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Relays and Timers

Security Products |  Accessories |  Relays and Timers

Interface relay SPCO version 12vdc Interface relay SPCO version 12vdc 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. Requires 12vdc supply.

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Price: £9.12 (Excluding VAT at 20%)

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Interface relay SPCO version 24vdc Interface relay SPCO version 24vdc Ref: S320/24

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. Requires 24vdc supply.

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Price: £10.94 (Excluding VAT at 20%)

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Interface relay NPN version 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.
Requires 12vdc supply.

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Price: £14.72 (Excluding VAT at 20%)

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Interface relay 24 volt Interface relay 24 volt Ref: S312N/24

Interface relay as above but for 24 vdc operation.

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Price: £17.67 (Excluding VAT at 20%)

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Interface relay PNP version 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.
Requires 12vdc supply.

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Price: £14.41 (Excluding VAT at 20%)

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Interface relay PNP version Interface relay PNP version Ref: S312P/24

Interface relay as above but for 24 vdc operation.

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Price: £17.29 (Excluding VAT at 20%)

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Interface relay. Timed version 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.
Requires 12vdc supply.

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Price: £16.01 (Excluding VAT at 20%)

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Interface relay. Timed version Interface relay. Timed version Ref: S312T/24

Interface relay as above but for 24 vdc operation.

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Price: £19.20 (Excluding VAT at 20%)

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Universal Timer Relay Universal Timer Relay 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: £37.11 (Excluding VAT at 20%)

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Universal Timer Relay 24 vdc version Universal Timer Relay 24 vdc version Ref: S351/24

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: £44.53 (Excluding VAT at 20%)

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Smoke alarm converter 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.

Installation Instructions


Price: £12.75 (Excluding VAT at 20%)

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Double Pole Relay Module Double Pole Relay Module Ref: S342-1

A simple double pole change over relay module

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

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Price: £9.74 (Excluding VAT at 20%)

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Panel of 20 Double Pole Relay Modules Panel of 20 Double Pole Relay Modules Ref: S342-20

A panel of 20 of our double pole change over relay modules (Part no. S342). Ideal for van stock, individual modules can be snapped off the panel as required. A discounted price compared to buying 20 separate modules.

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

Product Information Sheet


Price: £164.00 (Excluding VAT at 20%)

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Dual Double Pole Relay Module Dual Double Pole Relay Module Ref: S342-2

Two completely separate double pole change over relays on a single PCB.

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

Product Information Sheet


Price: £17.43 (Excluding VAT at 20%)

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Boxed Dual Double Pole Relay Module Boxed Dual Double Pole Relay Module Ref: S342-2B

Two completely separate double pole change over relays on a single PCB mounted in a standard white plastic single gang enclosure complete with front and back acting tamper switch.

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

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Price: £27.68 (Excluding VAT at 20%)

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Quad Double Pole Relay Module Quad Double Pole Relay Module Ref: S342-4

Four completely separate double pole change over relays on a single PCB.

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

Product Information Sheet


Price: £32.80 (Excluding VAT at 20%)

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Boxed Tri Double Pole Relay Module Boxed Tri Double Pole Relay Module Ref: S342-3B

Three completely separate double pole change over relays on a single PCB mounted in a standard white plastic single gang enclosure complete with front and back acting tamper switch.

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

Product Information Sheet Installation Instructions


Price: £35.37 (Excluding VAT at 20%)

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Boxed Quad Double Pole Relay Module Boxed Quad Double Pole Relay Module Ref: S342-4B

Four completely separate double pole change over relays on a single PCB mounted in a standard white plastic single gang enclosure complete with front and back acting tamper switch.

 12vdc operation
 Volt free DPCO contacts
 Mounting holes
 Screw terminals for easy connection
 Diode protection for polarity and coil back emf

Product Information Sheet Installation Instructions


Price: £43.05 (Excluding VAT at 20%)

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Security Products |  Accessories |  Relays and Timers

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© 2011 Hoyles Electronic Developments Ltd. Sandwash Close, Rainford Industrial Estate, St.Helens, WA11 8LY, UK. Tel +44(0)1744 886600 Fax +44(0)1744 886607