Heinemann AM3-A3-A - 20A, Circuit Breaker

Meet the Heinemann AM3-A3-A - 20A, Circuit Breaker, a purpose-built protection device for demanding electrical distributions. This 20A breaker delivers dependable overcurrent protection in panelboards, switchboards, control panels, and OEM equipment. Built to endure the rigors of industrial and commercial environments, it helps keep critical systems safe and up and running.

Why this breaker stands out

• 20A current rating: Precisely protects feeders, control circuits, and moderate-load systems without unnecessary trips.
• Industrial-grade protection: Designed for the tough conditions in distribution panels and motor control centers, delivering consistent performance over time.
• Versatile intent: Suitable for panelboards, switchboards, control panels, and OEM equipment, enabling smooth upgrades and replacements.
• Overcurrent protection and safe operation: Helps prevent damage from short circuits and overloads, enhancing overall safety and uptime.
• Broad applicability: Ideal for industrial, commercial, and OEM environments where reliable protection is essential.

Who benefits from the Heinemann AM3-A3-A?

• Electrical engineers and panel builders specifying reliable protection for distribution panels and MCCs.
• Maintenance teams seeking a durable, easy-to-replace solution for ongoing equipment reliability.
• OEM manufacturers integrating a trusted 20A solution into control panels and machinery.

Practical guidance for field use

• Align the 20A rating with your protected load to ensure efficient protection and minimize nuisance trips.
• Keep a compatible 20A breaker on hand to reduce downtime during maintenance or retrofits.
• Confirm compatibility with your existing panel family and MCC layout to simplify installation and future upgrades.