Relay Board 5V Single DPDT S4440

The S4440 is a handy relay board fitted with a 5V (S4134) relay. Two sets of changeover contacts are provided.
An on board LED illuminates when the relay is activated. Size: 32.5W x 22.5Dmm. 3.2mm hole size.

For 5 way "snap off" strip relay board see S4441.
For 12V operation use S4442 board.
For 24V operation use S4444 board.

For information and specs on the relay, see S4128B