KV Yes 8 15 SPDT -/- 0.02 6 6 50 2 Million 40
GL47A 8KV Yes 8 12 SPST-NO 1.2/1.2 0.03 10 10 30 2 Million 26