Germany Siemens/Siemens 3RB2143-4EB0 Thermal Overload Relay 25 → 100 A, 45 kW

Create Date: 2024-8-30 12:03:23|Source: Siemens/Siemens

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Brand:
Siemens/Siemens

Origin:
Germany

Price:
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Model:
3RB2143-4EB0

Product Introduction
Siemens Thermal Overload Relay 3RB Series, 25 → 100 A, 45 kW, Contact current rating 315 A, Contact voltage rating 1 kV AC

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Product Description

3RB2143-4EB0 Introduction: Siemens Thermal Overload Relays 3RB Series, 25 → 100 A, 45 kW, Contact Rated Current 315 A, Contact Rated Voltage 1 kV AC

Germany Siemens/Siemens 3RB2143-4EB0 picture display

Model features introduced

3RB21 series

Internal Power Auxiliary Contact: 1 NO + 1 NC Manual/Auto Reset Switching Position Indicator, Internal Ground Fault, Electrical Remote Reset Test Function: Phase Fault/Imbalance Sensitivity, Selectable Break Levels 5, 10, 20 and 30 Operation
Electronic overload relays
The 3RB2 series of solid-state electronic overload relays, which can be connected directly to SiemensSIRIUS contactors, provide precise motor overload protection with enhanced single-phase sensitivity, application: protection of 3-phase AC motors in a 50/60Hz sinusoidal network. These relays are not suitable for protecting single-phase or DC loads, and are selected based on the full current of the motor and the size of the contactor frame, e.g. S00

Model parameters are introduced

attribute	numeric value
FLC motor ratings	25→100A
Contact current rating	315A
Pole configuration	3P
range	SIRIUSClassic
Contact voltage rating	1kV AC
Installation style	Direct contactors
series	3RB
Normal state configuration	Normally open/normally closed
Number of auxiliary contacts	2
Rated power	45kW
Reset method	Automatic, manual
Connector type	screw
length	106mm
width	70mm
depth	124mm
Operating temperature range	-25→+60°C
Maximum operating temperature	+60°C
Minimum operating temperature	-25°C

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