ISA 32 Switched Relay Output Digital Interface

Part: 3098   Model: REL-32

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The 3098 ISA digital I/O interface relay output adapter provides four banks of eight switched Reed relays. The card’s DB-37 connector brings out the A-side of all relays while the optional B-side connector brings out the B-side and commons of all relays to a second DB-37 connector. This allows access to both sides of all 32 switches. The REL-32 can easily be configured as 32 independent relays, or as a 4×8, 2×16 or 1×32 matrix switch.

Sealevel’s SeaIO Classic software drivers and utilities make installation and operation easy using Microsoft Windows operating systems.

Get a jump start on your digital I/O development with The Digital I/O Handbook that will provide helpful information that you will use again and again. Check out Chapter 1 for an overview of logic principles.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.


Additional information

Board Connector


Contact Current

500 mA

Contact Voltage


Digital I/O

Switched Relay Outputs

Extended Temperature

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Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)


Number of Inputs/Outputs

32 Outputs

Operating Temperature

0°C to 70°C (32°F to 158°F)

# of Ports


Power Requirement

+5V @ 800mA+12V @ 50mA

Storage Temperature

-50°C to 105°C (-58°F to 221°F)

  • 32 Reed relay outputs (SPST)
  • 4 sets of relays with each set having 8 relays
  • Highly reliable 10VA DIP Reed relays
  • Selectable I/O port addressing (200H – 3F8H)
  • SeaI/O Classic software supports Windows 98, ME, NT, 2000, XP and Vista operating systems
  • Software support for DOS, Linux, Windows 3.1 and Windows 95 available


Datasheet: 3098


Manual: 3098


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