3VA4112-5ED34-0AA0 - 125Amp Circuit Breaker

3VA4112-5ED34-0AA0  -  125Amp Circuit Breaker

When you’re protecting critical electrical systems, you don’t gamble—you install proven performance. The Siemens 3VA4112-5ED34-0AA0 circuit breaker is engineered for dependable line protection in commercial and industrial environments where uptime and safety matter most. Built on the trusted 3VA4 UL frame (125A) platform, this 3-pole breaker delivers a 35 kA interrupting capacity at 480V, giving you the confidence to handle high fault conditions without compromise. Its integrated TM210 trip unit with fixed thermal-magnetic protection ensures consistent, predictable response—no guesswork, no unnecessary adjustments. Whether you're upgrading a panel or designing a new distribution system, this breaker provides the kind of reliability electricians and engineers count on day in and day out.

Key Features and Benefits

• 35 kA @ 480V interrupting rating – Suitable for higher fault levels
• 125A capacity – Covers a wide range of standard applications
• Thermal-magnetic trip unit – Simple, proven protection method
• Factory-set trip settings – No adjustments required
• 3-pole configuration – Designed for three-phase systems
• Compact size – Doesn’t eat up unnecessary panel space
• Consistent performance – Built for repeatable, predictable operation

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: 3VA4112-5ED34-0AA0
  
• Frame Size: 125A (3VA4 UL Frame)
  
• Poles: 3-Pole
  
• Rated Current (In): 125 Amps
  
• Interrupting Rating: 35 kA @ 480 VAC
  
• Trip Unit: TM210 Thermal-Magnetic (FTFM)
  
• Overload Protection (Ir): Fixed at 125A
  
• Short-Circuit Protection (Ii): 10 × In
  
• Connection Type: Terminal connection
  
• Dimensions (L x W x H): 160 x 135 x 88 mm
  
• Weight: 0.743 kg
  
• Country of Origin: Mexico
  

Material Compliance and Certifications

• RoHS Compliant: Meets current substance restriction requirements (since 01/2017)
• REACH Compliant: Includes required substance disclosures
• WEEE Directive: Eligible for proper recycling and take-back programs
• UL Frame Design: Built to meet North American performance expectations
• Export Classification: EAR99 (no export restrictions)

Where It Works Best

• You’ll typically see this breaker used in:
• Commercial buildings (office, retail, mixed-use)
• Industrial control panels and machinery
• Power distribution systems and feeder circuits
• OEM equipment requiring reliable UL-listed components
• Facilities where maintenance simplicity and reliability are priorities