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Siemens 5SM1 312-0 Residual Current Circuit Breaker — 2-Pole, 25A, 30mA

Name: Siemens 5SM1 312-0
Brand: Siemens
SKU: 5SM1 312-0
Availability: InStock

Siemens 5SM1 312-0 2-Pole Residual Current Circuit Breaker

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ManufacturerSiemens

Part number5SM1 312-0

Type Residual Current Operated Circuit Breaker (RCCB)

Poles 2

Tripping Characteristic Type AC

Rated Current (In) 25A

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Veteran-owned

CAGE: 9NK75

Residual Current Protection 2-Pole Design Type AC Sensitivity 30mA Sensitivity Prevents Electric Shock DIN Rail Mountable

Product description

The Siemens 5SM1 312-0 is a 2-pole residual current operated circuit breaker (RCCB) designed to provide protection against electric shock caused by indirect contact with live parts. It features a Type AC residual current characteristic, a rated current of 25A, and a residual operating current of 30mA. This unit operates at 230V AC and offers essential safety for electrical installations.

This RCCB is vital for safety in residential, commercial, and light industrial applications. It is particularly used in areas where there's an increased risk of electric shock, such as bathrooms, kitchens, and outdoor installations, protecting against earth faults and fire hazards.

Stanlo Automation, a veteran-owned surplus distributor, ensures you get reliable Siemens components like the 5SM1 312-0. We are dedicated to providing quality parts and fast service to minimize downtime in your operations.

Technical specifications

Type	Residual Current Operated Circuit Breaker (RCCB)
Poles	2
Tripping Characteristic	Type AC
Rated Current (In)	25A
Residual Current (IΔn)	30mA
Rated Voltage (Un)	230V AC
Manufacturer	Siemens

Common applications

Residential Electrical Systems

Commercial Buildings

Bathrooms and Kitchens

Outdoor Installations

Protection Against Earth Faults

Fire Hazard Prevention

Compatible systems

Standard DIN rail mounting

Also known as

Siemens 5SM1 312-0 RCCB 2-Pole 25A 30mA RCD Siemens Earth Leakage Circuit Breaker

Replaces / compatible with

Replaces older Siemens 2-pole RCCBs with similar Type AC characteristics. Ensure compatibility with existing wiring and system requirements.

Technical note

Expert tip

Type AC RCCBs are sensitive to sinusoidal AC currents. For DC residual currents or pulsating DC components, a Type A or Type B RCCB would be required.

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Frequently asked questions

What types of electrical faults does the Siemens 5SM1 312-0 protect against?

The Siemens 5SM1 312-0 protects against electric shock resulting from indirect contact with live parts. It is designed to detect sinusoidal alternating current (AC) leakage currents to earth, which commonly occur during earth faults, and quickly interrupt the circuit to prevent injury or fire.