Circuit breakers

The FAZ-NA-DC miniature circuit breaker is a protective device that is equipped with both a thermal and an electromagnetic release. The FAZ-NA-DC for DC applications is available in 1-pole and 2-pole versions with rated currents from 2 A to 40 A. The switching capacity is 10 kA according to IEC/EN 60947-2, UL 489 and CSA C22.2 No. 5. The DC rated voltage for all types is 125 V per pole according to UL 489/CSA C22.2 No. 5, and 220 V per pole for the 2 A version / 250 V per pole for the 3 A to 40 A versions according to IEC/EN 60947-2.

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TRIPPING CHARACTERISTIC

VERSIONS: 1- and 2-pole

1- and 2-pole

RATED CURRENTS

up to 40 A

Core features

Premium miniature circuit breaker for DC applications
Current limiting class 3
Contact position indicator red – green
Rated currents up to 40 A
Tripping characteristic C
Rated switching capacity 10 kA according to IEC/EN 60947-2, UL 489 and CSA C22.2 No. 5
Guide for secure terminal connection
3-position DIN-rail clip to simplify removal from the busbar system
Comprehensive range of accessories, which can also be retrofitted
Up to 250 V DC per pole according to IEC/EN 60947-2
125 V DC per pole according to UL 489/CSA C22.2 No. 5

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

IEC/EN 60947-2 (VDE 0660-101) applies to circuit breakers in circuits with rated voltages up to 1,000 V AC, or up to 1,500 V DC. UL 489 and CSA-C22.2 No. 5 prescribe much larger clearances and creepage distances than the IEC standard.

The right MCB for every situation

Circuit breakers with tripping characteristics B and C are the most common types. For circuits with high inrush and peak currents (for example motors and luminaire banks) devices with tripping characteristic C are used.

Maximum safety in railway applications

The xEffect range of protective switchgear also ensures highest standards of safety in railway applications. Thanks to compliance with specific standards such as IEC 61373 (Rolling stock equipment – Shock and vibration) and EN 45545-2 (fire protection of railway vehicles), the devices provide maximum safety and performance in rolling stock applications. In addition to standard switchgear, we also offer a wide range of MCBs and RCDs for the connection of ring cable lugs in railway applications.

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FAZ-NA-DC xEffect Miniature Circuit Breaker