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Siemens 5ST3801 Miniature Circuit Breaker Locking Device

Siemens 5ST3801 handle locking device for miniature circuit breakers.

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ManufacturerSiemens

Part number5ST3801

Series 5ST3

Compatibility 5SY, 5SP, 5TE8, 5SJ4

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Handle locking function Designed for miniature circuit breakers Compatible with multiple Siemens series Ensures secure handle positioning

Product description

The Siemens 5ST3801 is a handle locking device specifically designed for miniature circuit breakers. It is compatible with a range of Siemens series including 5SY (excluding 5SY17...), 5SP, 5TE8, and 5SJ4...-.HG.. This accessory ensures the secure locking of circuit breaker handles in a desired position, crucial for safety and operational integrity.

This locking device is essential in applications requiring a locked-off state for circuit breakers, such as during maintenance, lockout/tagout procedures, or in safety-critical environments. Industries that benefit from this product include manufacturing, power distribution, and any facility where electrical safety protocols are paramount.

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Technical specifications

Series	5ST3
Compatibility	5SY, 5SP, 5TE8, 5SJ4

Common applications

Electrical maintenance

Lockout/tagout procedures

Safety-critical environments

Industrial control panels

Compatible systems

Siemens 5SY circuit breakers (not 5SY17...) Siemens 5SP circuit breakers Siemens 5TE8 circuit breakers Siemens 5SJ4 circuit breakers

Also known as

Siemens 5ST3801 lock 5ST3801 locking mechanism Miniature circuit breaker lock Siemens

Replaces / compatible with

This is an accessory for Siemens miniature circuit breakers and does not directly replace another part number.

Technical note

Expert tip

Ensure the breaker model is listed in the compatible series before installation to guarantee proper fit and function.

What happens next?

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Frequently asked questions

What Siemens miniature circuit breaker series is the 5ST3801 compatible with?

The Siemens 5ST3801 handle locking device is compatible with the 5SY series (excluding 5SY17...), 5SP series, 5TE8 series, and 5SJ4...-.HG.. series of miniature circuit breakers.