TH-T18 0.35A (0.28-0.42A) SSR relay
Key Specifications

• Device Type: Thermal Overload Relay (uses internal bimetallic strips, unlike electronic or solid-state switches).
• Brand/Series: Mitsubishi TH-T Series (often used with S-T series magnetic contactors).
• Nominal Current: 0.35A.
• Adjustment Range: 0.28A to 0.42A (you can turn the dial to match your exact motor load). 

How It Works

• Overload Protection: If the motor draws too much current for too long, the internal components heat up, bend, and trip the control circuit.
• Contacts: It includes auxiliary contacts (usually a Normally Closed 95-96 pair to cut the contactor coil power and a Normally Open 97-98 pair for alarm signals). 

If you'd like, tell me:

• What motor or equipment you are trying to protect
• Whether you need help with wiring connections or finding a replacement

I can give you specific instructions.