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Siemens 5SM3344-6KK12 4-Pole Type A SIGRES RCCB

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ManufacturerSiemens

Part number5SM3344-6KK12

Poles 4

Type A

In 40 A

Un AC 400 V

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4-pole configuration Type A residual current protection SIGRES for harsh ambient conditions 40A rated current 30mA sensitivity 400V AC operational voltage

Product description

The Siemens 5SM3344-6KK12 is a specialized 4-pole Residual Current Operated Circuit Breaker (RCCB) from the SENTRON series, featuring SIGRES technology for harsh ambient conditions. It offers Type A protection with a rated current (In) of 40 A, a sensitivity of 30 mA, and a rated operational voltage (Un AC) of 400 V. The SIGRES designation indicates enhanced reliability in challenging environments.

This RCCB is designed for demanding industrial applications where standard devices might fail due to dust, humidity, or corrosive elements. Its robust construction ensures continued safe operation and protection against earth faults in harsh settings.

Stanlo Automation, your trusted veteran-owned surplus parts distributor, offers the Siemens 5SM3344-6KK12. Secure reliable components for your toughest industrial challenges with our efficient service and genuine parts.

Technical specifications

Poles	4
Type	A
In	40 A
Un AC	400 V
Residual Current	30 mA
Series	5SM3
Special Feature	SIGRES (Harsh Conditions)

Common applications

Industrial Environments

Harsh Ambient Conditions

Chemical Plants

Manufacturing Facilities

Outdoor Installations

Compatible systems

Industrial systems requiring robust protection in harsh environments

Also known as

Siemens 5SM3344-6KK12 SIGRES RCCB Siemens 40A harsh condition breaker

Replaces / compatible with

The 5SM3344-6KK12 is a specialized version of the 5SM3344-6, engineered for enhanced reliability in harsh environments.

Technical note

Expert tip

The SIGRES variant provides increased immunity to external influences, ensuring reliable tripping even in environments where standard RCCBs might be compromised.

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Frequently asked questions

What makes the Siemens 5SM3344-6KK12 suitable for harsh ambient conditions?

The 'SIGRES' designation signifies that the Siemens 5SM3344-6KK12 is built with special materials and design considerations to withstand challenging environmental factors like dust, moisture, and corrosive atmospheres, ensuring consistent protection.