3VA4112-5ED14-0AA0 - 125 Amp Circuit Breaker

3VA4112-5ED14-0AA0  -  125 Amp Circuit Breaker

Protect your system with confidence using the Siemens 3VA4112-5ED14-0AA0, a factory-preset 125 A, single-pole circuit breaker from the reliable Siemens 3VA41 family. This unit integrates a TM210 thermal-magnetic trip mechanism — no adjustments required — so you can install it right away and know it's ready to safeguard your circuit. With a high interrupting rating of 35 kA at 277 VAC, it's built to manage fault currents safely even in challenging electrical environments.

Key Features and Benefits

• Plug-and-Play Setup: Since it's preset at the factory, there's no additional calibration required before installation.
• Strong Fault Protection: Rated for 35 kA (at 277 VAC), it can reliably interrupt high fault currents.
• Compact One-Pole Format: Saves space in panels, ideal when footprint matters.
• Proven Platform: Based on the 3VA41 frame, part of Siemens' well-established molded-case line.
• Load-Side Lugs Preinstalled: Simplifies wiring: connect and go.
• UL and CSA Certified: Conforms to key safety and electrical standards for commercial and industrial use.

Technical Specifications

• Manufacturer: Siemens
  
• Model / Part Number: 3VA4112-5ED14-0AA0
  
• Frame / Series: 3VA41 (thermal-magnetic)
  
• Trip Unit: TM210 (fixed Ir, fixed Ii)
  
• Number of Poles: 1 (single pole)
  
• Rated Current: 125 A
  
• Rated Voltage: 277 VAC
  
• Interrupting Rating: 35 kA @ 277 VAC
  
• Dimensions (approx.):
  • Height: ~5.1 in
• Weight: ~1.0 lb
  
• Lugs: Installed on the load side only
  

Material Compliance and Certifications

• UL 489 Listing: Ensures U.S. safety compliance for molded-case circuit breakers.
• CSA 22.2 No. 5-13 Compatibility: Suitable for Canadian usage.
• UL 486A / 486B Compliance: Covers wire connectors and lugs (copper or aluminum).
• RoHS / REACH: Compliant materials as part of Siemens' environmental policies.
• HACR Service Rated: Rated for heating, air conditioning, and refrigeration per UL.

Where It Works Best

• This 125 A, single-pole breaker shines in branch circuits, panelboards, or power distribution systems across commercial buildings, light industrial spaces, or facility maintenance setups. Because of its compact design, it's a wise choice in high-density panels or retrofit situations where space is constrained. If you're wiring circuits in offices, retail floors, schools, or backup power rooms, this breaker gives you dependable protection without a lot of fuss.