BQCH1B050 - 50Amp Circuit Breaker

BQCH1B050 - 50 Amp Circuit Breaker

The BQCH1B050 is a 50-amp, 1-pole molded case circuit breaker designed for dependable overcurrent protection in commercial and industrial electrical distribution systems. Built on the BQCH frame, this bolt-on circuit breaker is rated for 14kA interrupting capacity at 277VAC, making it suitable for protecting branch circuits in lighting panels, distribution boards, and similar applications. Engineered for operation at 40°C and HACR rated, the BQCH1B050 is well-suited for heating, air conditioning, and refrigeration equipment circuits. Designed to match the form, fit, and function of compatible BQCH panelboard systems, this breaker provides a straightforward replacement option for maintaining existing electrical infrastructure. Like all molded case circuit breakers in its class, it is built to last and manufactured for consistent operation under rated conditions.

Key Features and Benefits

• 50 Amp, Single Pole Protection: Designed to safeguard individual branch circuits from overloads and short circuits.
• 14kA Interrupting Rating at 277VAC: Suitable for commercial applications requiring dependable fault interruption capacity.
• Bolt-On Mounting Design: Provides secure installation within compatible panelboards, helping maintain proper electrical contact.
• BQCH Frame Type: Ensures correct form, fit, and function within systems designed for BQCH series breakers.
• HACR Rated: Approved for use with heating, air conditioning, and refrigeration equipment circuits.
• 40°C Rated Operation: Built for performance in standard commercial ambient temperature conditions.
• Molded Case Construction: Designed for durability and long-term service in demanding electrical environments.

Technical Specifications

• Part Number: BQCH1B050
  
• Amperage: 50 Amps
  
• Poles: 1
  
• Voltage Rating: 277VAC
  
• Interrupting Capacity (A.I.C.): 14kA @ 277VAC
  
• Frame Type: BQCH
  
• Mounting Type: Bolt-On
  
• Operating Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Ship Weight: 1.0 lb
  
• Height: 4.49 inches
  
• Breaker Type: Molded Case Circuit Breaker
  

Material Compliance and Certifications

• Industry Standards: The BQCH1B050 molded case circuit breaker is manufactured to meet applicable industry standards for thermal-magnetic overcurrent protection and is HACR rated for use in HVAC-related applications.
• UL and NEC Compliance: Circuit breakers of this type are typically produced in accordance with UL standards for molded case circuit breakers and are designed to meet NEC requirements when installed in properly rated equipment. Always confirm compatibility with the specific panelboard and system requirements prior to installation.

Where It Works Best

• Commercial lighting panelboards
• Office buildings and retail spaces
• HVAC branch circuits
• Institutional and municipal facilities
• Industrial control panels requiring 277VAC single-pole protection