The Thermal Protector H06 from Thermik Corporation is a normally closed temperature controller designed for automatic reset. It features a robust construction that includes a mobile circular contact bridge, a contact bearing pin, a spring snap-in disc, and a bimetallic disc, all of which are riveted together to ensure durability and reliability. The device operates by opening contacts when the bimetallic disc reaches its nominal switching temperature, and it automatically resets once the temperature falls below a defined reset threshold.
The H06 model offers a nominal switching temperature range from 70 °C to 200 °C, with a standard tolerance of ±5 K. It is capable of handling operational voltages up to 500 V AC and 28 V DC, with a maximum switching current of 25 A for AC and 40 A for DC applications. The device is designed for high performance, featuring a very short bounce time of less than 1 ms and low contact resistance, ensuring long-term stability even under mechanical stress.
The H06 is fully insulated within its attachment housing and is suitable for installation in protection classes I and II. It also meets various international standards, including IEC, ENEC, VDE, UL, CSA, and CQC, making it a versatile choice for engineers seeking a reliable thermal protection solution.
Switchgear consisting of a mobile and circular contact bridge (1), a contact bearing pin (2), a spring snap-in disc (3) and a bimetallic disc (4) which is riveted into one another, undetachable and fixed in a positive lock and self-aligning between a non-conductive floor of a housing (5) and an insulating ceramic bearing (6) with two integrated stationary contacts (7) as electrodes. At the same time, the switchgear is supported by the spring snap-in disc (3) with the contact bridge (1) acting as a transfer element for electric current which is held between a supporting collar and a circumferential ring. As such, the bimetallic disc (4) underlying it, that is also stuck out from the contact bearing pin (2), can continuously work (exposed) by mechanical loads without the contact pressure defined by the spring snap-in disc (3) diminishing. As soon as the bimetallic disc (4) reaches its rated switching temperature, it effectively springs against the throw force of the spring snap-in disc (3) into its inverted position. The contacts are abruptly opened. The temperature will now fall. The bimetallic disc (4) will only snap back upon reaching a defined reset temperature and the contacts will be closed again. As the contact bearing pin (2) is appropriately dimensioned, an easy, circular rotation of the circle-shaped contact bridge (1) is enabled with every switch so that transfer resistances remain constantly below the minimum limit after many switch cycles and the long term stability is sustained even under high levels of stress.
| Thermik Corporation | |
|---|---|
| Product Category | Thermal Switches and Thermal Protectors |
| Product Number | H06 |
| Product Name | Thermal Protector (Temperature Controller) |
| Switch Type | Normally Closed, NC |
| Features | Automatic Reset |
| High Temperature Set Point | 158 to 392 F (70 to 200 C) |
| Maximum Current | 40 amps |
| Maximum AC Voltage | 500 volts |
