SEKI ST-22 Thermal Switch
Product Features
Snap-action, automatic reset type
Fast thermal response
Made of heat-resistant insulating resin
Dustproof and moisture-proof sealed structure
IECEx certified (Explosion-proof)
Custom wire specifications available
IP Rating: IP45 (Dust protection: Grade 4, Water protection: Grade 5)
Available in Normally Closed (NC) / Normally Open (NO) types
Applications
Electric motors, fluorescent lamp ballasts, LED lighting, power supplies, battery chargers, transformers, coils, heating pads, and various office equipment.
Temperature Tolerance: Marked temperature ±5℃
Heat Resistance:
Continuous operation: Operating temperature +50℃
Instant high temperature resistance: 200℃ for 1 minute
Contact Ratings
Minimum repetitive current: 100mA
Maximum instantaneous current: 30A
No-load Set Temperature Range: 50℃ ~ 150℃, in 5℃ increments
Standard ON-OFF Differential Temperature: 30±15K
Rated Specifications (Resistive Load)
- 10A / 125V AC, 10,000 cycles
- 7A / 250V AC, 10,000 cycles
- 3A / 48V DC, 6,000 cycles
- 2.2A / 48V DC, 10,000 cycles
- 2.2A / 60V DC, 6,000 cycles
- 1A / 277V AC, 10,000 cycles
- 3A / 120V AC, 10,000 cycles
Electrical Safety Certifications
UL/cUL, VDE, CQC, KC
SEKI ST-22 55℃
SEKI ST-22 65℃
SEKI ST-22 70℃
SEKI ST-22 75℃
SEKI ST-22 80℃
SEKI ST-22 85℃
SEKI ST-22 90℃
SEKI ST-22 95℃
SEKI ST-22 105℃
SEKI ST-22 110℃
SEKI ST-22 115℃
SEKI ST-22 120℃
SEKI ST-22 125℃
SEKI ST-22 130℃
SEKI ST-22 135℃
SEKI ST-22 140℃
SEKI ST-22 150℃
SEKI ST-22P 70℃
SEKI ST-22P 75℃
