Nanjing Haichuan Electronic Co., Ltd.
                                                                                                           
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16 Years
Since 2010
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Bakelite Body KSD301 Normally Open Bimetal Thermal Protector 250v 10a

Price Negotiable
Price: please contact us
MOQ: 1000
Delivery Time: 5-7 work days
Brand: HCET
Product Description
Bimetal KSD301 Normally Open Precision Temperature Control Switch Thermal Protector
High-performance snap-action bimetal thermostat designed for accurate temperature sensing and reliable circuit interruption in smoke alarm applications.
Product Specifications
Product Name KSD301 Thermal Switch Thermostat
Temperature Range -10°C to 280°C
Tolerance ±3°C, ±5°C
Current Rating 10A/16A
Voltage Rating 125V/250V AC
Material Ceramic or Bakelite Body
Primary Application Smoke Alarms
Product Overview
The HCET HC301 KSD301 Series utilizes advanced bimetal disc technology to provide precise temperature control and reliable circuit protection. This compact thermal protector automatically activates at preset temperature thresholds to prevent equipment overheating, ensuring operational safety in demanding environments. Certified to UL, TUV, and RoHS standards for reliable performance across residential, commercial, and industrial applications.
Key Features
  • Instant Snap-Action Mechanism: Bimetal disc ensures less than 3-second response time for critical temperature events
  • Multi-Stage Temperature Adjustment: Custom calibration service with ±3°C precision for OEM requirements
  • Space-Saving Profile: 15mm diameter compact housing fits confined spaces in PCB assemblies
  • Cost-Effective Maintenance: Self-resetting design eliminates replacement costs from single-use fuses
Electrical Characteristics
Temperature Range: -10°C to 300°C
Temperature Tolerance: ±3°C, ±5°C
Electrical Specifications: 12VDC/24VDC: 10A~15A | 125VAC/250VAC: 10A~16A
Product Construction
Close-up view of KSD301 Thermal Protector Switch showing detailed construction and components
Application Example
KSD301 Thermal Protector Switch installed in smoke alarm application showing proper mounting and wiring

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Nanjing Haichuan Electronic Co., Ltd.
Location No.18, Huyue Road, Luhe Development, 211500 Nanjing, Jiangsu, China
Contact Person Lily

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