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Siemens 3WL5220-4CB36-1FM2-Z Withdrawable UL489 Circuit Breaker

Siemens 3WL5220-4CB36-1FM2-Z UL489 withdrawable circuit breaker

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ManufacturerSiemens

Part number3WL5220-4CB36-1FM2-Z

Poles 3

Approval UL489

BG II

In 2000A AC 50/60Hz

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CAGE: 9NK75

UL489 approved Withdrawable with guide frame Rear horizontal connection 2000A rating 100kA breaking capacity 3-pole configuration

Product description

The Siemens 3WL5220-4CB36-1FM2-Z is a UL489 approved, 3-pole, withdrawable circuit breaker designed with a guide frame for ease of installation and maintenance. It belongs to BG II and has a rated current (In) of 2000A (AC 50/60Hz). The breaker meets IEC standards up to 690V with a 100kA breaking capacity at 440V, and UL standards up to 600V with 100kA at 480V. This unit features rear horizontal connection.

This circuit breaker is ideal for applications requiring high current and fault protection in industrial settings, especially where quick maintenance or replacement is necessary. Its withdrawable design enhances operational efficiency in sectors like heavy industry, power generation, and large facility management.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3WL5220-4CB36-1FM2-Z. Rely on us for quality, certified surplus components to keep your operations running smoothly.

Technical specifications

Poles	3
Approval	UL489
BG	II
In	2000A AC 50/60Hz
IEC Voltage	to 690V
IEC Icu	100kA at 440V
UL Voltage	to 600V
UL Icu	100kA at 480V
Connection	Rear horizontal
Type	Withdrawable with guide frame

Common applications

Industrial power distribution

Heavy industry

Power generation

Large facility management

Critical infrastructure

Mining operations

Compatible systems

Siemens 3WL Series switchgear

Also known as

3WL5220 withdrawable breaker Siemens 2000A UL489 withdrawable 3WL BG II rear connect

Replaces / compatible with

This withdrawable circuit breaker is designed for easy replacement and maintenance within the Siemens 3WL series switchgear infrastructure.

Technical note

Expert tip

Ensure the guide frame is correctly engaged and the locking mechanism is secured when the breaker is in the connected position for operational safety.

What happens next?

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Frequently asked questions

What is the advantage of the withdrawable design for the Siemens 3WL5220-4CB36-1FM2-Z circuit breaker?

The withdrawable design, complete with a guide frame, allows for safe and convenient removal and insertion of the circuit breaker without disconnecting the main power cables, minimizing downtime for maintenance.