KEY SWITCH RK 81

The RK81 is a push-button switch designed for controlling high-current circuits in home appliances, heating and ventilation equipment, and industrial machinery.

The RK81 is a push-button switch with a panel size of 11 x 30.2 mm. It is available with On-Off, illuminated On-Off, and reversing operation functions; while the On-Off options permanently turn the circuit on or off, the reversing option allows the circuit’s direction to be changed with a single control action. The illuminated option allows the device’s operating status to be seen from the panel.

Offering current ratings of 10(4) A, 16(6) A, and 20(2) A at 250 V, the RK81 can switch up to 20 A with resistive loads; while the inductive capacity is 4 A, 6 A, or 2 A, depending on the variant. With a T125/55 temperature rating and a lifespan of 50,000, 10,000, or 1,000 cycles, and is used in white goods, small household appliances, heating and ventilation systems, and industrial equipment. Connections are provided via 6.3×0.80 mm or 4.8×0.80 mm tab terminal options.

With a wire temperature resistance of 850 °C and a temperature rating of up to 125 °C, the RK81 ensures safe switching in high-current circuits.

The product is designed and tested in accordance with the requirements of the EN 61058-1 standard, which covers switches used in household and similar appliances. The 850/750 °C glowing wire (GWIT) values define the body material’s resistance to ignition, while the T125/55 classification indicates the product’s ability to operate at ambient temperatures between 55 °C and 125 °C. The IP20 protection class indicates protection against solid objects; since there is no water protection, the product is suitable for installation in dry environments inside the device. The service life is specified as 50,000, 10,000, or 1,000 cycles depending on the variant and should be evaluated in conjunction with the application’s control frequency when making a selection.

GENERAL FEATURES
Product Code RK81
Panel Dimensions 11 x 30.2
Operating Function On-Off / On-Off with Indicator Light / Reverser
Voltage 250 V
Current 10(4) A / 16(6) A / 20(2) A
Ambient Temperature T125/55
Protection Class IP20
Lifespan 50,000 / 10,000 / 1,000
Gwit 850 / 750
Circuit Type
Connection Type 6.3 x 0.80 / 4.8 x 0.80 Tab Terminal
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