EJB24070 - 70 Amp Circuit Breaker

EJB24070 - 70 Amp Circuit Breaker

Meet the EJB24070 70A miniature circuit breaker — a high-performance, dual‑pole solution engineered for steady and dependable protection in commercial and industrial electrical systems. Built for 480Y/277 VAC configurations and compatible with NF‑style panelboards, this breaker delivers 70 amps of line-rated current with a strong interrupting capacity to safeguard against overloads and short circuits. Its design includes a thermal-magnetic trip mechanism with a clear trip indicator, so you always know when a circuit is compromised. Designed for durability in demanding environments, the EJB24070 is a wise choice whether you're managing HVAC systems, powering industrial machinery, or outfitting commercial installations.

Key Features and Benefits

• High Interrupting Capacity: Capable of interrupting up to 100 kA at 120 VAC — this breaker stands ready to handle major electrical faults, offering solid protection for circuits under heavy load.
• Thermal‑Magnetic Trip Unit: The internal thermal-magnetic trip unit provides precise overload and short-circuit protection, with a visible trip indicator to quickly spot circuit issues.
• Bolt-On Mounting: Installation is quick and secure thanks to the bolt-on mounting system, ensuring a firm fit within compatible panelboards without the need for complicated wiring tricks.
• HACR Rated for Versatility: Suitable for heating, air conditioning, and refrigeration applications — making this breaker a flexible choice for a variety of commercial setups.
• Durable Build Quality: Constructed with high-quality materials to deliver long-lasting performance under continual use and varied environmental conditions.

Technical Specifications

• Product Series / Frame: 125 A Frame — EDB / EGB / EJB
• Poles / Current Rating: 2‑Pole, 70 A line-rated
• Operating Voltage: 480Y/277 V AC
• Interrupting (Breaking) Capacity:
  • 100 kA at 120 V AC
  • 65 kA at 277 V AC
  • 65 kA at 480Y/277 V AC
• Electrical Connection: Aluminum lugs
• Holding Current: 630 A
• Mounting Method: Bolt-on
• Dimensions:
  • Height: 5.66 in (143.8 mm)
  • Width: 1.96 in (49.8 mm)
  • Depth: 4.05 in (102.9 mm)
• Weight: Approx. 3 lb (1.36 kg)

Material Compliance and Certifications

• cULus Certified: Meets rigorous U.S. and Canadian safety and performance standards — giving confidence that installation will pass inspection and operate safely.
• RoHS & REACH Compliant: Manufactured with environmentally responsible materials, ensuring compliance with modern regulatory guidelines on hazardous substances.
• Green Premium™ Label: Reflects a commitment to sustainability — this breaker meets stringent environmental standards and contributes to a lower overall carbon footprint.

Where It Works Best

• The EJB24070 shines in commercial and industrial settings — especially where reliable circuit protection is critical. It's ideal for powering and protecting HVAC units, air conditioning and refrigeration systems, industrial machinery, and any heavy-duty equipment that draws significant current. If you're updating or outfitting an NF‑type panelboard, this breaker is a dependable choice for ensuring safety, compliance, and long-term performance.