Siemens Overload Relay 3RU2126-4NC0 Working frequency 50-60Hz

Introduction: Siemens Overload Relay 3RU2126-4NC0, Overload Relay 23...28 A Thermal For motor protection Size S0, Class 10 Contactor attachment Main circuit: Spring-loaded terminal Auxiliary circuit: Spring-loaded terminal Manual/automatic reset

Siemens Overload Relay 3RU2126-4NC0 Working frequency 50-60Hz

　　Product parameters

Comprehensive technical data

Overload relay structure size S0

The structural dimensions of the contactor can be combined with S0 depending on the company's special situation

Power dissipated [W] at current measurement value at AC 9.6 W in thermal operation

3.2 W per electrode

Insulation voltage Pollution degree 3 at AC measured value 690 V

Resistance to impulse voltage measured at 6 kV

The maximum permissible voltage for safety isolation

In a grid where the star point is not grounded, 440 V between the auxiliary circuit and the auxiliary circuit

In a grid with star grounding, 440 V between the auxiliary circuit and the auxiliary circuit

In a grid where the star is not grounded, 440 V between the main and auxiliary circuits

In a grid with star grounding, 440 V between the main and auxiliary circuits

Impact resistance according to IEC 60068-2-27 8g / 11 ms

Ignition protection form complies with ATEX Product Directive 2014/34/EU Ex II (2) GD

Proof of eligibility Compliance with the ATEX Products Directive 2014/34/EU DMT 98 ATEX G 001

Reference markings in accordance with IEC 81346-2:2009 F

RoHS Directive (date) 10/01/2009

Environmental conditions

Installation height Height above water level Maximum 2 000 m

Ambient temperature

-40 ... +70 °C during operation

Storage period -55 ... +80 °C

-55 ... +80 °C during transport

Temperature compensation -40 ... +60 °C

Relative air humidity During operation 10 ... 95 %

Main circuit

Number of poles is used for main circuit 3

Configurable current action value of 23 ... 28 A

Operating voltage

Measured value 690 V

At AC-3e, the measured value is 690 V maximum

Operating Frequency Measured value 50 ... 60 Hz

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Siemens Overload Relay 3RU2126-4NC0 Working frequency 50-60Hz

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