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AS1186KT - 4/8-Channel Telephone Activated Relay Board

Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

You can use this DTMF Decoder board to control up to 8 electrical devices simply by calling your phone from any location in the world and making a few key presses.

Each channel has a mains rated 5 amp relay output that can be independently controlled and an LED indicating the relays status. The relay status can also be verified over the phone line. You can use the relays to control any devices you have in your house, office or factory.

4 number user-settable access code for security. The circuit is PIC based for accuracy and reliability. The unit will answer the incoming call almost immediately (1 ring). This setting is not user adjustable. If you require more flexibility please see our 4-Channel DTMF Telephone Remote Control Relay Switcher (3140).

The board includes an impedance matching transformer. RJ-11 telephone Line-in and Extension-Out sockets. Solder posts for relay and power connections. Solder provided with kit version.

1186KT and AS1186-4 are supplied with relays for 4 positions only. AS1186-8 is supplied with all 8 relaysAdditional relays can be purchased for populating the remaining 4 positions (see Order Code RLYSPDT10A below).

  • Kit version includes solder for assembly.
Supply Voltage12Vdc, 0.5A (Order Code 660.446UK with connector 778.106)
Outputs8 (Four positions populated with SPDT Relays)
Maximum Output Load5 Amps @ 230Vac max. per relay
Relay ConnectionsCommon, Normally Open (the Normally Closed relay contact is present but NOT brought out)
User Settings1. Password (4 digits)
Board Dimensions126 x 134 mm
Board Connections2 x RJ11 Telephone Sockets (Line-In / Extension-Out)
Solder posts for power and relay connections
Compatibility* This product can be connected to any analogue or broadband phone line and both corded or cordless (analogue and DECT) telephone sets and is operated using simple DTMF tones.
Product FormatsSELF-ASSEMBLY Electronic Kit (KT)or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Optional Extras
    • BT to RJ11 Phone Cord (Order Code 113.522UK for UK phone systems)
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