Square D EGB36070 - 70 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D EGB36070 — a rugged, dependable 70A, 600V, 3-Pole Bolt-On Molded Case Circuit Breaker designed to safeguard your electrical system. Engineered for branch circuit overcurrent and short-circuit protection in panelboards and load centers, this unit delivers reliable performance in real-world installations across residential, commercial, and light industrial environments. Available through AmpState, it pairs trusted Square D engineering with practical installation features that keep projects running smoothly.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays put even in locations with equipment movement or vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance for both overloads and short circuits, helping minimize nuisance trips and uneven responses across temperature changes.
• 3-pole design accommodates three-phase circuits common in commercial and light industrial systems.
• 600V rating supports higher-voltage applications while maintaining precise protection for connected loads.
• 70A amperage rating suitably protects mid-range branch circuits without unnecessary tripping on startup surges.
• OEM compatibility works with matching OEM load centers and panelboards to ensure proper fit, indexing, and safe operation.
• Versatile application suited for residential, commercial, and light industrial installations, including feeders to equipment, HVAC gear, and large lighting or receptacle circuits.

Technical specifications

• Manufacturer: Square D
• Part number: EGB36070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 70A
• Voltage rating: 600V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for

• Electricians and facility managers installing or upgrading panelboards and load centers
• Residential service panels that demand reliable three-phase protection where applicable
• Commercial spaces with mid-range circuit protection needs for motors, HVAC, lighting, and power feeders
• Light industrial setups requiring durable mounting and consistent trip performance

Practical tips for use and installation

• Confirm panelboard compatibility with the EGB36070’s bolt-on mounting to ensure a secure, code-compliant installation.
• Match the breaker’s 70A rating to your circuit’s load calculations to balance protection with available service capacity.
• Rely on the thermal-magnetic trip to handle everyday load fluctuations while still delivering instantaneous protection during true short circuits.
• Store spares and replacements for known panel models in your service toolkit to minimize downtime during maintenance or upgrades.

With the Square D EGB36070, you’re choosing a trusted, high-performance solution that aligns with OEM panel designs and delivers dependable protection across a range of applications. Whether you’re outfitting a new panel installation or upgrading an aging system, this 70A, 600V, 3-pole bolt-on breaker provides the robustness and reliability required for safe, continuous operation.