Square D KA36070 - 70 A, 3-Pole Plug-In Circuit Breaker | AmpState

The Square D KA36070 is a 70A, 3-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for rapid servicing and reliable protection, this device is a practical upgrade for modern electrical systems.

Fast, plug‑in installation for minimal downtime

With a quick plug-in connection, this breaker enables fast installation and straightforward replacement. Whether you’re upgrading an aging panel or performing routine maintenance, the KA36070 slides into compatible OEM load centers with ease, helping you complete projects faster and with less disruption to your electrical room.

Smart protection you can count on

Equipped with a thermal-magnetic trip unit, the KA36070 delivers stable, repeatable protection across a range of loads and temperatures. The combination of thermal and magnetic tripping helps prevent nuisance trips while safeguarding conductors, devices, and connected equipment from overcurrent and short-circuit events.

Designed for compatibility and reliability

This 3-pole plug-in breaker is designed to fit matching Square D OEM load centers and panelboards, ensuring proper fitment and coordinated protection within your electrical distribution system. Its molded-case construction adds durability for everyday service in busy environments.

Versatile for multiple applications

Ideal for residential, commercial, and light industrial settings, the KA36070 supports higher-demand circuits without compromising safety or performance. Use it for service upgrades in homes, small offices, retail spaces, or light manufacturing facilities where robust branch-circuit protection is essential.

Technical specifications

• Manufacturer: Square D
• Part Number: KA36070
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 70 A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical insights

• Replacing a failed or aging 70A, 3-pole breaker in a Square D panelboard to restore full circuit protection with minimal panel downtime.
• Upgrading protection for circuits servicing high-demand equipment or multi-zone loads in small commercial spaces.
• Planning maintenance or a panel upgrade where quick, tool-free plug-in installation reduces labor time and site disruption.
• Ensuring compatibility with OEM load centers to maintain consistent trip characteristics and safe coordination with adjacent protective devices.