System Expansion Devices
From relay units and input expanders to multi-purpose call latch modules and paging transmitters, we manufacture a wide range of devices designed to enhance or expand new or existing 800 Series systems.
System Expansion Devices There are 3 products.
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Call Latch Module
NC889 Call Latch Module
NC889A discreet monitoring module that allows any device with a normally open or normally closed switch to generate a Standard call on an 800 Series Call System. Measures just 25 x 20 x 15mm - ideal for locating inside or alongside the monitored device. Red reassurance LED illuminates when a call is made. Can be connected to panic buttons, door bells, radio... A discreet monitoring module that allows any device with a normally open or normally closed...
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Multi-Purpose Call Latch Module
NC889ERM Multi-Purpose Call Latch Module
NC889ERMA multi-purpose monitoring module that allows any device with a normally open switch to generate a Standard or Emergency call on an 800 Series Call System. Includes a Red reassurance LED that illuminates when a call is made and an onboard magnetic reset facility for cancelling calls. Measures just 30 x 20 x 15mm. Multiple wiring options via the... A multi-purpose monitoring module that allows any device with a normally open switch to generate...
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12V Relay Unit
NC883D 12V Relay Unit
NC883DA general purpose, double-pole, polarised 12V 5A relay ideal for triggering sirens, strobes, door releases and other third-party equipment connected to an 800 Series call system. Can be triggered directly from any of the call system’s signal lines provided +12V and -V are supplied to its supply terminals. Typically used to switch extra low voltages.... A general purpose, double-pole, polarised 12V 5A relay ideal for triggering sirens, strobes, door...