BQCH2B070 - 70Amp Circuit Breaker

BQCH2B070 - 70 Amp Circuit Breaker

The BQCH2B070 is a 70-amp, 2-pole molded case circuit breaker designed for dependable overcurrent protection in commercial and industrial electrical distribution systems. Built on the BQCH frame platform, this bolt-on breaker is rated for 14kA interrupting capacity at 480VAC and is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications. Engineered for operation at 40°C, it is designed to provide consistent circuit protection under standard ambient conditions commonly found in panelboards and distribution equipment. For facility managers, contractors, and maintenance professionals maintaining existing electrical infrastructure, the BQCH2B070 offers proper form, fit, and function compatibility within systems designed for BQCH frame breakers.

This molded case circuit breaker is built to last and designed to help protect conductors and equipment from overloads and short circuits. Its bolt-on mounting style ensures a secure installation in compatible panelboards, helping maintain proper electrical contact and system stability.

Key Features and Benefits

• 70 Amp Continuous Rating: Provides reliable overcurrent protection for branch circuits requiring 70A capacity.
• 2 Pole Configuration: Designed for 2-phase or single-phase applications requiring simultaneous disconnection of both poles.
• 14kA Interrupting Capacity at 480VAC: Suitable for systems where available fault current does not exceed 14,000 amps.
• Bolt-On Mounting: Secures directly to the panelboard bus for stable and proper installation.
• BQCH Frame Type: Ensures compatibility with panelboards and distribution equipment designed for BQCH series breakers.
• HACR Rated: Approved for use with heating, air conditioning, and refrigeration equipment.
• 40°C Ambient Rating: Calibrated for standard operating conditions without derating adjustments in typical environments.
  

Technical Specifications

• Part Number: BQCH2B070
  
• Frame Type: BQCH
  
• Amperage: 70 Amps
  
• Poles: 2
  
• Voltage Rating: Up to 480VAC
  
• Interrupting Rating (A.I.C.): 14kA @ 480VAC
  
• Mounting Type: Bolt-On
  
• Ambient Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Product Height: 4.49 in.
  
• Ship Weight: 2.0 lbs
  
• Breaker Type: Molded Case Circuit Breaker
  

Material Compliance and Certifications

• Industry Standards: The BQCH2B070 molded case circuit breaker is manufactured to meet applicable industry standards for molded case circuit breakers and is HACR rated for HVAC-related applications.
• Installation Compliance: It is designed for installation in accordance with the National Electrical Code (NEC) and other applicable local electrical regulations. Always confirm system requirements and compliance specifications before installation.
  

Where It Works Best

• Commercial panelboards
• Industrial distribution systems
• HVAC branch circuits
• Facility maintenance replacements
• Electrical systems requiring a 70A, 2-pole bolt-on breaker
• Applications operating at up to 480VAC with fault currents up to 14kA