3157 - 2-Channel Rolling Code UHF Remote Control Relay Board with Reset

NEW VERSION - now has a reset input on each channel! Two channel high security (rolling-code) UHF remote control relay board for use in a variety of applications. One receiver board can be used with up to 15 transmitter key fobs making it ideal for a multi-user access or control system.

Whether you want to control a garage door or gate, a car and/or home alarm, or perhaps remotely turn lights or anything else on or off, this system is just what you need.

Features

• Each independently controllable channel can be set to operate in either LATCHING or MOMENTARY mode
• NEW! Each channel has a Reset input for connection to a limit switch (not supplied). When used in Toggle mode, the relay with automatically turn off when the limit switch is closed. Ideal for garage doors and other control applications
• Up to 15 transmitters can be uniquely coded to work with the receiver board
• Uses the latest state-of-the-art 433.9MHz rolling code technology making it close-to-impossible to electronically 'crack'
• Typical range is 40 metre plus (line of sight)
• LED relay status indicators
• The Receiver Module (30A17-Rx) is supplied pre-built. The Relay Board that it fits to can be purchased in either kit form (3157KT) or fully assembled (AS3157)
• Supplied with one pre-assembled 2-button key fob style Transmitter Unit (Tx). Extra transmitter units (up to 15 per Receiver board) can be purchased separately (Order Code 30A17-Tx)

Technical Specifications
Relay Receiver Board
Supply	Regulated 12Vdc (Order Code PSU445 with connector 778.106)
Current consumption	Standby <8mA. Add ~30mA for each active relay
Outputs	2 x SPDT Relays (toggle or momentary action)
Maximum Output Resistive Load	5 Amps @ 45Vac/70Vdc (Relay Datasheet)
Relay Connections	NO, NC, C (Relay FAQ)
Inputs	1 reset input per channel (for limit switching)
Dimensions	~ 60 x 85 x 25 mm approx
Connections	Screw terminal blocks
Key Fob Transmitter
Supply	12Vdc battery (supplied)
Typical Range	40 metres line of sight
Dimensions	50 x 35 x 15 mm approx
Product Format	Electronic Kit (KT ) or Assembled (AS) more
Documentation	User Manual

• The product is supplied with all the components to build one complete 2-channel relay board (as pictured)