3VA4150-4ED14-0AA0 - 50 Amp Circuit Breaker

3VA4150-4ED14-0AA0  -  50 Amp Circuit Breaker

Introducing the Siemens 3VA4150-4ED14-0AA0, a precision-engineered single-pole 50-amp thermal-magnetic circuit breaker built to keep your electrical system safe and reliable. Light in weight yet sturdy in performance, it offers dependable protection against overloads and short circuits—without taking up too much space. Thanks to its fast-acting TM210 trip unit and a 3VA41 frame design rated for Class S breaking capacity (25 kA at 277 V), this breaker is ideal for residential, commercial, or light industrial circuits that demand dependable fault interruption with minimal fuss.

Key Features and Benefits

• True 50 A protection: Perfectly sized for general lighting, server, HVAC, or branch circuits.
• Fast-response TM210 trip unit: Quickly reacts to faults, minimizing damage risk.
• High interrupting capacity (25 kA at 277 V): Handles substantial fault currents without failure.
• Slim, lightweight: Height ~5.1 in and weight ~1 lb makes it easier to fit in compact panels.
• Single-pole design: Ideal when only one hot leg needs protection.
• UL listed, Siemens quality: Built under rigorous standards to deliver dependable long-term performance.

Technical Specifications

• Amperage: 50 A
  
• Poles: 1 (single pole)
  
• Interrupting Rating (A.I.C.): 25,000 A @ 277 VAC
  
• Trip Unit: TM210 (thermal-magnetic, fixed Ir / fixed Ii)
  
• Frame: 3VA41
  
• Dimensions:
  • Height: ~5.1 in
  • Width: Standard width
  • Depth: ~3.6 in
• Weight: ~1 lb
  
• Lug Configuration: Preinstalled on the load side only
  
• Breaking Class: Class S (SEAB) interrupting class
  

Material Compliance and Certifications

• UL-listed: Meets UL 489 safety standard for molded case circuit breakers.
• Meets Class S (SEAB) interrupting class: Rated for safe fault clearing at specified levels.
• Durable construction: Constructed with durable molded-case materials to ensure insulation, safety, and longevity.

Where It Works Best

• This breaker is designed to fit most standard electrical panels and is particularly suitable for use in residential, office, and light industrial environments. Use it to protect lighting circuits, HVAC units, refrigeration systems, small motors, or general-purpose branch circuits where fast fault interruption is critical. Its compact footprint makes it an excellent choice when space is tight, but protection can’t be compromised.