Siemens 3VA4112-6ED34-0AA0 3VA4 Molded Case Circuit Breaker – 125A – 3-Pole – Thermal Magnetic – Bolt-On – 600VAC / 250VDC

The Siemens 3VA4112-6ED34-0AA0 is a SENTRON 3VA4 series molded case circuit breaker engineered for commercial and industrial power distribution applications. Featuring a fixed thermal-magnetic trip unit with Long-Time and Instantaneous (LI) protection, this breaker provides reliable overload and short-circuit protection. Designed for bolt-on installation, it integrates seamlessly into Siemens P1, P2, and P3 panelboards and switchboards and serves as a direct replacement for legacy HEAB series breakers.

Electrical Ratings

• Current Rating: 125 Amps
• Voltage Rating:
  • 240 VAC
  • 480Y/277 VAC
  • 480 VAC
  • 600Y/347 VAC
  • 250 VDC
• Number of Poles: 3-Pole
• Phase: 3-Phase

Interrupting Capacity (AIC Rating)

• 100 kA @ 240 VAC
• 65 kA @ 480Y/277 VAC
• 65 kA @ 480 VAC
• 25 kA @ 600Y/347 VAC
• 100 kA @ 250 VDC

Key Specifications

• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: Siemens SENTRON 3VA4
• Part Number: 3VA4112-6ED34-0AA0
• Mounting Style: Bolt-On
• Terminal Type: Lugs
• Trip Technology: Thermal Magnetic
• Trip Function Code: LI
• Trip Function: Long-Time, Instantaneous
• Trip Adjustability: Fixed Thermal, Fixed Magnetic

Technical Specifications

• Wire Size Range: 8 AWG – 3/0 AWG (Copper/Aluminum)
• Maximum Wire Size: 3/0 AWG
• Minimum Wire Size: 8 AWG
• Reverse Feed Capable
• Current Limiting Design
• Non-Interchangeable Trip Unit
• Operating Temperature: -25°C to 70°C

Compatible Equipment

• Siemens P1 Panelboards
• Siemens P2 Panelboards
• Siemens P3 Panelboards
• Siemens Switchboards

Available Options

• Shunt Trip
• Auxiliary Switch
• Undervoltage Release
• Alarm Switch
• Padlock Attachment
• Rotary Handle

Accessories

• Load Side Lugs

Standards & Approvals

• UL 489
• IEC 60947-2
• CSA C22.2 No. 5
• HACR Rated
• UL Approved
• CSA Approved
• CE Marked
• EAC Certified
• NOM Approved

Features

• Fixed thermal-magnetic trip unit for dependable overload and short-circuit protection
• Long-Time and Instantaneous (LI) protection functions
• Current-limiting design reduces fault energy and equipment damage
• HACR rated for HVAC and refrigeration applications
• Reverse-feed capable for installation flexibility
• Non-interchangeable trip design enhances system reliability
• Bolt-on mounting for Siemens panelboards and switchboards
• Accepts copper or aluminum conductors from 8 AWG to 3/0 AWG
• Includes load-side lugs for convenient installation
• Direct replacement for legacy Siemens HEAB series breakers
• Designed for commercial, industrial, and OEM power distribution applications
• High interrupting capacity for demanding electrical systems and fault conditions

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.