3WL1212-3EB66-4GA4

The 3WL1212 frame-type air circuit breaker, 3-pole version, has a rated current of 1250A and is equipped with an ETU45B electronic trip unit (LSIN protection). It conforms to the IEC 60947-2 standard and is suitable for industrial low-voltage power distribution systems.

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Siemens SENTRON 3WL1212-3EB66 Air Circuit Breaker (ACB) 1250A 3-pole

Product Positioning

The SENTRON 3WL1212-3EB66 is a 3-pole low-voltage frame-type air circuit breaker from Siemens, with a rated current of 1250A, suitable for circuit protection in industrial power distribution systems.

Core Product Advantages and Features

1250A rated current

It adopts the 3WL1212 frame, has a rated current of 1250A, conforms to the IEC 60947-2 low-voltage circuit breaker standard, and is suitable for medium and large-scale power distribution backbone applications.

3-pole design

The order code starts with 3, indicating a 3-pole circuit breaker structure suitable for three-phase three-wire low-voltage power distribution systems.

ETU45B Electronic Trip Unit

Equipped with an ETU45B trip unit, it features three protection modes: long delay, short delay, and instantaneous protection, as well as grounding/neutral protection.

Original factory authorized quality

Kenxin Motors is an authorized distributor of Siemens, providing genuine products and complete after-sales technical support.

project	Specification
Order Model	3WL1212-3EB66-4GA4
Rated current In	1250 A
Extreme number	3 poles
Tripping unit	ETU45B (LSIN protected)
Applicable Standards	IEC 60947-2

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