3RU1136 Thermal Relay

1.Specification

Siemens alike 3RU Thermal Relay (Thermal Overload Relay)

3RU series thermal relays are suitable for using in the power system with AC 50/60Hz, rated operaton voltage up to 690-1000V,rated operation current from 0.1A to 100A.Theyare used to protect AC 3 phase asynchronous motors against overload and phase failure.They also have the fuctions of temperature compensation and trip indication.The products can be fixed with 3RT series contactors,or be independently fixed.The items conform to IEC60947-4-1.

Features:
1) Circuit requirements:
a) Frequency: 50Hz / 60Hz
b) Rated insulation voltage: 660V
c) Rated current: 0.1 – 100A
2) To protect phase break when electric motors are overload
3) Various temperature compensating functions
4) Can be plugged in 3RT series AC contactors

2,Types and Setting current

3RU1136-1HBO          5.5-8
3RU1136-1JBO          7-10
3RU1136-1KBO          9-12
3RU1136-4ABO          11-16
3RU1136-4BBO          14-20
3RU1136-4DBO          18-25
3RU1136-4EBO          22-32
3RU1136-4FBO          28-40
3RU1136-4HBO          40-50

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