● Overload protection and phase-failure protection.
● Implementing short-circuit protection by means of a fuse or circuit breaker.
● Used for the protection of motors.
Techinical Specifications For Assembled Thermal Relay Of Type VC51K
Type: VTR51K
Standard: IEC 60947-4-1
Tripping class: 10 A
Number of connecting pin: 4
Rated operational voltage Ue (V): up to 690
Rated insulation voltage Ui (V): 690
Rated impulse withstand voltage Uimp (kV): 6
Rated current range In (A):
0.11-0.16, 0.16-0.23,
0.23-0.36, 0.36-0.54,
0.54-0.8, 0.8-1.2,
1.8-2.6, 2.6-3.7,
3.7-5.5, 5-8,
8-11.5, 10-14
Signalling: Trip indicator
Tightening torque (N·m): 0.8
Degree of protection: IP20
Ambient air temperature (ºC): -5 to +40, max. 95 % humidity
Storage temperature (ºC): -40 ~ +75
Maximum operating altitude (meters): 2000
Flame resistance: V1
Mounting: directly under the contactor
