3VA5270-6EC31-0AA0 - HFAS 70 Amp Circuit Breaker

3VA5270-6EC31-0AA0 - HFAS 70 Amp Circuit Breaker

When you’re dealing with electrical systems, you don’t want surprises—and that’s exactly where the Siemens 3VA5270-6EC31-0AA0 earns its place. This 70A, 3-pole circuit breaker is built for steady, dependable protection in real-world conditions. Whether it’s a busy commercial panel or a piece of industrial equipment running long hours, this breaker is designed to step in fast when something goes wrong and stay out of the way when everything’s running right. The thermal magnetic trip unit keeps things simple and predictable, with fixed overload protection and a quick-response short-circuit Trip—no unnecessary complexity, just solid protection you can count on.

Key Features and Benefits

• 70 Amp Rating: A practical choice for a wide range of commercial and industrial circuits
• 35kA @ 480V Interrupting Rating: Handles higher fault conditions with confidence
• Thermal Magnetic Trip (TM230): Proven, straightforward protection without overcomplication
• Fixed Overload Setting (Ir = 70A): No adjustments needed—set to match the breaker rating
• Instantaneous Trip at 10x In: Fast action when a short circuit hits
• 3-Pole Configuration: Ideal for three-phase systems
• H-Interrupting Class: Suitable for applications where higher fault capacity matters
  

Technical Specifications

• Part Number: 3VA5270-6EC31-0AA0
  
• Series: 3VA52
  
• Poles: 3
  
• Amperage: 70A
  
• Interrupting Capacity: 35kA @ 480V
  
• Frame Size: 250
  
• Trip Unit: TM230 (Thermal Magnetic)
  
• Overload Protection: Fixed at 70A
  
• Instantaneous Trip: 10 × In
  
• Dimensions:
  • Height: 9.65 in
  • Width: 6.3 in
  • Depth: 5.9 in

Material Compliance and Certifications

• UL Listed: UL Listed for use in the U.S. and Canada
• Standards Compliance: Built to meet established safety and performance standards for low-voltage power distribution
• Construction: Manufactured with materials suited for long-term electrical use in commercial and industrial environments
  

Where It Works Best

• You’ll typically find this breaker in: Commercial distribution panels Industrial control panels OEM machinery and equipment builds Facilities running 480V three-phase power