3VA5222-6EF31-0AA0 - HFAS 225 Amp Circuit Breaker

3VA5222-6EF31-0AA0 - HFAS 225 Amp Circuit Breaker

The Siemens 3VA5222-6EF31-0AA0 is a 225 amp, 3-pole circuit breaker built for straightforward protection in 480V systems. It’s part of the 3VA5 line, which is known for being dependable without adding unnecessary complexity. This one uses a thermal magnetic trip unit with fixed settings, so there’s nothing to dial in or adjust—install it, and it does exactly what it’s designed to do. It’s rated for 35kA at 480V, so it can handle higher fault conditions without putting your equipment at risk. The instantaneous trip is set at 10 times the rated current, and the overload protection is fixed at 225 amps. For a lot of applications, that kind of consistency is actually a benefit—especially when you don’t want settings being changed or second-guessed later on. Physically, it’s compact enough to fit into most standard panel setups without a fight, and it’s built for the kind of environments where equipment just needs to keep working.

Key Features and Benefits

• 225 amp rating for common commercial and industrial loads
• Thermal magnetic trip unit (TM240) keeps protection simple and proven
• 35kA interrupting rating at 480V for higher fault capacity
• Fixed trip settings—no adjustments needed during install
• Instantaneous trip at 10x rated current
• 3-pole configuration for three-phase systems
• H-interrupting class design for demanding applications

Technical Specifications

• Part Number: 3VA5222-6EF31-0AA0
  
• Series: 3VA52
  
• Amperage: 225A
  
• Poles: 3
  
• Interrupting Rating: 35kA @ 480V
  
• Trip Type: Thermal Magnetic (TM240, ATAM)
  
• Overload Protection (Ir): 225A (fixed)
  
• Instantaneous Trip (Ii): 10 × In
  
• Frame Size: 250
  
• Dimensions:
  • Height: 9.65 in
  • Width: 6.3 in
  • Depth: 5.9 in

Material Compliance and Certifications

• UL Listed for use in U.S. electrical systems
• Meets standard NEC application requirements
• Built for consistent performance in commercial and industrial settings

Where It Works Best

• You’ll typically see this used in commercial buildings, light industrial facilities, and distribution panels. It’s a good fit for feeder circuits and general power distribution—especially where fixed protection is preferred. If the goal is to install it and not worry about adjustments later, this type of breaker makes that easy.