Metallic Shape Memory Alloy Actuator for Switches
A Nitinol shape memory alloy wire actuator for temperature-sensitive switches. It contracts mechanically when reaching activation temperature to operate switch contacts. Its metallic material is mechanically reactive to temperature, making it suitable for motor starters and overload protectors.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the actuator is used in switches not related to motor starters or overload protectors.
Parts for other apparatus of heading 85.35 or 85.36 fall under the 'Other' subheading 8538.90.90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the actuator as a part for motor starters or overload protectors, not as a standalone switch
• Provide CBSA with technical data on its shape memory alloy composition and activation temperature
• Ensure it is not classified under heading 85.36 as a complete switch
Related Products under Tariff item 8538.90.10
Bimetal Blade for Thermal Cutout Switch
A precision bimetal blade designed for thermal cutout switches used in appliances. It bends at a predetermined temperature to separate electrical contacts, preventing overheating and potential fires. Its metallic construction provides reliable mechanical temperature response for motor starters and overload protectors.
Bimetallic Disc for Circuit Breaker Thermal Trip
A snap-action bimetallic disc used for thermal trip mechanisms in thermal-magnetic circuit breakers. It warps mechanically at calibrated temperatures to trip the breaker mechanism and interrupt power. Its two-metal construction provides precise temperature response for overload protection.
Ceramic NTC Thermistor for Switch Overheat Detection
A ceramic NTC thermistor used for overheat detection in automatic circuit breakers and thermal switches. It provides precise temperature monitoring by decreasing resistance as temperature rises, enabling protective action. Its ceramic material is electrically reactive to temperature changes, suitable for motor starters and overload protectors.
Ceramic PTC Disk for Overload Relay Protection
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.
Ceramic PTC Thermistor for Motor Protectors
A positive temperature coefficient (PTC) ceramic thermistor specifically designed for motor overload protectors. It increases resistance dramatically with temperature rise to limit current and protect motors from overheating. Its ceramic material is electrically reactive to temperature, making it ideal for motor starter and overload protector applications.
Ceramic Temperature-Sensitive Resistor for Motor Starter
A PTC ceramic resistor element used in motor starting relays. It provides inrush current limiting by increasing resistance as temperature rises during startup. This dedicated ceramic part is electrically reactive to temperature, making it suitable for motor starters and overload protectors.