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Relay Board: RLY102




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RLY102
(click image to enlarge)

RLY102

  • Conveniently add relay outputs to your project
  • LED indicator for each relay
  • Two SPDT relays and drivers
  • Accepts TTL logic level inputs
  • Screw terminals for inputs and outputs

See Also: 4-Channel Relay Boards, Passive Relay Boards,


General Description

This relay board provides a convenient way to add relay outputs to your project, allowing you to switch high-current loads such as AC appliances, motors, and more. This board includes two SPDT relays, relay driver circuits, and protection diodes. Simply provide the board with power, connect your logic-level signals to the inputs, and the relay contacts are ready to use. The relay contacts are electrically isolated from the rest of the board, which allows the board to be used in a wide variety of applications, including both AC and DC loads.

With this relay board, any logic-level signal (5V) or higher-voltage signal (up to 30V) can be used to control a relay. Examples of logic-level signals include the outputs of a PC's parallel port, microcontroller output pins, and many others.

The board is available with three different relay coil voltages (5, 12, 24 VDC), allowing you to choose whichever is most conveniently available for your project. Suitable wall power supplies for the 5V and 12V models are available below.

Please note that the relay coil voltage you select has no effect whatsoever on the voltages you can switch with the relay contacts.
Also note that the relay coil voltage you select does NOT affect what voltage is needed for the input control signals. For any of the voltage options (5, 12, or 24V), an input control signal from 2.7VDC up through 30VDC is fine, as long as adequate current is available (see datasheet).

For mounting on a panel, we suggest the rubber feet version (-FT), 1/4" nylon standoffs under the mounting holes, and #6 screws.

For more information, please see:

Features

  • LED indicator for each relay
  • Relay contacts rated for 15A at 250VAC
  • Screw terminals and 0.1" header for input control signals (either can be used)
  • Screw terminals for outputs (accepts 12-24 AWG wire)
  • Screw terminals and DC power jack for power input (either can be used)
  • Approximate dimensions: 3.0" x 3.7"
  • Rubber feet or DIN rail mount
  • Convenient for CNC projects

DIN Rail Mount Version

The relay board is also available with DIN rail mounting clips for quick and convenient mounting where DIN rail is used. The clips allow mounting on standard 35mm rail as well as 32mm rail.

Pricing and Ordering

Product # Description Quantity Pricing RoHS Buy Now
1+ 10+
5V Power:
RLY102-5V-FT Relay Board, TTL, 15A SPDT, 2 relays, 5V DC, Feet $33.00 $30.00 Yes
RLY102-5V-DIN Relay Board, TTL, 15A SPDT, 2 relays, 5V DC, DIN Rail Mount $34.50 $31.50 Yes
WSD050-10-0 Wall Power Supply, Switching, 5VDC, 1A, 5.5 x 2.1mm Barrel, Center Positive, 90-264VAC Input $6.95 $6.50 Yes
12V Power:
RLY102-12V-FT Relay Board, TTL, 15A SPDT, 2 relays, 12V DC, Feet $33.00 $30.00 Yes
RLY102-12V-DIN Relay Board, TTL, 15A SPDT, 2 relays, 12V DC, DIN Rail Mount $34.50 $31.50 Yes
WSD120-04-0 Wall Power Supply, Switching, 12VDC, 0.4A, 5.5 x 2.1mm Barrel, Center Positive, 90-264VAC Input $6.95 $6.50 Yes
24V Power:
RLY102-24V-FT Relay Board, TTL, 15A SPDT, 2 relays, 24V DC, Feet $33.00 $30.00 Yes
RLY102-24V-DIN Relay Board, TTL, 15A SPDT, 2 relays, 24V DC, DIN Rail Mount $34.50 $31.50 Yes

All of the above items are normally stocked. Please call us if you need to verify availability for a specific quantity, or for pricing at higher quantities. Please visit our ordering page for our ordering policies and a list of ordering methods.
What is RoHS? If you need a RoHS version of a non-RoHS product, please contact us.



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