Miniature Circuit Breaker MCB

Safety for all applications Miniature circuit breakers protect electrical systems against overload and short circuits.

5SL4 miniature circuit breakers

Safety for all applications

Miniature circuit breakers protect electrical systems against overload and short circuits. The new 5SL4 miniature circuit breakers are intended for use up to 10 kA. These devices have system features that are characteristic of all Siemens miniature circuit breakers

A comprehensive range

The 5SL4 miniature circuit breakers are suitable for the quick and easy mounting of additional components such as arc fault detection devices, auxiliary switches, fault signal contacts, shunt trips and undervoltage releases.

Easy and safe installation

The new 5SL4 miniature circuit breakers can be released quickly and easily from the bus-mounted assembly with the help of the latching slide – no other tools are needed.

Highlights

Maximum system safety and availability thanks to extensive line and system protection.
Uniform and comprehensive additional components as well as a wide range of accessories
Consistent bus-mounting concept throughout the Siemens miniature circuit breaker range
Replacement of a device from the busbar-mounted assembly requires no tools

Overview

The new 5SL4 miniature circuit breaker is intended for use up to 10 kA. These devices have system features that are characteristic of all Siemens miniature circuit breakers. They are suitable for the quick and easy mounting of additional components such as arc fault detection devices, auxiliary switches, fault signal contacts, shunt trips and undervoltage releases. To facilitate cable entry, the devices are equipped with rectangular terminals for the accommodation of pin busbars with cables up to 35 mm2. The rated current range is between 0.3 and 63 A. The 5SL4 miniature circuit breakers are available in characteristics B, C and D

Benefits

Effective touch protection when grasping and manually operating the latching slide with latch-down option.
Individual devices can be removed from the bus-mounted assembly without the use of tools.
Easy-to-mount busbar assembly
Consistent bus mounting concept throughout the Siemens miniature circuit breaker range.
The 5SL miniature circuit breakers are suitable for the quick and easy mounting of arc fault detection devices, auxiliary switches, fault signal contacts, shunt trips and undervoltage releases.

Technical Specifications

Siemens Products

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Miniature Circuit Breaker MCB