Hover over image to zoom in


Availability: Obsolete
OBSOLETE 16-Point Breakout Board with Mechanical Relays and Header Connector, for High-Density Digital Output Modules

Production Specification

*** NOTE: This part is OBSOLETE and no longer available when current stock is depleted. ***

The SNAP-TEX-MR10-16C breakout board is designed for high-current switching of outputs through SNAP high-density digital (HDD) output modules. The board includes 16 mechanical relays, one for each point, that can switch up to 10 A per point. (Without the breakout board, SNAP HDD output modules can switch a maximum of 0.75 A per point.)

The SNAP-TEX-MR10-16C includes on/off indicators for each point, and each point can be wired for normally closed or normally open. The board requires 24 VDC power.

A header connector allows two MR10-16C breakout boards to connect to one SNAP-ODC-32-SRC 32-point digital output module using a SNAP-HD-G4F6 cable. The advantage of using this breakout board and cable with the module is that you do not have to wire them; simply snap the cable onto the top of the module and then plug the other two cable ends into the header connectors on the two boards.

NOTE: A replacement relay, the SNAP-MR10, is available.

Build your system in the SNAP I/O Configurator.



Use with I/O modules


Use with cables

For one high-density SNAP-ODC-32-SRC module, use a SNAP-HD-G4F6 cable to connect two breakout boards to one module.

For four 4-point modules, use SNAP-TEX-CBO6 (odd pins bussed) or SNAP-TEX-CBS6 (no bussing), depending on module.

Use with jumper straps


Relay contacts

SPDT (1 Form C)
Typical life expectancy (Electrical): 1 x 10

Switching capacity

10 A @ 250 VAC

Switch On time

7 ms nominal

Switch Off time

3 ms nominal


24 V fuse for board. Opto 22 p/n SNAP-FUSE1AC


16 On/Off status indicators (one for each channel)
1 fuse-blown indicator

Power requirements (all positions On)

24 VDC @ 300 mA

Agency Approvals



30 months from date of manufacture

SNAP TEX Cables and Breakout Boards Data Sheet

SNAP TEX cables and breakout boards are part of the SNAP TEX family of wiring and mounting accessories. These parts save time and expense during installation, maintenance, and debugging by reducing the time and effort required to wire field devices to SNAP I/O modules. This data sheet covers the following part numbers:

Opto 22 RoHS 3 Statement of Compliance - Restriction of Hazardous Substances

This document is a statement of compliance with the EU Directive 2015/863/EU, Restriction of Hazardous Substances (RoHS 3). This document lists Opto 22 products that comply with the substance restrictions of the RoHS 3 directive.

UL Approval Document

This document lists all Opto 22 part numbers that have the Underwriters Laboratory (UL) approval.

CE Declaration: Low Voltage

This document is the Manufacturer's Declaration for the listed products as mentioned in the attachment - to which this confirmation refers - that they are in accordance with the mentioned European, international and/or national standards and regulations.

No downloads are available for this product.

Video: SNAP TEX Wiring and Mounting Accessories

A quick overview of SNAP TEX wiring and mounting accessories.