Excellent support when we had integration questions. The product met our standards.
🔍 Hover to zoomReliable digital I/O relay module designed for harsh industrial and marine environments with high switching capacity
| Brand | KONGSBERG |
| Model | RDIOR420 |
| Voltage | 24V DC |
| Country of Origin | Norway |
| Weight | 0.4 kg |
| Dimensions | 120 x 100 x 75 mm |
| Certifications | CE, UL, DNV-GL, ABS |
| SKU / MPN | RDIOR420 |
| What’s in the box | RDIOR420 Relay Module, Mounting Bracket, User Manual, Connection Diagram |
| Number of Channels | 4 Digital Inputs / 4 Relay Outputs |
| Input Voltage | 24V DC |
| Output Type | Form C Relay (SPDT) |
| Contact Rating | 5A at 250V AC / 30V DC |
| Response Time | <10 ms |
| Operating Temperature | -25°C to +70°C |
Key benefits: Robust design for marine/offshore use, 4 isolated relay channels, wide operating temperature range, LED status indicators, easy DIN-rail mounting, long mechanical life
Typical applications: Engine room automation, ship control systems, offshore platform monitoring, pump and valve control, industrial process automation, power management systems
Lifecycle: Active product, expected availability 5+ years
Excellent support when we had integration questions. The product met our standards.
Please contact us if you need product documentation or technical information.





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