Miniature circuit breaker (MCB) EC000042

A miniature circuit breaker is an automatically operated electrical switch that protects an electrical circuit from overcurrent by tripping and disconnecting the power supply to the circuit.

Published Circuit breakers and fuses EG000020

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Changes since v8

Features 27

1
Built-in depthEF000218

A number in mm
2
Release characteristicEF000889

Choose one value

ABCCsDEFGKKMMASZOther
3
Number of poles (total)EF008618

A number
4
Number of protected polesEF005548

A number
5
Rated currentEF000227

A number in A
6
Rated voltageEF000228

A number in V
7
Rated insulation voltage UiEF001366

A number in V
8
Rated impulse withstand voltage UimpEF011980

A number in kV
9
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 VEF009556

A number in kA
10
Voltage typeEF000187

Choose one value

ACDCAC/DCOther
11
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 VEF009555

A number in kA
12
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 VEF009557

A number in kA
13
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 VEF009558

A number in kA
14
FrequencyEF000416

A range, from and to, in Hz
15
Power lossEF005387

A number in W
16
Current limiting classEF002568

A number
17
Flush-mounted installationEF007517

Yes or no

YesNo
18
Concurrently switching neutral conductorEF005997

Yes or no

YesNo
19
Overvoltage categoryEF002569

A number
20
Pollution degreeEF002570

A number
21
Additional equipment possibleEF008148

Yes or no

YesNo
22
Width in number of modular spacingsEF002950

A number
23
Degree of protection (IP)EF005474

Choose one value

IP00IP10IP12IP20IP21IP22IP23IP24IP2XIP30IP31IP32IP33IP34IP3XIP40IP41IP42IP43IP44IP45IP50IP52IP53IP54IP55IP56IP57IP58IP64IP65IP66IP67IP68IPX0IPX4IPX7Other
24
Ambient temperature during operatingEF007515

A range, from and to, in °C
25
Connectable conductor cross section multi-wiredEF007343

A range, from and to, in mm²
26
Connectable conductor cross section solid-coreEF007337

A range, from and to, in mm²
27
Explosion-proofEF004663

Yes or no

YesNo

Codes after each name are ETIM feature codes. Use them, not the names, in product data.