Cutler Hammer CH320 - 20A, 3-Pole, Circuit Breaker

The Cutler Hammer CH320 20A 3-Pole Circuit Breaker is a compact, dependable overcurrent protector designed for three-phase electrical systems. Built for industrial, commercial, and OEM environments, it delivers reliable protection in distribution panels and motor control centers, helping avoid costly downtime from electrical faults.

Key specifications

• Current rating: 20 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Why a 3-pole design matters

With a 3-pole configuration, this CH320 handles three hot legs simultaneously, ensuring balanced protection for three-phase loads and simplifying wiring in panelboards, switchboards, and control panels.

What makes this breaker stand out

• Trusted Cutler Hammer performance: built to endure demanding environments and provide consistent tripping behavior when overloads or short circuits occur.
• Compact integration: fits into tight spaces within distribution panels and motor control centers without sacrificing protection.
• Versatile use: ideal for panelboards, switchboards, and control panels across industrial, commercial, and OEM applications.

Ideal applications and use cases

• Three-phase motor circuits in manufacturing floors and processing plants.
• Distribution panels in commercial electrical rooms requiring reliable phase protection.
• OEM equipment where integrated three-pole protection is essential.

Practical installation tips

• Follow manufacturer guidelines for wiring and torque on terminals. Ensure connections are clean, secure, and properly landed on all three poles.
• Verify the CH320’s compatibility with your panelboard or switchboard assembly and ensure correct bus-bar alignment during retrofit or new installations.
• Schedule regular inspections to confirm uninterrupted protection and to catch wear or loose connections before they cause issues.

Choosing the CH320 20A 3-Pole Circuit Breaker means selecting a trusted, purpose-built solution for dependable three-phase protection. When your priority is safeguarding motors, drives, and other critical equipment in distribution panels and motor control centers, this breaker delivers consistent performance and straightforward integration into your electrical systems.