3VA4140-5ED54-0AA0 - 40Amp Circuit Breaker

3VA4140-5ED54-0AA0  -  40 Amp Circuit Breaker

The Siemens 3VA4140-5ED54-0AA0 molded case circuit breaker is designed to provide dependable circuit protection in low-voltage electrical distribution systems. Built on the Siemens 3VA41 frame, this breaker combines precise thermal-magnetic protection with a compact footprint, making it a practical solution for modern commercial and industrial power systems. Rated at 40 amps with an interrupting capacity of 35kA at 277 VAC, it is engineered to quickly interrupt overloads and short circuits before they can damage equipment or disrupt operations. The integrated TM210 trip unit features fixed long-time (Ir) and instantaneous (Ii) settings, delivering consistent protection without the need for field adjustments. This configuration helps simplify installation while maintaining reliable performance in demanding electrical environments. Designed as a 1-pole breaker housed within a 2-pole body, the unit also includes load-side lugs pre-installed, streamlining wiring during panel or switchgear integration. With Siemens’ reputation for engineering quality and adherence to industry standards, the 3VA4140-5ED54-0AA0 provides electricians, contractors, and facility managers with a dependable protection component for critical circuits.

Key Features and Benefits

• 40 Amp Current Rating – Ideal for protecting branch circuits and distribution systems requiring reliable 40A protection.
• High Interrupting Capacity – Rated 35kAIC at 277 VAC, helping safeguard equipment against high fault currents.
• Thermal-Magnetic Protection – Combines thermal overload protection with instantaneous magnetic response to short circuits.
• TM210 Trip Unit – Fixed Ir and Ii settings provide consistent, predictable operation without field adjustments.
• Compact 3VA41 Frame – Space-efficient design suited for modern electrical panels and distribution equipment.
• 1-Pole Configuration in a 2-Pole Body – Allows compatibility with certain panel layouts while maintaining single-pole protection.
• Load-Side Lugs Installed – Reduces installation time and simplifies wiring during system integration.
• Engineered by Siemens – Designed for dependable performance in demanding electrical applications.

Technical Specifications

• Manufacturer: Siemens
  
• Part Number: 3VA4140-5ED54-0AA0
  
• Product Type: Molded Case Circuit Breaker
  
• Series / Frame: Siemens 3VA, 3VA41 Frame
  
• Trip Unit: TM210 Thermal-Magnetic
  
• Poles: 1 Pole (in 2-Pole Body)
  
• Rated Current: 40 Amps
  
• Voltage Rating: 277 VAC
  
• Interrupting Capacity: 35kAIC @ 277V
  
• Breaking Capacity Class: MEAB (Class H)
  
• Lug Configuration: Lugs Installed on Load Side Only
  
• Approximate Shipping Height: 5.1 in
  
• Approximate Shipping Weight: 2.0 lbs
  

Material Compliance and Certifications

• UL Listed molded case circuit breaker for compliance with recognized safety standards.
• Designed to meet applicable low-voltage power distribution requirements used in commercial and industrial installations.
• Manufactured using materials selected to meet industry expectations for electrical safety, durability, and operational reliability.

Where It Works Best

• The Siemens 3VA4140-5ED54-0AA0 circuit breaker is well suited for commercial facilities, industrial equipment protection, electrical distribution panels, and OEM machinery applications where dependable 40-amp protection is required. Its compact design and strong interrupting rating make it a good fit for control panels, switchboards, and facility power systems that demand consistent performance and fast fault interruption. Electricians and maintenance teams often rely on this breaker when maintaining or upgrading low-voltage distribution networks operating at up to 277 VAC, especially in environments where safety, reliability, and predictable circuit protection are essential.