Siemens 3VA5140-4ED21-0AA0 40 Amp 2-Pole Molded Case Circuit Breaker – Feed-Thru Mount – 480V AC

The Siemens 3VA5140-4ED21-0AA0 is a low-voltage molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection in commercial and industrial electrical distribution systems. Part of the Siemens 3VA51 frame series, this 2-pole, 40A breaker features a TM210 thermal-magnetic trip unit with fixed long-time (Ir) and instantaneous (Ii) protection settings for reliable circuit performance. Built with Standard (Class S) breaking capacity, it offers interrupting ratings of 25kA at 480VAC and 14kA at 600Y/347VAC. Supplied without lugs, the breaker's compact design makes it ideal for panelboard and switchboard applications requiring efficient and robust circuit protection.

Voltage and Rating

• Current Rating: 40 Amps
• Voltage Rating: 480 Volts AC
• Frequency: 50/60 Hz
• AIC Rating:
  • 100kA @ 480VAC
  • 25kA @ 480VAC (Class S)
  • 14kA @ 600Y/347VAC

Key Specifications

• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Series: 3VA51
• Family: 3VA
• Number of Poles: 2-Pole
• Trip Unit: TM210 Thermal-Magnetic Trip Unit
• Trip Function: Long-Time and Instantaneous Protection
• Trip Adjustability: Fixed Ir, Fixed Ii
• Breaking Capacity Class: Standard (Class S)
• Connection Type: Without Lugs
• Category: Molded Case Breakers / 2-Pole

Technical Specifications

• Protection Type: Thermal Magnetic
• Protection Features: Overload and Short-Circuit Protection
• Construction: Compact Molded Case Design
• Frame Size: 3VA51 Frame

Standards and Approvals

• Certification: CSA Approved

Product Data

• Manufacturer: Siemens
• Part Number: 3VA5140-4ED21-0AA0
• Family: 3VA

Dimensions and Weight

• Width: 2.0 in
• Height: 5.5 in
• Depth: 3.7 in
• Weight: 1.433 lbs

Applications

• Commercial Power Distribution Systems
• Industrial Electrical Installations
• Panelboards and Switchboards
• Branch Circuit Protection
• Feeder Circuit Protection
• Equipment and Machinery Protection
• Low-Voltage Distribution Networks
• General-Purpose Circuit Protection

Returns are easy

You may return items within 30 days of delivery for a refund.

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