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A contactor is an electromagnetically operated remote switch for large electrical powers. A larger current can be switched by means of a smaller current. They ensure galvanic isolation between the control circuit and the switched circuit. Installation contactors of the HS series are characterised by their long mechanical and electrical life. Their solenoid coil is suitable for continuous operation (100 % ED). This low-hum version is suitable for use in industry and workshops. Features: wide range of different contacts long electrical and mechanical life matching auxiliary contact and sealing cap available Mounting method: quick-fixing on mounting rail Mounting position any Areas of application: Installation contactors are versatile. The low-hum version is suitable for industry and workshops, while the hum-free version is used for hotels, offices and residential areas. They handle the switching of incandescent lamps, fluorescent lamps, transformers for low-voltage halogen lamps, high-pressure mercury vapour lamps (HQL, HPL), metal halide lamps (HQI, HPI), sodium vapour lamps, low-pressure lamps and high-pressure lamps, storage heaters or drives (motors). Notes: The designation of the devices of this series includes both the rated current (first pair of numbers) and the contact design (last pair of numbers): A HS 25-31, for example, has a rated current of 25 A. Three NO contacts and one NC contact For ambient temperatures of 40 degreesC and above, the use of the spacer RD 05 is recommended The contactors HS 1 are 1 HP wide and correspondingly the HS 2 or HS 3 are then 2 HP or 3 HP wide. .
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