Front office staff is unavailable Fridays for phone calls. Orders received through our website by 2:00pm Central Standard Time, for stock items, will be shipped today. We apologize for any inconvenience this may cause.

DotMatrtix Relay Connector


In stock (can be backordered)

SKU: 660-133-007 Category:


This is the connector required to interface to the internal relay of the DotMatrix displays. This is useful for audible notifications based on alarms or at the end of countdown events.

Pin 1: Approximately +12V maximum current of 50mA
Pin 2: RxD Serial TTL
Pin 3: TxD Serial TTL
Pin 4: Relay Normally Closed
Pin 5: Relay Normally Open
Pin 6: Relay Common
Pin 7: Ground

The internal relay can handle about 1 Amp of power, but can also be used to control a larger relay.

Additional information

Weight1 lbs
Dimensions1 × 1 × 1 in


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.