Oceanic Systems
NMEA2000 Relay output module
£294.00
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3478
NMEA2000 module driving 8 isolated relays from switch bank control messages, rated 8 A at 35 V DC or 16 A at 250 V AC.
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Available for collection or delivery in ~2 days
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Oceanic Systems 3478 Relay Output Module lets messages on the NMEA2000 network directly control eight power relays using standard NMEA2000 switch bank control messages. Each relay is fully isolated and can be wired into any mix of DC or AC control circuits, switching up to 8 Amps at 35 Volts DC or up to 16 Amps at 250 Volts AC on a resistive load. A tell-tale green LED on each output shows when that relay is operated.
Connections use boat-builder WAGO cage clamp terminals that accept solid or stranded wire from 0.08 to 2.5 mm2 for quick, secure wiring. The module responds to the standard Switch Bank Control PGN from any NMEA2000 controller and transmits the Switch Bank Status PGN every two seconds to keep the network updated.
PRODUCT DETAILS
- Controls 8 fully isolated power relays
- Driven by NMEA2000 switch bank control messages
- Up to 8 A at 35 V DC per relay
- Up to 16 A at 250 V AC resistive per relay
- Tell-tale green LED on each output
- WAGO cage clamp terminals 0.08 to 2.5 mm2
- Transmits switch bank status every 2 seconds
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Key specifications
| Relays | 8 fully isolated power relays |
| DC rating | Up to 8 A at 35 V DC per relay |
| AC rating | Up to 16 A at 250 V AC resistive per relay |
| Control | Standard NMEA2000 Switch Bank Control PGN |
Electrical
| Operating voltage | 9 to 32 Volts |
| Power consumption | 30 to 340 mA |
| Load equivalence number | 7 |
Connection
| Terminals | WAGO cage clamp 0.08 to 2.5 mm2 |
Physical
| Size | 143 x 113 x 53 mm |
Environmental
| Degree of protection | IP40 |
| Operating temperature | -25 C to 50 C |
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What can each relay switch?
Each fully isolated relay can switch up to 8 Amps at 35 Volts DC or up to 16 Amps at 250 Volts AC on a resistive load, and can be wired to any mix of DC or AC circuits.
How is it controlled?
It responds to the standard NMEA2000 Switch Bank Control PGN from any NMEA2000 controller, and transmits the Switch Bank Status PGN every two seconds.
How do I know when a relay is on?
Each output has a tell-tale green LED that lights when that relay is operated.
