JUC-31F Auto Reset Thermal Fuse Thermostat with 250V 16A for PCB Circuit Board and Medical Power Supply

The JUC-31F thermostat is a touch-type plastic snap temperature thermostat featuring international TO220/Y220 standard packaging. This highly reliable component offers sensitive and accurate temperature control in a compact, lightweight design that's easy to install on PCB circuit boards, heat equipment, and power devices.

• Contact load: AC 120V 1A; DC48V 1A; AC 220V 1.5A/3A; DC 24V 1.5A/3A
• Contact type: ID (closed) H(open)
• Overheating temperature: 250°C
• Contact resistance: <50mΩ
• Insulation resistance: >100 mΩ
• Dielectric withstand voltage: >1500V
• Product life: >10,000 cycles
• Weight: 1.7g
• Action temperature deviations: ±5°C

Temperature sensing components consist of bimetallic strip. When temperature reaches the action range, it disconnects quickly. The contact point cannot reset automatically - requires manual reset button press (4-6N force recommended) when temperature declines 20°C after snap action. Ensure ≥20.4mm clearance between reset button and cover.

When temperature reaches action range, the bimetallic strip disconnects quickly. Contact point automatically resets and resumes operation when temperature declines to fixed point.

The JUC-31F thermostat provides temperature control and protection for:

• Electric equipment and household appliances
• Thermal overload protection in circuit boards
• Communication and switching power supplies
• UPS, medical power supplies, and fire power systems
• Module power supplies and audio amplifier equipment
• Rechargeable devices and rectifiers
• Welding equipment and aerospace instrumentation
• Automation and military equipment

This product holds UL, CQC, VDE and RoHS certifications.

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