HGB3B070B - 70Amp Circuit Breaker

HGB3B070B - 70Amp Circuit Breaker

The HGB3B070B is a 70-amp, 3-pole molded case circuit breaker designed to provide dependable overcurrent and short-circuit protection for your commercial and industrial electrical distribution systems. Built for panelboard mounting, this HGB series breaker delivers reliable performance in demanding applications while helping you protect valuable electrical equipment from damage caused by overloads and fault conditions. Rated for operation at 40°C and HACR applications, it offers the versatility needed for a wide range of HVAC equipment, distribution panels, and branch circuit installations. Supplied with load-side terminals, the HGB3B070B is ready for straightforward installation and secure conductor termination. With interrupting ratings of 35kA at 480VAC and 100kA at 240VAC, this breaker is well suited for your systems where dependable fault protection and long-term performance are essential.

Key Features and Benefits

• 70 Amp Current Rating: 70 Amp current rating for dependable circuit protection.
• Three-Pole Configuration: Three-pole configuration for three-phase electrical systems.
• HGB Series Design: HGB series molded case circuit breaker design.
• Panelboard Mount: Panelboard mount for seamless integration into compatible electrical equipment.
• Interrupting Capacity: Interrupting capacity rated 35kA at 480VAC and 100kA at 240VAC.
• HACR Rated: HACR rated for qualifying heating, air conditioning, and refrigeration applications.
• 40°C Operation: Designed for operation in ambient temperatures up to 40°C.
• Load-Side Terminals Included: Includes load-side terminals for secure electrical connections.
• Equipment Protection: Helps safeguard electrical equipment against overloads and short-circuit events.
• Commercial and Industrial Applications: Suitable for a variety of commercial and industrial power distribution applications.

Technical Specifications

• Part Number: HGB3B070B
• Type: HGB
• Product Type: Molded Case Circuit Breaker
• Poles: 3
• Amperage: 70A
• Voltage & A.I.C. Rating: 35kA @ 480VAC; 100kA @ 240VAC
• Mounting: Panelboard Mount
• Operating Temperature: 40°C
• HACR Rated: Yes
• Included: Load-Side Terminals
• Dimensions:
  • Height: 5.0 in.
  • Width: 3.0 in.
  • Depth: 3.06 in.

Material Compliance and Certifications

• HACR Rated: HACR rated for approved heating, air conditioning, and refrigeration applications.
• 40°C Ambient Operation: Designed for operation in 40°C ambient environments.
• Molded Case Construction: Manufactured as a molded case circuit breaker for dependable overcurrent and short-circuit protection.
• Published Performance Specifications: Built to meet the published electrical ratings and performance specifications for the HGB series.

Where It Works Best

• The HGB3B070B is an excellent choice for commercial buildings, industrial facilities, OEM equipment, panelboards, and three-phase electrical distribution systems requiring a 70 Amp, 3-pole circuit breaker. It is commonly used to protect branch circuits, HVAC equipment, machinery, motor loads, and other critical electrical infrastructure where consistent performance and high interrupting capacity are important for maintaining safe and reliable operation.