SEKI ST-22 ST-12 Bimetallic Thermostat KSD9700 with 0-250℃ Temperature Range Normally Closed Over-Temperature Protection
Price:
USD 0.2~0.3PCS
MOQ:
1000PCS
Delivery Time:
10~15 WORKDAYS
Brand:
HENHGAO
Product Description
SEKI ST-22 ST-12 Bimetallic Thermostat KSD9700 BW-ABJ
Product Overview
The SEKI ST-22 series bimetallic thermostat provides reliable over-current and over-temperature protection. Featuring a sealed design with small internal resistance, automatic reset functionality, and silent operation, it offers superior protection compared to standard thermal protectors.
Technical Specifications
| Parameter | Value |
|---|---|
| Electrical Rating | DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A |
| Open temperature | (30~150)±5°C; 5°C steps |
| Reset temperature | 2/3 of action temperature (±15°C tolerance) or customizable |
| Life cycles | 10,000 operations |
| Dimensions | L15mm × W7.1mm × H3.8mm |
| Lead wire | #22 3266, 70mm length (customizable) |
| Certifications | UL E487478, CQC16002142880, TUV B160592241002 |
Model Variations
| Model | Case | Dimensions (mm) | Voltage & Current | Lead Wire |
|---|---|---|---|---|
| H20 | Plastic | 18.5 × 8 × 4 | DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 10A | #20 3135, 70mm length (customizable) |
| H21 (Metal) | Metal | 18.5 × 7.3 × 3.8 | AC250V 20A | #16 3135 |
| BH-A1D | Metal | 15 × 6.6 × 3.2 | DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V | Multiple wire options available |
Temperature Codes
| Code | Temperature | Code | Temperature |
|---|---|---|---|
| 30 | 30℃ | 100 | 100℃ |
| 35 | 35℃ | 105 | 105℃ |
| 40 | 40℃ | 110 | 110℃ |
| 45 | 45℃ | 115 | 115℃ |
| 50 | 50℃ | 120 | 120℃ |
Applications
- 1.5 HP motors
- Lighting devices
- Inverter welding machines
- Switch power supplies
- Rechargeable battery packs
- Fluorescent lamp ballasts
- Portable power tools
- Various electrical appliances
Operation Principle
The thermostat contains temperature-sensitive bimetallic components that change state when exposed to over-temperature or over-current conditions. This action either opens or closes the circuit as needed. When conditions return to normal, the device automatically resets.
Certified: UL, CQC, TUV, and RoHS compliant
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Heng Hao Electric Co., Ltd
Location
No.9, five lane, Shangchegang, Shangtang road, Gekeng, Hengli Town, Dongguan City, Guangdong, China
Contact Person
Cherry Lee