PTR61K, from 0.11 to 14 A

●   Protecting the loads from overload and phase failure

●   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 PC61K

●   Type: PTR61K

●   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

Selection and ordering data

Thermal overload relays PTR61K, 0.11 to 14 A

Tripping curve of thermal relay PTR61K

Average operating time related to multiples of the current setting (Class 10 A)

Outline and installation dimensions