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Siemens 3WL1225-4CB34-1AJ2-Z Fixed-Mounted Circuit Breaker

Siemens 3WL1225-4CB34-1AJ2-Z fixed-mounted 3-pole circuit breaker.

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ManufacturerSiemens

Part number3WL1225-4CB34-1AJ2-Z

Type Fixed-mounted circuit breaker

Poles 3

Size II

Rated Current (In) 2500A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Fixed-mounted design 3-pole configuration High interrupting capacity (100kA) Front connections with dual-hole terminals Suitable for 690V systems

Product description

The Siemens 3WL1225-4CB34-1AJ2-Z is a 3-pole, size II, fixed-mounted circuit breaker designed for robust electrical protection. It has a rated current (In) of 2500A and can operate at up to 690V AC (50/60Hz). This breaker boasts an impressive interrupting capacity (Icu) of 100kA at 500V and features front connections with dual-hole terminals at the top and bottom.

This circuit breaker is ideal for applications demanding high breaking capacity and reliable protection in industrial power distribution, machine tools, and automation systems. The fixed-mounted design ensures a permanent and secure installation.

As a veteran-owned distributor, Stanlo Automation specializes in providing high-quality surplus industrial automation parts like the Siemens 3WL1225-4CB34-1AJ2-Z. We offer competitive pricing and fast shipping to keep your operations running smoothly.

Technical specifications

Type	Fixed-mounted circuit breaker
Poles	3
Size	II
Rated Current (In)	2500A
Max Voltage	690V AC
Frequency	50/60Hz
Interrupting Capacity (Icu)	100kA at 500V
Connection	Front, top/bottom dual-hole

Common applications

Industrial power distribution

Machine tools

Automation systems

Motor control

Switchgear

Plant engineering

Compatible systems

Compatible with Siemens 3WL series fixed-mount installations and associated control units.

Also known as

Siemens 3WL fixed breaker 3WL1225 2500A breaker Siemens industrial circuit breaker

Replaces / compatible with

This circuit breaker is part of the Siemens 3WL series and is designed for fixed mounting applications. For direct replacement compatibility, refer to Siemens specifications.

Technical note

Expert tip

The dual-hole front connection terminals allow for multiple conductor sizes or busbar connections, providing installation versatility.

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Frequently asked questions

What type of connections does the Siemens 3WL1225-4CB34-1AJ2-Z feature?

The Siemens 3WL1225-4CB34-1AJ2-Z circuit breaker features front connections with dual-hole terminals located at both the top and bottom. This configuration offers flexibility for wiring in various installation scenarios.