Ceramic PTC Disk for Overload Relay Protection from United States
A large ceramic PTC heating disk designed for bimetallic overload relays. It self-heats to trip the relay mechanism when motor current exceeds safe levels, providing both electrical and thermal protection. Its ceramic material reacts to temperature changes, making it suitable for motor starters and overload protectors.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the PTC disk is specifically for motor overload relays, not other applications
• Document its ceramic material and thermal response characteristics for CBSA
• Verify it is not classified as a heating element under heading 85.16