QCB70 - 70 Amp Circuit Breaker

QCB70 - 70 Amp Circuit Breaker

The QCB70 is a 2-pole, 70-amp bolt-on circuit breaker designed for use in your compatible electrical distribution systems operating at 120/240VAC. With a 10kA interrupting rating (A.I.C.), this breaker is intended to provide overcurrent and short-circuit protection for branch circuits while maintaining proper fit and function in equipment designed for Type QCB circuit breakers. Its bolt-on mounting design helps you to create a secure electrical connection, making it a practical choice for commercial, industrial, and institutional electrical systems where this breaker type is specified. Built to last and manufactured for dependable operation, the QCB70 is well suited as a form, fit, and functional replacement in existing installations, helping you maintain the integrity of legacy electrical equipment without unnecessary modifications.

Key Features and Benefits

• 70 Amp Current Rating: 70 Amp current rating for protecting higher-capacity branch circuits.
• 2-Pole Configuration: 2-pole configuration for use on 120/240VAC electrical systems.
• Bolt-On Mounting Design: Bolt-on mounting design provides a secure mechanical and electrical connection.
• 10kA A.I.C. Rating: 10kA A.I.C. rating at 120/240VAC for interrupting available fault currents within its rated capacity.
• Type QCB Replacement: Designed for form, fit, and functional replacement in equipment requiring a Type QCB circuit breaker.
• Built to Last: Built to last for dependable service in properly maintained electrical systems.
• Commercial and Industrial Applications: Suitable for a variety of commercial, industrial, and institutional applications where compatible equipment is installed.
  

Technical Specifications

• Part Number: QCB70
  
• Type: QCB
  
• Product Type: Circuit Breaker
  
• Mounting Style: Bolt-On
  
• Poles: 2
  
• Amperes: 70A
  
• Voltage Rating: 120/240VAC
  
• Interrupting Rating (A.I.C.): 10kA @ 120/240VAC
  
• Dimensions:
  • Height: 4.81 in.
  • Width: 1.50 in.
  • Depth: 2.50 in.

Material Compliance and Certifications

• Type QCB Compatibility: Designed for use in applications requiring a Type QCB bolt-on circuit breaker.
• Installation Requirements: Intended for installation by qualified personnel in accordance with applicable electrical codes and manufacturer requirements.
• Compatibility Verification: Verify compatibility with the existing panelboard or electrical distribution equipment before installation.
• Certifications and Compliance: Refer to product labeling and accompanying documentation for applicable certifications and compliance information.
  

Where It Works Best

• The QCB70 is commonly used in commercial buildings, industrial facilities, institutional environments, and other electrical distribution systems that require a 70-amp, 2-pole Type QCB bolt-on circuit breaker. It is ideal for maintaining existing electrical systems where matching the original breaker type, mounting method, voltage rating, and interrupting capacity is essential for proper installation and operation.