Siemens / ITE

Siemens 3VA5150-5EF31-0AA0 50 Amp 3-Pole Molded Case Circuit Breaker – Panel Mount – 240/480/600Y-347VAC & 500VDC

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SKU: 3VA5150-5EF31-0AA0 GTIN/UPC: 804766779305
$495.60
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The Siemens 3VA5150-5EF31-0AA0 is a premium molded case circuit breaker (MCCB) from the SENTRON 3VA5 series, designed to provide dependable protection in demanding commercial and industrial power distribution systems. Built on a 125A frame, this 3-pole, 50A breaker incorporates a TM240 ATAM thermal-magnetic trip unit with adjustable thermal and magnetic settings, allowing customization of protection parameters to match application requirements. Designed for panel mounting, it is compatible with Siemens P1, P2, and P3 panelboards as well as switchboards. This breaker serves as a modern replacement for the discontinued Siemens CED63B050 model and offers HACR-rated performance, reverse-feed capability, and reliable fault protection for critical electrical installations.

Voltage and Rating

  • Current Rating: 50 Amps
  • Amperage Range: 40–50 Amps
  • Voltage Rating: 240VAC, 480VAC, 600Y/347VAC, 500VDC
  • Phase: 3-Phase
  • Frequency: 50/60 Hz
  • AIC Rating:
    • 85kA @ 240VAC
    • 35kA @ 480VAC
    • 18kA @ 600Y/347VAC
    • 50kA @ 500VDC

Key Specifications

  • Breaker Type: Molded Case Circuit Breaker (MCCB)
  • Series: SENTRON 3VA5
  • Part Number: 3VA5150-5EF31-0AA0
  • Frame Size: 125A Frame
  • Number of Poles: 3-Pole
  • Mounting Style: Panel Mount
  • Terminal Type: Lugs
  • Trip Technology: Thermal Magnetic
  • Trip Unit: TM240 ATAM
  • Trip Function Code: LI
  • Trip Function: Long-Time and Instantaneous Protection
  • Trip Adjustability: Adjustable Thermal, Adjustable Magnetic
  • For Use With: Siemens P1, P2, P3 Panelboards and Switchboards

Technical Specifications

  • Construction Features: HACR Rated, Reverse Feed, Non-Interchangeable Trip
  • Temperature Rating: -25°C to 70°C
  • Accessories Included: None (No Lugs Included)
  • Available Options: Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, DIN Rail Adapter, Padlock Attachment

Standards and Approvals

  • Standards: IEC 60947-2, UL 489, HACR
  • Approvals: ABS, CE, CSA, DNV, EAC, IEC, KR, Lloyd's Register, RCM, UL, VDE

Product Data

  • Manufacturer: Siemens
  • Series: 3VA5
  • Part Number: 3VA5150-5EF31-0AA0

Applications

  • Industrial Power Distribution Systems
  • Commercial Electrical Installations
  • Panelboards and Switchboards
  • Feeder and Branch Circuit Protection
  • HVAC Equipment Protection (HACR Applications)
  • Motor and Equipment Protection
  • High Fault Current Applications
  • Manufacturing Facilities
  • Replacement of Siemens CED63B050 Circuit Breakers
  • Type Circuit Breakers
  • Vendor Siemens / ITE
  • Brand Siemens

Returns are easy

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.