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Siemens 5SJ4204-7HG42 2-Pole Miniature Circuit Breaker - 4A

Siemens 5SJ4204-7HG42 2-pole, 4A miniature circuit breaker.

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ManufacturerSiemens

Part number5SJ4204-7HG42

Poles 2

Current Rating 4 A

Breaking Capacity 10 kA

Trip Curve C

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Veteran-owned

CAGE: 9NK75

2-pole protection 10kA interrupting capacity C-curve tripping characteristic UL 489 listed Compact design

Product description

The Siemens 5SJ4204-7HG42 is a 2-pole miniature circuit breaker designed for reliable overcurrent protection. It features a 10kA interrupting rating and a C-curve trip characteristic, suitable for general-purpose applications. This breaker is compliant with UL 489 standards for use in 480Y/277V systems.

This circuit breaker is ideal for protecting electrical circuits in commercial, industrial, and residential installations. It is commonly used in distribution boards, control panels, and machinery to safeguard against short circuits and overloads, ensuring operational safety and preventing equipment damage.

As a veteran-owned business, Stanlo Automation offers a reliable source for surplus industrial automation parts like the Siemens 5SJ4204-7HG42. We provide quality components with expert service, ensuring you get the parts you need to keep your operations running efficiently.

Technical specifications

Poles	2
Current Rating	4 A
Breaking Capacity	10 kA
Trip Curve	C
Voltage Rating	480Y/277V AC
Standard	UL 489

Common applications

Residential electrical panels

Commercial building distribution

Industrial control panels

Machinery protection

Load circuit protection

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SJ4 series breaker 5SJ4 2-pole circuit breaker Siemens miniature circuit breaker 4A

Replaces / compatible with

Compatible with Siemens 5SJ series accessories.

Technical note

Expert tip

Ensure proper wire termination within the designated torque specifications to maintain UL 489 compliance and operational safety.

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Frequently asked questions

What are the key specifications of the Siemens 5SJ4204-7HG42 circuit breaker?

The Siemens 5SJ4204-7HG42 is a 2-pole miniature circuit breaker with a 4A current rating and a 10kA breaking capacity. It features a C-curve trip characteristic and is UL 489 listed for 480Y/277V AC applications.