RT 04 Rotating Key

RT04 is a rotary switch that can be configured for up to 3 circuits and provides step-by-step control for home appliances, heating and ventilation systems, and industrial equipment.

The RT04 rotary switch switches between positions as the shaft is turned and keeps the corresponding contact group closed at each position. It can be manufactured with 1–3 circuits, allowing three independent circuits to be controlled from a single unit; the number of positions can be customized from 1 to 5 or more to match the device’s step configuration. In applications where it is used as a program selector switch, this design offers a balanced solution for devices requiring a moderate level of functional versatility. The pin material is available in plastic or metal.

Operating at 250 V with current ratings of 16(4) A and 18(5) A, the RT04 can switch resistive loads of 16 A to 18 A and inductive loads of 4 A to 5 A. A service life of 10,000 cycles and a T125 temperature class ensure stable performance even when installed in areas of the device that generate heat; the PA66 GF25 housing, rated V0 for flame resistance, maintains its mechanical integrity under these conditions. Electrical connections are made via 6.3 x 0.80 mm tab terminals. Since the protection class is IP00, the switch is unprotected against the ingress of solid objects and water and must be installed inside the device’s enclosed housing.

RT04 offers long-lasting performance in frequently operated devices, with an ambient temperature resistance of 125 °C and a switching life of 10,000 cycles.

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 classification indicates the ability to operate at ambient temperatures up to 125 °C, while the stated 10,000-cycle lifespan demonstrates its durability under repeated operation at the specified load. The PA66 GF25 housing material, classified as V0 for flame resistance, has been selected to meet safety requirements within the device. In accordance with the IP00 protection rating, the rotary switch must be installed inside a closed device enclosure.

GENERAL FEATURES
Product Code RT04
Voltage 250 V
Current 16(4) A / 18(5) A
Ambient Temperature T125
Protection Class IP00
Lifespan 10,000
Gwit
Number of Positions 1–5+ (Customizable)
Number of Circuits 1–3
Connection Type 6.3×0.80Tab Terminal
Pin Material Plastic / Metal
Body Material PA66 GF25 V0
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