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Siemens 5SM3346-6KK12 4-Pole RCCB for Harsh Conditions

Siemens 5SM3346-6KK12 4-pole Type A RCCB with SIGRES for harsh conditions.

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ManufacturerSiemens

Part number5SM3346-6KK12

Poles 4

Type A

Rated current (In) 63 A

Rated residual current (IΔn) 30 mA

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4-pole design Type A tripping 63A current rating 30mA sensitivity 400V AC operational voltage SIGRES for harsh environments

Product description

The Siemens 5SM3346-6KK12 is a specialized 4-pole Residual Current Operated Circuit Breaker (RCCB) designed for enhanced performance in harsh ambient conditions, indicated by the SIGRES designation. It features a Type A tripping characteristic, a rated current of 63 A, a rated residual current of 30 mA, and an operational voltage of 400 V AC. This breaker provides crucial protection against electric shock and fire hazards caused by earth faults.

Ideal for environments with high humidity, dust, or corrosive elements, the SIGRES feature ensures reliable operation where standard devices might fail. Applications include industrial plants, chemical facilities, marine environments, and other challenging settings requiring robust electrical protection.

Stanlo Automation, a veteran-owned surplus distributor, is your go-to source for specialized industrial components like the Siemens 5SM3346-6KK12. We provide access to essential parts that keep your operations running smoothly, even in demanding environments. Rely on Stanlo for quality surplus solutions and expert support.

Technical specifications

Poles	4
Type	A
Rated current (In)	63 A
Rated residual current (IΔn)	30 mA
Rated operational voltage (Un AC)	400 V
Ambient condition suitability	SIGRES (harsh)
Frequency	50/60 Hz
Breaking capacity	10 kA
Mounting	DIN rail

Common applications

Industrial plants

Chemical processing

Marine applications

Harsh industrial environments

Mining operations

Corrosive atmospheres

Compatible systems

Standard DIN rail mounting Siemens switchgear and distribution panels

Also known as

Siemens 5SM3346-6KK12 RCCB Siemens SIGRES 63A 4P breaker Siemens Type A RCD harsh duty

Replaces / compatible with

Designed for specific harsh environmental applications, this RCCB replaces standard devices where enhanced durability and reliability are required. Compatible with Siemens installation systems.

Technical note

Expert tip

The SIGRES feature ensures enhanced protection against environmental factors, making it crucial for installations in demanding industrial or outdoor settings.

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Frequently asked questions

What does the SIGRES designation mean on the Siemens 5SM3346-6KK12 breaker?

The SIGRES designation indicates that this Siemens Residual Current Circuit Breaker is specifically designed and tested for use in harsh ambient conditions. This typically means it offers increased resistance to factors like humidity, dust, and chemical exposure, ensuring reliable operation in demanding industrial environments.