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Siemens 3WL1220-3BB32-1AN2 Fixed-Mounted Air Circuit Breaker

Siemens 3WL1220-3BB32-1AN2 Fixed-Mounted 3-Pole Air Circuit Breaker

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ManufacturerSiemens

Part number3WL1220-3BB32-1AN2

Poles 3

Size II

Voltage 690V AC

Current 2000A

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Veteran-owned

CAGE: 9NK75

Fixed-mounted design 3-pole configuration 2000A continuous current 80kA breaking capacity ETU 15 LI overcurrent release Adjustable protection settings

Product description

The Siemens 3WL1220-3BB32-1AN2 is a 3-pole, fixed-mounted air circuit breaker from the SENTRON 3WL series. It has a rated current of 2000A at up to 690V AC (50/60Hz) and a breaking capacity (Icu) of 80kA at 500V. This unit features a rear horizontal connection and is equipped with an ETU 15 LI overcurrent release with adjustable protection settings (0.5-1xIn).

This circuit breaker is designed for industrial applications requiring reliable protection for large electrical systems and equipment. Its features, including the ETU 15 LI release, make it suitable for applications where precise overcurrent protection is essential, such as in manufacturing facilities, power distribution, and heavy machinery.

Stanlo Automation, your veteran-owned surplus parts distributor, offers the Siemens 3WL1220-3BB32-1AN2. We provide high-quality automation components at competitive prices, ensuring your operations are supported with reliable parts and efficient service. Trust us for your industrial automation needs.

Technical specifications

Poles	3
Size	II
Voltage	690V AC
Current	2000A
Breaking Capacity	80kA at 500V
Mounting	Fixed-mounted
Connection	Rear horizontal
Release	ETU 15 LI

Common applications

Industrial power distribution

Large machinery protection

Manufacturing facilities

System protection

Electrical installations

Compatible systems

Industrial control panels Power distribution systems Switchgear assemblies

Also known as

Siemens SENTRON 3WL1220-3BB32-1AN2 3WL12203BB321AN2 Siemens 2000A Circuit Breaker

Replaces / compatible with

This circuit breaker is part of the Siemens 3WL series. For replacement, ensure the part number and technical specifications match your existing unit or system requirements.

Technical note

Expert tip

The ETU 15 LI release allows for customizable protection, ensuring optimal safety and operational continuity for sensitive industrial equipment.

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Frequently asked questions

What type of overcurrent release does the Siemens 3WL1220-3BB32-1AN2 circuit breaker have?

The Siemens 3WL1220-3BB32-1AN2 circuit breaker is equipped with an ETU 15 LI overcurrent release. This unit offers adjustable protection settings for overload (0.5-1xIn), short-time delay, and instantaneous trip functions.