Siemens / ITE

Siemens 3VA5112-4ED31-0AA0 125A 3P Molded Case Circuit Breaker – Panel Mount – 480V AC

In stock
SKU: 3VA5112-4ED31-0AA0 GTIN/UPC: 804766301124
$845.10
CONDITION
Need Reconditioned? Get Price by Calling
Call Us
Secure transaction
FREE & fast shipping on orders over $149
1 year warranty
30 day returns

Ask an expert

Email 866-972-6370

The Siemens 3VA5112-4ED31-0AA0 is a 125A, 3-pole molded case circuit breaker from the SENTRON 3VA5 series, designed for commercial and industrial power distribution systems. It provides reliable long-time and instantaneous (LI) protection using a fixed thermal-magnetic trip unit, ensuring dependable coordination for feeder and branch circuit applications.

Built on the 3VA51 frame, this breaker integrates into Siemens 3VA panelboards and can also be adapted for Siemens P1 and P2 panelboards using appropriate mounting kits. It is a direct replacement option for legacy ED43B125 breakers and supports modern switchgear upgrades.

Electrical Ratings

  • Current Rating: 125 Amps
  • Voltage Ratings:
    • 240 VAC
    • 480 VAC
    • 600Y/347 VAC
    • 500 VDC
  • Number of Poles: 3-Pole
  • Phase: 3-Phase
  • Interrupting Capacity:
    • 65 kA @ 240 VAC
    • 25 kA @ 480 VAC
    • 14 kA @ 600Y/347 VAC
    • 50 kA @ 500 VDC

Trip & Protection Features

  • Trip Technology: Thermal-Magnetic
  • Trip Function Code: LI
  • Protection Functions:
    • Long-Time Protection
    • Instantaneous Protection
  • Trip Adjustability:
    • Fixed Thermal
    • Fixed Magnetic
  • HACR Rated: Yes
  • Trip Mechanism Features:
    • Trip-free mechanism
    • Quick-make / quick-break
    • Non-interchangeable trip
    • Common trip design
    • Reverse feed capable

Key Specifications

  • Brand: Siemens
  • Series: 3VA5
  • Part Number: 3VA5112-4ED31-0AA0
  • Category: Molded Case Circuit Breaker
  • Mounting Style: Panel Mount
  • Terminal Type: Lugs
  • Accessories: Nut keeper included

Compatibility

  • Siemens 3VA Panelboards
  • Siemens Switchboards
  • Siemens P1 Panelboards (with adapter kit)
  • Siemens P2 Panelboards (with adapter kit)
  • Replacement for: ED43B125

Standards & Approvals

  • UL 489
  • IEC 60947-2
  • CSA C22.2 No. 5
  • ABS, CE, CSA, DNV, EAC, Lloyd’s, UL, VDE approved
  • Temperature rating: -25°C to 70°C

Applications

  • Commercial and industrial distribution systems
  • Feeder and branch circuit protection
  • Panelboard and switchboard installations
  • Retrofit upgrades for legacy Siemens ED series
  • Modern switchgear and power distribution systems
  • Type Circuit Breakers
  • Vendor Siemens / ITE
  • Brand Siemens

Returns are easy

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

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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.