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Siemens 3WL9314-5AA00-0AA2 Electronic Trip Unit ETU45B

Siemens 3WL9314-5AA00-0AA2 ETU45B Electronic Trip Unit for 3WL circuit breakers.

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ManufacturerSiemens

Part number3WL9314-5AA00-0AA2

Type ETU45B

Release 2

Protection LSIN adjustable

Metering Without

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Veteran-owned

CAGE: 9NK75

Adjustable LSIN protection ETU release 2 For 3WL circuit breakers Cubicle bus connection No metering or display

Product description

The Siemens 3WL9314-5AA00-0AA2 is an advanced Electronic Trip Unit (ETU) for Siemens 3WL series circuit breakers, specifically the ETU45B variant. It offers LSIN (Long-time, Short-time, Instantaneous, Neutral) protection, providing comprehensive overcurrent and short-circuit safeguarding. This unit is designed without metering functions, display, or ground fault modules, focusing purely on robust protection with cubicle bus connection capabilities.

This trip unit is ideal for applications requiring flexible and reliable protection of electrical circuits, particularly where a neutral conductor also needs monitoring and protection against faults. Its integrated cubicle bus connection simplifies installation and wiring within switchgear cabinets, common in industrial power distribution and critical infrastructure.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3WL9314-5AA00-0AA2 to meet your industrial automation needs. We specialize in providing high-quality, surplus components to ensure your systems are protected and operational, delivering value and reliability to your business.

Technical specifications

Type	ETU45B
Release	2
Protection	LSIN adjustable
Metering	Without
Display	Without
Ground Fault Module	Without
Bus Connection	Cubicle

Common applications

Industrial Power Distribution

Electrical Protection

Switchgear Assemblies

Facility Management

Compatible systems

Siemens 3WL Circuit Breakers

Also known as

Siemens ETU45B Trip Unit 3WL Circuit Breaker ETU Siemens 3WL LSIN Protection

Replaces / compatible with

This electronic trip unit is designed for Siemens 3WL circuit breakers. It integrates LSIN protection capabilities into the breaker system.

Technical note

Expert tip

The cubicle bus connection is specifically designed for integration within Siemens 3WL switchgear cubicles, requiring appropriate mating connectors.

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Frequently asked questions

Does the Siemens 3WL9314-5AA00-0AA2 include a ground fault module?

No, the Siemens 3WL9314-5AA00-0AA2 ETU45B is supplied without a ground fault module. It focuses on LSIN (Long-time, Short-time, Instantaneous, Neutral) protection and cubicle bus connection.