EHB34070 - 70A Circuit Breaker

EHB34070 - 70A Circuit Breaker

The Square D EHB34070 is a 70-amp, 3-pole circuit breaker made to give you safe and dependable power protection. It’s the kind of breaker that quietly does its job in the background—stopping overloads and short circuits before they cause bigger issues. What makes it popular with electricians is how simple it is to install. The bolt-on style locks in securely, so you know it’s in place and ready to go without a lot of extra steps. Whether it’s for a home panel, a busy office building, or even an industrial setup with heavy equipment, this breaker is designed to handle it.

Key Features and Benefits

• Strong fault protection – Rated at 14kA at 480 volts and 65kA at 240 volts, so it steps in fast when something goes wrong.
• Straightforward install – The bolt-on design keeps installation quick and easy, saving time on the job.
• One breaker, many uses – Works in residential, commercial, and industrial settings, so it’s flexible enough for different projects.
• Built tough – Made from quality materials and tested to meet strict safety standards, giving you peace of mind.

Technical Details

• Handles 70 amps of current
• 3-pole design
• Interrupting capacity: 14kA @ 480V and 65kA @ 240V
• Fits wire sizes #4–#2/0 AWG (copper or aluminum)
• Frame type: EHB-4
• Temperature rating: 75°C
• Size: 3.00" W x 3.50" L x 2.63" D
• Weight: 3 lbs

Certified and Safe

This breaker is UL listed, which means it’s been independently tested and approved for safety. It’s built with compliant, durable materials that can stand up to real-world use.

Where It Works Best

• Homes – Protects household panels and wiring.
• Commercial buildings – Great for offices, retail spaces, and everyday business needs.
• Industrial setups – Helps safeguard machinery and equipment.
• Made for the NEHB Panelboard only – ensuring the right fit and proper performance.