10PCS KSD303 10A 85C Manual Reset Thermostat Normally Closed Temperature Switch The 10PCS KSD303 set provides reliable over‑temperature protection for a wide range of electrical devices. Each unit is a KSD303 thermostat switch with a normally closed contact, a manual reset, and a trip temperature of 85 C. With a 10A current rating, these switches are suitable for common appliance and equipment protection applications. The manual reset requirement helps ensure deliberate restart after a trip, increasing safety and control. Key benefits Effective overtemperature protection to prevent equipment damage and reduce fire risk. Normally Closed operation ensures the circuit is closed during normal temperatures and opens when the 85 C threshold is reached. Manual reset after tripping adds a deliberate restart step for safer operation and inspection. Economical 10piece pack for easy stocking, replacement, or OEM applications. Simple, direct replacement option for devices designed to use KSD303 NC thermostats. Key attributes Model: KSD303 Type: Manual reset thermostat / temperature switch Normal state: Normally Closed Trip temperature: 85 C Current rating: 10A Package quantity: 10 pieces Compatibility: Designed for use in devices that require a KSD303 series NC thermostat switch Performance: Provides reliable cutoff at the specified temperature with a manual reset mechanism Applications and use cases Overheat protection in household appliances such as coffee makers, kettles, toasters, and other small heating devices. Temperaturebased safety cutoff in power supplies, electronic controllers, and other equipment where a fixed trip point is required. Replacement part for devices that originally use a KSD303 normally closed thermostat, enabling a straightforward maintenance or . Notes for selection and installation Ensure the device's electrical design and wiring are compatible with a KSD303 relay of 10A current rating and normally closed configuration. After a trip, reset manually according to the device's operational procedures before resuming normal function. When replacing, verify that the target application requires an 85 C trip point and a manual reset mechanism. This description reflects the product's model, specifications, and features as specified: 10 pieces per pack, KSD303, 10A rating, 85 C trip temperature, manual reset, and normally closed thermostat switch.