Application / Steering wheel heater, water heater, vending machine, motor etc. Temperature setting Max. 100°C Specifications ^For the standard Temperature tolerance OFF Temp. side freely choose from (±5°C,±7°C,±10°C). ^Please contact us for the various specifications ( lead wire type, temperature/differential setting) or any modifications and inquiries. Model code Dimensional outline drawing US-639 A X □ □ □ — Lead wire conductor size [1: AWG# 24(4A or Less), 2: AWG# 20 (Over 4A)] Lead wire code—A1 : Cross-linked polyethylene insulated wire (AC spec.100°C or less) [UL3266 White L=70mm] D1 : Cross-linked polyethylene insulated wire (DC spec.100°C or less) [UL3265 Black L=70mm] I— T : Special Lead wire [ Customer's specification] Case code-- A :AC spec. White color — D:DC spec. Black color Contact code Contact material code ^ The design specifications of our products are subject to change without prior notice.