3140 - 4-Channel DTMF Telephone Relay Switcher

Simply plugs into your telephone line* and provides 4 independently controllable relay outputs. You can then call your number using a DTMF (tone dialling) telephone from anywhere in the world and remotely turn on/off any of the relays as desired.

It is possible to connect a wide variety of devices to the relays for example security lights, heating and pump controllers, computers, etc.

The user can set a 4-digit security Password, Tamper facility, number of Rings to Answer, Auto Hang-up time and Lockout facility. Compatible with all European, North American and Asian phone networks.

Supplied with a high quality custom made case.

Technical Specifications
Power	Regulated 12Vdc (Order Code PSU445 is suitable)
Current Consumption	150mA max (30mA standby plus 30mA per active relay)
Outputs	4 x SPDT Relays
Maximum Output Load	5 Amps @ 250Vac max. per relay (Relay Datasheet)
Relay Connections	C, NO, NC (Relay FAQ)
User Settings	1. Password (4 - 8 digits) 2. Tamper (0 - 9 attempts) 3. Rings to answer (0-9) 4. Auto hangup time (00 - 99 seconds) 5. Lockout time (00 - 99 minutes)
Dimensions	130W x 110D x 30H mm
Connections	Power: 5.5 x 2.5mm DC socket Relays: 4 x 3-way pluggable screw terminal blocks Phone: RJ11 type
Compatibility	* This product can be connected to any analogue or broadband phone line and both corded or cordless (analogue and DECT) telephone sets. This product is not compatible with PABX systems, digital phone systems or phone systems outside the UK. PABX is a special telephone exchange system used in many large companies.
Product Format	Electronic Kit (KT ) or Assembled (AS) more
Documentation	User Manual

• Not suitable for digital office handsets used on PABX digital telephone exchange systems

Additional Items Required

• Power Supply: Regulated 12Vdc (Order Code PSU445 is suitable)
• BT to RJ11 Phone Cord (Order Code 283.933 for UK phone systems)