Square D EGB26070 - 70 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Square D EGB26070 is a 70A, 480V, 2-pole bolt-on molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Offered by AmpState, this unit delivers robust performance where reliability matters most—from residential panels to light commercial and industrial setups.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight even in demanding environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection by simultaneously sensing overloads and short circuits, reducing nuisance trips and protecting connected equipment.
• OEM compatibility designed to work with matching Square D load centers and panelboards, ensuring a precise fit and clean electrical performance.
• Versatile voltage handling at 480V makes it suitable for higher-energy applications in both commercial and light industrial settings while still fitting standard panel layouts.
• 2-pole, 70A configuration provides targeted protection for multi-wire branch circuits and motor or transformer-fed loads when paired with the appropriate panel equipment.

Technical snapshot

• Manufacturer: Square D
• Part number: EGB26070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 70A
• Voltage rating: 480V
• Poles: 2
• Mounting style: Bolt-on
• Applications: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use cases

• Upgrading or stocking replacement breakers in residential panels that service medium-load circuits and multi-wire branch circuits.
• Commercial panelboards where reliable 70A protection is needed for subfeeds, EV charging branches, or HVAC control circuits.
• Light industrial distribution where robust mounting and consistent trip characteristics are critical in environments with vibration or panel enclosures subject to movement.

Practical tips for getting the most out of this breaker

• Ensure the receiving panelboard or load center is OEM-compatible with Square D bolt-on units to maintain rated performance and warranty coverage.
• Torque the mounting bolts to the panel’s specification to preserve the vibration-resistant benefits of the bolt-on design.
• Pair with conductors and protective devices rated for 480V and 70A to create a cohesive, code-compliant protection scheme for branch circuits.
• Keep a spare EGB26070 on hand for maintenance fleets or service calls in installations where 480V distribution is common.

With its combination of secure mounting, reliable thermal-magnetic protection, and OEM-ready compatibility, the Square D EGB26070 stands out as a purpose-built solution for safeguarding your high-voltage branch circuits. Whether you’re outfitting a residential panel, a small commercial distribution, or a light industrial enclosure, this 70A, 480V, 2-pole bolt-on breaker delivers consistent protection you can trust.