Relay- R107


  • High current switching relay-upto 120/150 A ac.
  • Fully UC-3 compliant as per IEC-62055-31 annex C at 120A and 277 Vac. Can withstand prospective short circuit current test upto 7KA.
  • Contact form  1A / 1B
  • Very Low contact resistance
  • Custom assemblies available with braided copper wire and / or copper straps welded / brazed to brass terminals.
  • Pulse driving, single or double coil operation.
Contact Loads
Model R107 R107 R107
Rated Ioad (resistive) 100A 250V 120A 250V 150A 250V
Max switching current 100A 120A 150A
Max switching voltage 250VAC 250VAC 250VAC
Max switching power 25,000VA 30,000VA 37,500VA
Performance Parameter
Contact Material Silver alloy
Contact resistance 1mΩ Max.
Operating time 20ms Max.
Releasing time 20ms Max.
Insulation resistance 10000MΩ Min. (DC500A)
Dielectric strength Across open contacts 2000 Vac for 1min.
Coil to contact 4000 Vac for 1min.
Vibration Functional 10-55Hz, Double Amplitude 0.5mm
Destructive 10-55Hz, Double Amplitude 0.5mm
Shock resistance Functional 10g Min.
Destructive 100g Min.
Life / Endurance Mechanical 100,000 cycles
Electrical 10,000 cycles
Operating temp range -40˚C~ +70˚C -
Coil Parameter (20˚C)
Rated Voltage (VDC) Rated Current ±10%(mA) Resistance ±10%(Ω) Operating Voltage
Releasing Voltage
Pulse Width
Single Coil Double Coil Single Coil Double Coil
5 450 893 11.1 5.6 80% Rated Voltage 80% Rated Voltage 100 Min. Single/ Double 2.25W/ 4.5W
6 375 750 16 8
9 250 500 36 18
12 188 375 64 32
24 94 188 256 128
48 47 94 1024 512