SENTRON 3VA MCCB, Thermal Magnetic Trip Unit - 3VA1140-5EE32-0AA0

Product Description

Siemens SENTRON 3VA MCCB, Thermal Magnetic Trip Unit – 3VA1140-5EE32-0AA0

The Siemens 3VA1140-5EE32-0AA0 is a SENTRON 3VA1 series Molded Case Circuit Breaker (MCCB) designed for reliable protection of low-voltage electrical distribution systems against overload and short-circuit faults. This 3-pole MCCB is equipped with a Thermal Magnetic Trip Unit (TM220 / ATFM type), offering adjustable overload protection and fixed instantaneous short-circuit protection, making it suitable for industrial and commercial feeder applications.

It is widely used in LT panels, MCC/PCC systems, industrial distribution boards, HVAC systems, and infrastructure networks, where high fault interruption capacity and stable performance are required.

Key Features:

• Siemens SENTRON 3VA1 series MCCB 

• Part Number: 3VA1140-5EE32-0AA0 

• 3-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 

• High electrical and mechanical endurance 

• Compact and robust industrial MCCB design 

• Suitable for feeder and distribution protection 

• Screw / lug terminal connection (variant dependent) 

• Complies with IEC 60947-2 standards