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Snap-action thermal protector H-3, H-4, H-5

snap-action thermal protector
snap-action thermal protector
snap-action thermal protector
snap-action thermal protector
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These snap action single operation thermal protectors operate as a high limit, single operation (non-resettable) type control. Ultra fast thermal repsonse due to the unique position of the bimetal element. As single operation thermostats, they perform like a thermal fuse with the reliability of a 100% tested bimetallic thermal control. Features ________________________________________ •Snap action devices; quick make/quick break switching action. •Single Operation type thermostats. Reset temperature is less than -35°C. This prevents the thermostat from resetting under normal operating conditions. •Unique positioning of the bi-metallic element allows for excellent heat transfer for improved reaction time. •Available with exposed bi-metallic elements for even faster thermal response. •Phenolic resin case isolates devices from the electrical circuit and is suitable for use in high temperature applications. •Can be moounted directly on a heated surface. •Preset calibration temperature, not adjustable in the field. •Opposite end termination allows for flexibility of installation. •Factory installed lead wires or terminals available – Consult Factory. Contact Ratings ________________________________________ •H-3: 10 amps / 250V AC (resistive) •H-3: 2 amps / 250V DC (resistive) •H-4: 0.5 amps / 50V DC (resistive) •H-5: 15 amps / 125V AC (resistive) •H-5: 10 amps / 250V AC (resistive Certifications ________________________________________ •H-3 and H-4: CUL, VDE •H-5: CUL, VDE, TUV Calibration Temperatures ________________________________________ •H-3 and H-4: 130°C to 230°C •H-5: 130°C to 240° C


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