The HC18/8AM Series Motor Overload Thermal Protector is a dual-sensitive (temperature + current) safety device engineered to safeguard critical equipment such as motors, transformers, and automotive systems from overheating and overcurrent damage.

• Dual Protection Mechanism Combines temperature and current sensitivity to prevent motor burnout in overload or overheating scenarios.
• Wide Current Range (15-60A) Handles high-load applications up to 60A, suitable for industrial motors, automotive starters, and heavy-duty transformers.
• Precision Thermal Response Factory-calibrated with ±5℃/±8℃ accuracy, ensuring consistent performance across 80℃-180℃ temperature settings.
• Fast-Acting Trip Time Disconnects circuits in 4-10 seconds at 25℃ ambient, minimizing downtime and equipment damage.
• Compact & Customizable Space-saving design with optional terminals and wiring configurations for seamless integration into HVAC systems, pumps, and machinery.
• Multi-Industry Compliance Certified for use in automotive motors, capacitor-start motors, split-phase motors, and lighting ballast protection.
• Durability & Safety Robust construction withstands vibration and harsh environments, meeting global electrical safety standards.

15 volts DC/30 volts DC: 1~60amps
125 volts AC /250 volts AC: 1~60amps

Detailed dimension diagram of HC18 Motor Thermal Protector

Detailed view of HC18 Motor Thermal Protector components

Common applications for HC18 Motor Thermal Protector in automotive and industrial settings