KEY SWITCH RK 40

The RK40 is a round-bodied momentary pushbutton switch designed for instant control via the panel on home appliances and industrial equipment.

The RK40 is a momentary (spring-return) pushbutton switch that is mounted to a panel with a mounting diameter of Ø16.1 mm. The contact changes position only while the switch is actuated; when the button is released, it returns to its initial position due to spring force. NO-NC and NC-NO contact options allow the same product to be used in applications where the circuit must start normally open or normally closed.

Offering current ratings of 6(4) A and 16(4) A at 250 V, the RK40 switches 6 A or 16 A for resistive loads and 4 A for inductive loads. With a T125 temperature class and a lifespan of 50,000 or 10,000 cycles depending on the variant, it is used in home appliances, small household appliances, heating and ventilation equipment, and industrial machinery. Connections are provided via 6.3×0.80 mm or 4.8×0.80 mm tab terminal options.

With a T125 temperature class and a service life of up to 50,000 cycles, the RK40 offers long-term stability in frequently controlled high-temperature environments.

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 T125 class indicates that the switch can operate at ambient temperatures up to 125 °C; the service life rating of 50,000 or 10,000 cycles, depending on the variant, defines the mechanical and electrical endurance of the contacts against repeated switching. The current ratings of 6(4) A and 16(4) A define the product’s operating limits in circuits containing both resistive and inductive loads.

GENERAL FEATURES
Product Code RK40
Panel Dimensions Ø16.1
Operating Function Momentary / NO-NC / NC-NO
Voltage 250 V
Current 6(4) A / 16(4) A
Ambient Temperature T125
Protection Class
Lifespan 50,000 / 10,000
Gwit
Circuit Type
Connection Type 6.3 x 0.80 / 4.8 x 0.80 Tab Terminal
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