SENTRON 3VA MCCB, Thermal Magnetic Trip Unit - 3VA1140-5GE42-0AA0

Product Description

Siemens SENTRON 3VA MCCB, Thermal Magnetic Trip Unit – 3VA1140-5GE42-0AA0

The Siemens 3VA1140-5GE42-0AA0 is a SENTRON 3VA1 series Molded Case Circuit Breaker (MCCB) designed for safe and reliable protection of low-voltage electrical distribution systems against overload and short-circuit faults. This 4-pole MCCB is equipped with a Thermal Magnetic Trip Unit (TM220 / ATFM type), offering adjustable overload protection and fixed instantaneous short-circuit protection for industrial and commercial power applications.

It is widely used in LT panels, MCC/PCC systems, feeder circuits, infrastructure projects, and industrial distribution networks, where high breaking capacity and dependable protection are essential.

Key Features:

• Siemens SENTRON 3VA1 series MCCB 

• Part Number: 3VA1140-5GE42-0AA0 

• 4-pole molded case circuit breaker 

• Thermal Magnetic Trip Unit (TM220 / ATFM) 

• Rated current: 40A 

• Frame size: IEC Frame 160 

• Adjustable overload protection: approx. 28–40A 

• Fixed short-circuit protection: approx. 10 × In 

• Breaking capacity: 55kA at 415V AC 

• Rated operational voltage up to 690V AC 

• Suitable for isolation and feeder protection 

• High electrical and mechanical endurance 

• Compact and rugged industrial design 

• Screw / lug terminal connection (variant dependent) 

• Complies with IEC 60947-2 standards