The 75°C Thermal Fuse is a critical safety component designed to provide reliable over-temperature protection for electric motors, transformers, and small household appliances. Engineered with a high-sensitivity bimetallic or thermal pellet mechanism, this fuse ensures that power is immediately disconnected when the ambient temperature reaches the 75°C safety threshold, preventing costly damage or fire hazards.
Precise Temperature Cut-off: Calibrated specifically for a 75°C trip point, making it ideal for low-to-medium heat applications where precision protection is vital.
Pre-Insulated Lead Wires: Features high-quality white 22AWG insulated leads, allowing for easy integration and safe installation within motor windings or appliance chassis.
Compact Metal Housing: Encased in a durable, slim-profile metal shell that offers excellent thermal conductivity for rapid response to temperature spikes.
Industrial Grade Reliability: Displays standard certification markings (including VDE, CQC, and KC symbols) for guaranteed performance in professional and consumer electronics.
Vibration Resistant: The solid-state design and secure lead-to-housing connection ensure stable operation even in vibrating motor environments.
Thermal Trip Temperature: 75°C.
Lead Wire Gauge: 22AWG.
Wire Insulation: High-temperature rated white polymer.
Housing Material: Zinc-plated or Nickel-plated steel.
Dimensions: Ultra-compact design for space-constrained motor assemblies.
DC & AC Motors: Provides a secondary safety layer for motors like the LI500TB 4415 series to prevent burnout during stall conditions.
Battery Packs: Protects high-capacity battery enclosures from overheating during charging or high-discharge cycles.
Small Appliances: Standard protection for coffee makers, hair dryers, and fans.
Transformers: Safeguards power supplies from thermal runaway caused by overload or short circuits.
Is this fuse resettable? Typically, fuses in this form factor are one-shot thermal links. Once the 75°C threshold is reached and the internal contact breaks, the component must be replaced to restore operation to the device.
Does polarity matter when installing this? No. This thermal fuse is a non-polarized passive component. It can be installed in either direction within the series of the circuit being protected.
Can I solder the wires directly to the motor? While you can solder the 22AWG leads, be extremely careful not to let the heat from your soldering iron reach the metal fuse body, as this could accidentally trip the fuse during installation.
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