GRT508M-120A Hot Sale 120A High Power General Purpose Power Three-phase relay

Character:

-120A three sets of contacts switching simultaneously, auxiliary contact can be added.

-Only impulse excitation needed, both for single and double coil.

-Custom assemblies available with flexible wire and/or copper straps, and/or with integrated shunt.

-4KV dielectric strength between coil and contacts

-RoHS compliant

-IEC62055-31 UC compliant

-Outline dimensions: (110 x 52 x 24)mm

E-mail : [email protected]
              

GRT508M-120A Hot Sale 120A High Power General Purpose Power Three-phase relay Details

Contact Data

Contact Form 3B/3H(double contact)
Contact Material AgSnO₂
Contact Resistance Max. 1.0mΩ (1A 6VDC)
Rated Load(Resistive) 120A 250VAC
Max. Switching Voltage 380VAC
Max. Switching Current 120A
Max. Switching Power 25000VA
Service Life Mechanical Endurance 1x105 OPS
Electrical Endurance 1x104 OPS(100A 250VAC)
6x10OPS(120A 250VAC)
Max. Short-circuit Current 3000A/10ms
6000A/10ms(no explosion)


Characteristics

Operate Time 60ms Max.
Release Time 60ms Max.
Insulation Resistance (500VDC) 1000MΩ Min.
Dielectric Strength (50/60hz,1min) Contact to Coil 4000VAC
Across Open Contacts 2000VAC
Contact to contact 4000VAC
Surge Voltage (1.2/50μs) Contact to Coil 4KV
Creepage Distance 8mm
Unit Weight About 300g


Environmental Data

Ambient Temperature -40℃一+85℃ Relative Humidity 5%-85% RH
Vibration 10-55Hz 1.5mm Shock Functional 98m/s²
Survival 980m/s²

Coil Data (20℃)

Coil Voltage (VDC) Coil Resistance (Ω)±10% Coil Power (W) Operating Voltage (VDC) Releasing Voltage (VDC) Allowing Voltage (VDC) Pulse Duration (ms)
Single Double Single Double
□6 7.2 3.6/3.6 5.0 10.0 ≤4.2 ≤6.3 9 ≥120
□9 16.2 8.1/8.1 ≤6.3 ≤6.3 13.5
□12 28.8 14.4/14.4 ≤8.4 ≤8.4 18
□24 115.2 57.6/57.6 ≤16.8 ≤16.8 36
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