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Miniature thermal protector ST01 series

miniature thermal protector
miniature thermal protector
miniature thermal protector
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miniature, snap-action


These snap action thermal protectors offer exceptional performance in an extremely small package. Designed as an economical solution, especially for motor, transformer, and lighting applications up to 5 amps, 250 VAC. The round, low-profile design fits perfectly for on-winding protection. Available in a variety of configurations to meet the requirements of many different applications. A self-hold model is available for applications requiring an additional level of protection. An internal heat source holds the circuit open until power is disconntected. Features •Snap action design, quick break/quick make switching action. •Preset calibration temperature, not adjustable in the field. •Brass case provides good thermal conductivity. •Case is electrically alive. Multiple insulation options are available. •Standard #22 ga. Silicone rubber insulated lead wires. Other materials available upon request. Contact Ratings ________________________________________ Model STO1 •5 Amps 250 VAC •Maximum operating voltage: 60 VDC, 500 VAC Calibration Range ________________________________________ •Available with nominal calibration temperatures from 60ºC to 160ºC •Standard calibration tolerance is ± 5ºC Applications Motors, transformers, lighting, coils, electronics Approvals This model has been evaluated under the components programs by UL and TUV. Please contact us for further details.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.