3VA5322-6EF31-0AA0 - 225A Class HJAS 3-Pole Circuit Breaker

3VA5322-6EF31-0AA0 - 225A Class HJAS 3-Pole Circuit Breaker

When you’re responsible for keeping power systems running safely and efficiently, you don’t leave protection to chance. The Siemens 3VA5322-6EF31-0AA0 circuit breaker is built for exactly that kind of reliability—delivering precise, consistent protection in demanding commercial and industrial environments. This 225A, 3-pole thermal magnetic circuit breaker from the trusted Siemens 3VA5 series is designed to respond fast when it matters most. Whether you're dealing with overload conditions or sudden short circuits, its TM240 trip unit provides accurate tripping performance that helps prevent costly equipment damage and unexpected downtime. With an adjustable overload range from 180A to 225A and a high H-interrupting capacity, it gives you the flexibility and confidence to match your system’s exact requirements. Its compact 400A frame size makes installation easier in tight panel spaces, while still delivering the level of protection you’d expect from a high-capacity breaker. Built for real-world conditions, this breaker is a dependable choice for professionals who need performance they can count on—day in and day out.

Key Features and Benefits

• 225 Amp Circuit Breaker: Ideal for protecting mid-to-large electrical loads
• 3-Pole Design: Built for three-phase power distribution systems
• Thermal Magnetic Protection (TM240): Fast response to both overloads and short circuits
• Adjustable Overload Protection (180A–225A): Dial in protection to fit your system
• Instantaneous Trip Range (5–10x In): Helps limit damage during fault conditions
• H-Interrupting Rating: Handles high fault currents with confidence
• Compact 400A Frame: Saves space without sacrificing performance
• Built for Demanding Environments: Reliable operation in commercial and industrial settings

Technical Specifications

• Manufacturer: Siemens
• Part Number: 3VA5322-6EF31-0AA0
• Series: 3VA5
• Frame Size: 400A
• Amperage: 225A
• Poles: 3
• Trip Unit: TM240 Thermal Magnetic
• Overload Range (Ir): 180A – 225A
• Short-Circuit Protection (Ii): 5–10x rated current
• Interrupting Class: H (HJAS)
• Dimensions:
  • Height: 9.8 in
  • Width: 6.3 in
  • Depth: 5.9 in
• Lugs: Not included

Material Compliance and Certifications

UL Standards: This Siemens 3VA5 circuit breaker is manufactured to meet UL standards and is designed for safe use in North American electrical systems. Its construction reflects a focus on safety, consistency, and long-term durability—key factors for any electrical protection device.

Where It Works Best

• You’ll typically find this breaker in applications where performance and reliability aren’t optional:
• Commercial buildings and office facilities
• Industrial plants and manufacturing operations
• Electrical distribution panels and switchboards
• Systems requiring high interrupting capacity
• Projects where adjustable protection settings are critical