The AZ miniature circuit breaker is a protective device equipped with both a thermal and an electromagnetic release that is available in 1-, 2-, 3-, 4- and 3+N pole versions. The AZ is suitable for both AC and DC applications (60 V per pole) with rated currents from 20 A to 125 A. Depending on the device type, it has a switching capacity of up to 25 kA according to IEC/EN 60947-2.

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VERSIONS

1-, 2-, 3-, 4- and 3+N pole

IN ACCORDANCE WITH

IEC/EN 60947-2

RATED CURRENTS

up to 125 A

Core features

Premium miniature circuit breaker for industrial applications and high-end building installations
Current limiting class 3
Contact position indicator red – green
Rated currents up to 125 A
Tripping characteristics B, C and D (only B and C for the 4-pole version)
Rated switching capacity up to 25 kA according to IEC/EN 60947-2
The isolating characteristics meet the insulation coordination requirements (= distance between the contacts ≥ 4 mm)
Double-break contact
Compatible with standard busbars
Comprehensive range of accessories, which can also be retrofitted

Reliable cable protection

MCBs protect cables against damage due to overload and short circuits: In the event of dangerously high currents, the circuit breaker’s bimetallic thermal release will disconnect the power supply. In the event of a short circuit, the electromagnetic release will disconnect the power supply in a timely manner.

A design that is standard-compliant and quality-tested

Eaton’s AZ miniature circuit breakers are type-tested and approved according to IEC/EN 60947-2 (VDE 0660-101). This standard applies to circuit breakers in circuits with rated voltages up to 1,000 V AC, or up to 1,500 V DC.

The right MCB for every application

Circuit breakers with tripping characteristic B are the standard MCB type used for lighting and socket circuits. For circuits with high peak currents (e.g. motors and luminaire banks) devices with tripping characteristic C are used. Circuit breakers with tripping characteristic D are used for inductive and capacitive loads (solenoid valves, transformers etc.).

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