The HCET-A Series TB02 represents the next generation of thermal protection technology, engineered to deliver precise temperature management and fail-safe overheating protection for various battery applications. As a direct replacement for traditional SEKI series switches, it offers superior performance with enhanced accuracy and reliability.

• Dual-Layer Protection Technology - Combines thermal cutoff and overheat protection in one compact device
• Wide temperature range: 30°C to +155°C (±3°C accuracy)
• Prevents thermal runaway in lithium-ion, lead-acid, and next-gen battery modules
• Ultra-Fast Response with solid-state thermal sensor and optimized heat conduction
• Silver-alloy contacts for consistent performance
• Waterproof construction protects against moisture and contaminants
• Certified to UL, TUV, and other international standards
• Snap-in mounting for easy integration into existing battery packs
• Wire lead configuration for custom installations

• EV Battery Management Systems
• Grid-Scale Energy Storage
• Industrial Backup Power Units
• Consumer Electronics Battery Packs

• Proactive thermal protection reduces fire/explosion risks
• Maintenance-free operation with no recalibration needed