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Siemens 3WL1220-4CB36-4GA2-Z Withdrawable Circuit Breaker

Siemens 3WL1220-4CB36-4GA2-Z 2000A 3-pole withdrawable circuit breaker.

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ManufacturerSiemens

Part number3WL1220-4CB36-4GA2-Z

Type Withdrawable Circuit Breaker

Poles 3

Size II

Rated Current (In) 2000A

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Veteran-owned

CAGE: 9NK75

Withdrawable design 3-pole configuration 2000A current rating 690V AC voltage 100kA interrupting capacity Size II

Product description

The Siemens 3WL1220-4CB36-4GA2-Z is a 3-pole, size II withdrawable circuit breaker with a guide frame. It has a rated current (In) of 2000A and is designed for AC 50/60 Hz systems up to 690V. The interrupting capacity (Icu) is 100kA at 500V, and it features rear horizontal connections.

This heavy-duty circuit breaker is essential for protecting electrical distribution systems in industrial and commercial facilities. Its withdrawable design facilitates maintenance and replacement, ensuring minimal downtime. It is commonly used in switchgear for power distribution and motor protection applications.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3WL1220-4CB36-4GA2-Z. We are dedicated to providing reliable electrical components and expert service to meet your industrial needs.

Technical specifications

Type	Withdrawable Circuit Breaker
Poles	3
Size	II
Rated Current (In)	2000A
Rated Voltage (Ue)	690V AC
Frequency	50/60Hz
Interrupting Capacity (Icu)	100kA at 500V
Connection	Rear Horizontal
Frame	Guide Frame

Common applications

Industrial power distribution

Switchgear

Motor protection

Electrical infrastructure

Commercial buildings

Power systems

Compatible systems

Siemens switchgear and distribution panels Compatible with 3WL series accessories

Also known as

Siemens 3WL2 circuit breaker Siemens 2000A breaker Siemens withdrawable MCCB

Replaces / compatible with

This circuit breaker is designed for high-current power distribution applications and can replace existing 3WL series breakers or other compatible MCCBs.

Technical note

Expert tip

Proper installation and maintenance of the withdrawable mechanism are critical for safe and reliable operation and periodic testing.

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Frequently asked questions

What are the key electrical ratings for the Siemens 3WL1220-4CB36-4GA2-Z circuit breaker?

The Siemens 3WL1220-4CB36-4GA2-Z is a 3-pole, size II circuit breaker rated for 2000A at up to 690V AC. It has an interrupting capacity (Icu) of 100kA at 500V.