Siemens 3VA6340-6HN31-0AA0 400 Amp 3-Pole Molded Case Circuit Breaker – Panel Mount – 240/480/600VAC Rated

The Siemens 3VA6340-6HN31-0AA0 is a high-performance molded case circuit breaker (MCCB) from the SENTRON 3VA6 series, designed for demanding commercial, industrial, and marine power distribution systems. Built on the robust 3VA63 frame, this 400A, 3-pole breaker delivers reliable overcurrent protection using an ETU350 electronic trip unit with adjustable long-time, short-time, and instantaneous (LSI) settings for advanced coordination and system selectivity. It is engineered for installation in Siemens P3, P4, and P5 panelboards, switchboards, and motor control centers. With a high interrupting capacity of up to 65kA at 480VAC, it ensures dependable fault protection in high-energy electrical environments.

Voltage and Rating

• Current Rating: 400 Amps
• Voltage Rating: 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC
• Phase: 3-Phase
• Frequency: 50/60 Hz
• AIC Rating:
  • 100kA @ 240VAC
  • 65kA @ 480Y/277VAC
  • 65kA @ 480VAC
  • 22kA @ 600Y/347VAC
  • 22kA @ 600VAC

Key Specifications

• Breaker Type: Molded Case Circuit Breaker (MCCB)
• Series: SENTRON 3VA6
• Family: 3VA
• Part Number: 3VA6340-6HN31-0AA0
• Frame Size: 3VA63 Frame
• Number of Poles: 3-Pole
• Mounting Style: Panel Mount
• Terminal Type: Lugs (not included where specified)
• Trip Technology: Electronic Trip Unit
• Trip Unit: ETU350
• Trip Function Code: LSI
• Trip Function: Long-Time, Short-Time, and Instantaneous Protection
• Trip Adjustability: Adjustable
• Protection Type: Electronic
• Connection Configuration: Lugs not included (as specified)

Technical Specifications

• Breaking Capacity Class: High interrupting capacity (Class H)
• Application: Industrial, Commercial, and Marine Power Distribution
• Compatibility: Siemens P3, P4, P5 Panelboards, Switchboards, Motor Control Centers
• Construction Features: HACR Rated, Current Limiting, Reverse Feed

Standards and Approvals

• Standards: IEC 60947-2, UL 489, CSA C22.2 No. 5
• Approvals: CE, CSA, cULus, IEC, UL, VDE

Product Data

• Manufacturer: Siemens
• Series: SENTRON 3VA6
• Part Number: 3VA6340-6HN31-0AA0

Applications

• Industrial Power Distribution Systems
• Commercial Electrical Installations
• Marine Electrical Systems
• Motor Control Centers
• Switchboards and Panelboards
• Feeder Circuit Protection
• Branch Circuit Protection
• High Fault Current Applications
• Critical Infrastructure Systems
• Selective Coordination Systems
• Current-Limiting Protection Networks

Returns are easy

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

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