Square D FI36070 - 70 A, 600 V, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D FI36070 is a 70A, 600V, 3-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. With a fast plug-in connection, it simplifies installation and rapid replacement, helping minimize downtime during panel upgrades and service calls.

Why this breaker stands out

• Fast plug-in installation — designed for quick, secure connections that fit seamlessly into compatible panelboards and loadcenters.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by responding to both overloads and short circuits with calibrated trip characteristics.
• OEM-compatible — built to be compatible with matching Square D OEM load centers and panelboards, simplifying upgrades and replacements.
• Versatile rating — 70A at up to 600V supports a wide range of residential, commercial, and light industrial applications.
• 3-pole design — ideal for protecting balanced three-phase circuits and equipment, with reliable protection for motors and controlled loads in multi-phase systems.

Technical specifications

• Manufacturer: Square D
• Part Number: FI36070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 70 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Upgrading or replacing breakers in residential, commercial, or light industrial panelboards and load centers that require a 3-pole, 70A protection device at 600V.
• Protecting three-phase motors, pumps, conveyors, and other equipment in small to medium commercial installations.
• Servicing existing electrical systems where quick plug-in installation minimizes downtime during maintenance or panel modernization.

Installation and compatibility tips

Choose this FI36070 when you need a plug-in molded case breaker that aligns with existing Square D panelboards and load centers. Ensure the breaker is the correct trip type for your circuit, and follow all panelboard manufacturer guidelines for wiring and torque specifications. This unit is designed to deliver dependable protection for branch circuits in a variety of settings, from home garages to light industrial facilities.