KI31 / KSD301 Snap-Action Thermal Protector
Detailed specifications are as follows:
1. Electrical Parameters
1. Certified by CQC, VDE, UL, CUL; AC250V 50~60Hz, 10A (Resistive Load)
2. UL AC125V 50Hz (Resistive Load)
2. Operating Temperature Range
-10℃ ~ 260℃
Temperature accuracy: ±2℃, ±3℃, ±5℃, ±10℃ optional
3. Differential Temperature
8℃ ~ 100℃, customizable
4. Terminal Configuration
250# plug terminal, bending angle 0~90° optional
187# plug terminal, bending angle 0~90° optional; terminal thickness 0.5mm / 0.8mm optional
5. Service Life
≥150,000 cycles
6. Dielectric Strength
AC 50Hz 1800V for 1 minute, no flashover or breakdown
7. Contact Resistance
≤50mΩ
8. Insulation Resistance
≥100MΩ
9. Contact Types
Normally Closed (NC): Contacts open when temperature rises, close when temperature drops.
Normally Open (NO): Contacts close when temperature rises, open when temperature drops.
10. Ingress Protection Rating
IP00
11. Grounding Method
Grounding via metal thermostat housing connected to earthed metal parts of equipment
12. Mounting Methods
KI-31 series: standard movable ring, small round movable ring, flat movable ring, large aluminum cover with mounting holes, extended aluminum cover with mounting holes
Applications
1. Water dispensers, electric water heaters, sandwich toasters, dishwashers, dryers, disinfection cabinets, microwave ovens, electric coffee makers, electric pots, refrigerators, air conditioners, glue coating machines
2. Office equipment
3. Automotive seat heaters
