Siemens 3VA5330-5EC31-0AA0 400 Amp 3-Pole Molded Case Circuit Breaker – Panel Mount – 240/480/600VAC & DC Rated

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SKU: 3VA5330-5EC31-0AA0 GTIN/UPC: 804766793363
Regular price $2,155.19
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The Siemens 3VA5330-5EC31-0AA0 is a heavy-duty molded case circuit breaker (MCCB) from the SENTRON 3VA5 series, designed for commercial and industrial power distribution systems. Built on the robust 3VA53 frame, this 400A, 3-pole breaker provides reliable long-time and instantaneous (LI) protection using a thermal-magnetic trip unit with fixed thermal and adjustable magnetic settings. With high interrupting performance up to 100kA at 480VAC, it delivers strong fault protection for high-energy electrical systems. The breaker is designed for Siemens 3VA panelboards and switchboards and is suitable for demanding distribution and feeder applications.

Voltage and Rating

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

Key Specifications

  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Series: SENTRON 3VA5
  • Family: 3VA
  • Part Number: 3VA5330-5EC31-0AA0
  • Frame Size: 3VA53 Frame
  • Number of Poles: 3-Pole
  • Mounting Style: Panel Mount
  • Terminal Type: Lugs (not included where specified)
  • Trip Technology: Thermal Magnetic
  • Trip Unit: TM230
  • Trip Function Code: LI
  • Trip Function: Long-Time and Instantaneous Protection
  • Trip Adjustability: Fixed Thermal, Adjustable Magnetic
  • Protection Type: Thermal Magnetic

Technical Specifications

  • Breaking Capacity Class: Medium / high fault performance (Class M)
  • Application: Industrial and Commercial Power Distribution
  • Compatibility: Siemens 3VA Panelboards, Switchboards
  • Construction Features: HACR Rated, Current Limiting, Reverse Feed

Standards and Approvals

  • Standards: IEC 60947-2, UL 489
  • Approvals: CSA

Product Data

  • Manufacturer: Siemens
  • Series: SENTRON 3VA5
  • Part Number: 3VA5330-5EC31-0AA0

Applications

  • Industrial Power Distribution Systems
  • Commercial Electrical Installations
  • Panelboards and Switchboards
  • Motor Control Centers
  • Feeder Circuit Protection
  • Branch Circuit Protection
  • Heavy Electrical Load Distribution
  • Critical Infrastructure Systems
  • High Fault Current Protection Networks



  • Type Circuit Breakers
  • Vendor Siemens / ITE
  • Brand Siemens

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

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.