Designed to control the connection and disconnection of devices of security and fire alarm systems, and switching executive devices (lamps, sirens, video cameras, fire extinguishing systems, electromagnetic locks, etc.) to the AC network with a nominal voltage of 220V or DC source up to 28V by closing and opening the relay contacts. The design of the devices is a plastic case with a board installed inside, which is fixed to the base by means of latches.
On the board there are elements of the circuit diagram and output pads. Fastening of the device to building structures is carried out by means of four holes in the base, access to which (as well as to the pads) is provided after removal of the housing, which is fastened by means of latches.
There are two relays in the device, with characteristics: normally open, short-circuited.
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