Interface Relays and Timers

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Relays and Timers

Interface relay NPN version Ref: S312N

Interface relay . This device accepts a variety of input conditions (Voltage, Logic, Closed Circuit and Open Circuit) for interfacing various signals via voltage free DPCO contacts.
With a self adhesive backing for easy mounting. Four mounting holes are also provided for more permanent fixing.
The supply voltage is 12vdc

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Price: £14.36 (Excluding VAT at 17.5%)

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Interface relay 24 volt Ref: S312N24

Interface relay as above but for 24 vdc operation

Price: £21.80 (Excluding VAT at 17.5%)

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Interface relay PNP version Ref: S312P

Interface relay . This device accepts a variety of input conditions but in the opposite sense to the S312N. In other words when voltage is applied to the input the relay de-energises rather than energising.

Price: £14.05 (Excluding VAT at 17.5%)

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Interface relay. Timed version Ref: S312T

Interface relay . This device accepts a variety of input conditions (Voltage, Logic, Closed Circuit and Open Circuit) for interfacing various signals via voltage DPCO contacts.
The S312T is sililar to the S312N but its action can be delayed by up to about 30 seconds. This can be adjusted with the on board potentiometer. This can be a useful feature where it is necessary to delay one action slightly to allow another.
It is supplied with a self adhesive backing for easy mounting. Four mounting holes are also provided for more permanent fixing.

Price: £15.61 (Excluding VAT at 17.5%)

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Interface relay SPCO version Ref: S320

Interface relay . This device accepts a variety of input conditions for interfacing various signals (Voltage, Logic, Closed Circuit and Open Circuit). Output via voltage free SPCO contacts. With a self adhesive back for easy mounting.

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Price: £8.89 (Excluding VAT at 17.5%)

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Universal Timer Ref: S351

Universal timer module with two timing ranges 1 - 60 sec's & 1 - 60 mins. Volt free DPCO relay contacts are rated at 1A/30vdc resistive. Multiple trip modes. A-stable operation for pulsing sounders etc. This versatile unit can also be used as a commutating relay ie one pulse energises the relay and a further pulse de-energises the relay.

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Price: £36.20 (Excluding VAT at 17.5%)

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Smoke alarm converter Ref: S300

Smoke alarm converter module. Enables most domestic smoke alarms to be connected to a conventional intruder alarm system. The module requires 12 volts dc from the intruder alarm control and offers SPCO output contacts that can be connected to either a specific 24 hour fire zone or the antitamper zone. The unit installs within the smoke alarm in place of the PP3 battery. The 12vdc is converted to 9vdc to allow the smoke alarm to function at its correct voltage. You will never need to replace the smoke alarm battery again and the smoke alarm sounder will of course continue to function as normal.

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Price: £12.43 (Excluding VAT at 17.5%)

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Universal Timer 24 vdc version Ref: S351/24

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Price: £64.28 (Excluding VAT at 17.5%)

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