Siemens 3VA4150-5ED14-0AA0 50A 1P Molded Case Circuit Breaker – Bolt-On – 120/277V AC

The Siemens 3VA4150-5ED14-0AA0 is a 50A, 1-pole molded case circuit breaker (MCCB) from the SENTRON 3VA4 series, designed for commercial and industrial power distribution applications. It features a fixed thermal-magnetic trip unit with LI (Long-Time and Instantaneous) protection, providing dependable overcurrent protection and reliable circuit interruption.

Engineered for installation in Siemens P1, P2, and P3 panelboards and switchboards, this bolt-on breaker serves as a direct replacement for the legacy HED41B050 breaker. With Class M breaking capacity and current-limiting performance, it is well suited for demanding electrical distribution systems.

Electrical Ratings

• Current Rating: 50 Amps
• Voltage Ratings:
  • 120 VAC
  • 277 VAC
  • 125 VDC
  • 347 VAC
• Number of Poles: 1-Pole
• Phase: 1-Phase
• Interrupting Capacity:
  • 85 kA @ 120 VAC
  • 35 kA @ 277 VAC
  • 85 kA @ 125 VDC
  • 18 kA @ 347 VAC

Trip & Protection Features

• Trip Technology: Thermal-Magnetic
• Trip Function Code: LI
• Protection Functions:
  • Long-Time Protection
  • Instantaneous Protection
• Trip Adjustability:
  • Fixed Thermal
  • Fixed Magnetic
• Current Limiting: Yes
• HACR Rated: Yes
• Reverse Feed Capable: Yes

Key Specifications

• Brand: Siemens
• Series: 3VA4
• Mounting Style: Bolt-On
• Terminal Type: Lugs
• Accessories Included: Load Side Lugs
• Breaking Capacity Class: M
• Replacement For: HED41B050 (HED4 Frame)

Compatibility

• Siemens P1 Panelboards
• Siemens P2 Panelboards
• Siemens P3 Panelboards
• Siemens Switchboards

Wiring Details

• Wire Gauge Range: 8 AWG – 3/0 AWG (Cu/Al)
• Minimum Wire Size: 8 AWG
• Maximum Wire Size: 3/0 AWG

Available Accessories

• Shunt Trip
• Auxiliary Switch
• Undervoltage Release
• Alarm Switch
• Rotary Handle

Standards & Approvals

• UL 489
• IEC 60947-2
• CSA C22.2 No. 5
• CE Approved
• CSA Approved
• NOM Approved
• UL Listed
• Temperature Rating: -25°C to 70°C

Construction Features

• HACR Rated
• Current Limiting Design
• Reverse Feed Capability

Applications

• Commercial power distribution
• Industrial electrical systems
• Branch circuit protection
• Panelboard and switchboard installations
• Retrofit replacement for Siemens HED41B050 breakers

Returns are easy

You may return items within 30 days of delivery for a refund.

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