Siemens 3VA5140-6ED21-0AA0 40 Amp 2-Pole Molded Case Circuit Breaker – Panel Mount – 240/480/600Y-347VAC & 250VDC

The Siemens 3VA5140-6ED21-0AA0 is a SENTRON series molded case circuit breaker (MCCB) engineered for reliable protection in commercial and industrial electrical systems. This 2-pole, 40A breaker delivers dependable long-time and instantaneous (LI) protection using a thermal-magnetic trip unit with fixed settings. Designed for panel mounting, it is compatible with Siemens P1, P2, and P3 panelboards and switchboards, and serves as a direct replacement for legacy HED42B040 breakers. With high interrupting capability and HACR-rated performance, it ensures safe and stable operation in demanding power distribution environments.

Voltage and Rating

• Current Rating: 40 Amps
• Voltage Rating: 240VAC, 480VAC, 600Y/347VAC, 250VDC
• Phase: Single Phase
• Frequency: 50/60 Hz
• AIC Rating:
  • 150kA @ 240VAC
  • 65kA @ 480VAC
  • 25kA @ 600Y/347VAC
  • 100kA @ 250VDC

Key Specifications

• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Series: 3VA5 (SENTRON Family)
• Number of Poles: 2-Pole
• Mounting Style: Panel Mount
• Terminal Type: Lugs
• Trip Technology: Thermal Magnetic
• Trip Function Code: LI
• Trip Function: Long-Time and Instantaneous Protection
• Trip Adjustability: Fixed Thermal, Fixed Magnetic
• For Use With: Siemens P1, P2, P3 Panelboards and Switchboards

Technical Specifications

• Protection Features: Overload and Short-Circuit Protection
• Construction Features: HACR Rated, Reverse Feed, HID Rated
• Temperature Rating: -25°C to 70°C
• Accessories Included: None (Standard 0AA0 configuration)
• Available Options: Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release, Motor Operator, Padlock Attachment, Handle Tie, DIN Rail Adapter, Lug Kits

Standards and Approvals

• Standards: HACR, IEC 60947-2, UL 489
• Approvals: CE, CSA, EAC, UL, VDE

Product Data

• Manufacturer: Siemens
• Series: 3VA5
• Part Number: 3VA5140-6ED21-0AA0

Applications

• Commercial Power Distribution Systems
• Industrial Electrical Installations
• Panelboards and Switchboards
• Feeder and Branch Circuit Protection
• Motor and Equipment Protection
• High Fault Current Environments
• HVAC and Building Electrical Systems

Returns are easy

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

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