Series US-631
Thermostats US-631AXBL
Dimensional drawings
Specification Electrical rating : Operating temp. range :
Differential : Temp. tolerance : Circuit resistance (initial value) : Insulation resistance : Dielectric strength : Heat durability : Switching durability :
125 VAC, 8A max., resistive load 250 VAC, 4A max., resistive load Products without thermal fuse One point fixed between 0 to 120°C Products with thermal fuse One point fixed between 0 to 75°C 8 to 15K Operating temp. ±5°C / Returning temp. ±5°C 80 mΩ or less (The value varies depending on the type of the thermal fuse and lenght of the lead wire) 100 MΩ or more (with a 500 VDC megger) 1,200 V / 1 minute 130°C / 24 hours (Except for the thermal fuse and the lead wire) 100,000 times or more (at rated load)
*The differential varies slightly with the operating temperature. *Please contact us for the length of the lead wires, lead wires with various terminals, and multiple types with two to six elements.
Model Code US-631A Special specification
Lead wire type
L : Black heat resisting wires (0.75mm2, 200mm long) U : Black heat resisting wires (AWG 20, 200mm long) T : Single element version (with special lead wires) 2 : Dual element version
Thermal fuse type
A B C K L M N
Contact type
L : Open on temperature rise L : Close on temperature rise
Contact material
L : Ag alloy contact
: 100°C 2A : 112°C 2A : 129°C 2A : 100°C 5A : 112°C 5A : 129°C 5A : Without the
33-826 33-668 33-825 33-826 33-668 33-825 thermal fuse
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