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Siemens 5SM3648-0 4-Pole Type AC Residual Current Circuit Breaker

Siemens 5SM3648-0 4-pole Type AC Residual Current Circuit Breaker.

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ManufacturerSiemens

Part number5SM6094-1

Poles 4

Type AC

Rated current (In) 100 A

Rated residual current (IΔn) 300 mA

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4-pole design Type AC tripping 100A current rating 300mA sensitivity 400V AC operational voltage DIN rail mountable

Product description

The Siemens 5SM3648-0 is a 4-pole Residual Current Operated Circuit Breaker (RCCB) that utilizes a Type AC tripping characteristic. It is engineered for general protection in electrical installations, offering a rated current of 100 A, a rated residual current of 300 mA, and an operational voltage of 400 V AC. This RCCB is designed to detect and interrupt sinusoidal AC earth leakage currents, safeguarding against electric shock and fire risks.

This 4-pole breaker is suitable for applications requiring protection for higher current loads or in three-phase systems where protection against AC residual currents is needed. Common uses include industrial facilities, commercial buildings, and distribution panels for machinery.

As a veteran-owned surplus parts distributor, Stanlo Automation provides a dependable source for industrial automation components. The Siemens 5SM3648-0 is one of the many quality surplus parts we offer to keep your operations running efficiently and safely. Trust Stanlo Automation for your essential component needs.

Technical specifications

Poles	4
Type	AC
Rated current (In)	100 A
Rated residual current (IΔn)	300 mA
Rated operational voltage (Un AC)	400 V
Frequency	50/60 Hz
Breaking capacity (Icn)	10 kA
Mounting	DIN rail

Common applications

Industrial power distribution

Commercial electrical systems

Motor protection circuits

Three-phase circuits

Equipment safety

Earth fault protection

Compatible systems

Standard DIN rail mounting AC power distribution systems

Also known as

Siemens 5SM3648-0 RCCB Siemens 100A 4P Type AC breaker Siemens 400V 300mA RCD

Replaces / compatible with

This 4-pole Type AC RCCB is suitable for general protection against AC earth leakage. It can replace older Siemens or compatible 4-pole RCCBs with similar voltage and current ratings.

Technical note

Expert tip

For installations with electronic loads that may produce DC components in the residual current, a Type A or Type F RCCB should be considered instead of this Type AC device.

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Frequently asked questions

What is the difference between Type AC and Type A residual current devices?

Type AC residual current devices, such as the Siemens 5SM3648-0, are designed to detect sinusoidal AC residual currents. Type A devices offer broader protection by also detecting pulsating DC residual currents. For equipment that can generate pulsating DC fault currents, Type A or other advanced types are recommended over Type AC.