Single-phase relay-GRT508HC-100A


-100A contact switching capability.
-Only impulse excitation needed, both for single and double coil.
-Low power consumption, small in size.
-Custom assemblies available with flexible wire and/or copper straps, and/or with integrated shunt.
-4KV dielectric strength between coil and contacts
-RoHS compliant
-Outline dimensions: (58 x 40 x 21)mm

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Single-phase relay-GRT508HC-100A Details

Contact Data

Contact Form 1B
Contact Material AgSnO₂
Contact Resistance Max. 1.0mΩ (1A 6VDC)
Rated Load(Resistive) 100A 250VAC/28VDC
Max. Switching Voltage 440VAC
Max. Switching Current 100A
Max. Switching Power 25000VA/2800W
Service Life Mechnical Endurance 1x105 OPS
Electrical Endurance 6x10OPS
Max. Short-circuit Current 1500A/10ms




Operate Time 25ms Max.
Release Time 25ms Max.
Insulation Resistance (500VDC) 500MΩ Min.
Dielectric Strength (50/60hz,1 min) Contact to Coil 4000VAC
Across Open Contacts 2000VAC
Contact to contact /
Surge Voltage (1 .2/50 μ s) Contact to Coil 20KVAC
Creepage Distance 8mm
Unit Weight About 95g


Environmental Data


Ambient Temperature -40℃一+70℃ Relative Humidity 5%-85% RH
Vibration 10-55Hz 1.5mm Shock 98m/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 16 8/8 2.25 4.5 ≤4.5 ≤4.5 9 ≥90
□9 36 18/18 ≤6.75 ≤6.75 13.5
□12 64 32/32 ≤9 ≤9 18
□24 256 128/128 ≤18 ≤18 36

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