Combination Output Interface (COI) Without Connectors | 80-911-0120-00

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Combination Output Interface (COI)

The complete CZone system in a box!

Digital switching systems just became more cost effective and easier to install, with the new CZone Combination Output Interface (COI). This one box replaces up to five separate units, with convenient Deutsch connectors and IPx5 water resistance, providing a complete CZone system for smaller vessels or RV’s. The COI’s high continuous power output (150 Amps), plus space, installation time and cost savings also make it the perfect building block for larger systems. BEP has pioneered safe, reliable digital switching products for the harsh marine environment. Since its release in 2008, CZone has powered thousands of vessels around the globe including yachts in the last two Volvo Ocean Races. The new COI module builds on that reputation for ultimate reliability and ease of use with a host of new improvements that benefit both the installer and end-user. Partnered with either a dedicated CZone display, or with a Multi Function Display from one of our industry leading integration partners (B&G, Furuno, Garmin, Lowrance, Simrad), the Combination Output Interface heralds a new era in providing simple, intuitive control over the increasingly complex systems found on today’s vehicles and vessels.


  • High density 30 channel module minimizes installation, interconnections and footprint, while delivering best value per circuit
  • Full mechanical fuse protection plus bypass on all circuits as required by ABYC/CE
  • Industry standard Deutsch connectors provide fast, plug-n-play installation
  • Optional cable cover offers improved aesthetics and greater mounting flexibility
  • Proven, rugged CZone design includes IPX5 Water Ingress Protection and NMEA 2000 certification
  • High power Bilge Pump channels allow manual control plus “pump running” feedback from a single channel – without additional wiring
  • USB port provides easy system update from USB flash drive

High Quality Combination Output Interface (COI) CZone system example image, diagram, picture

General specifications
Communication protocol NMEA 2000
Channels 30
Output channels (high) 4 x 25 A
Output channels (low) 12 x 10 A (dimmable)
Analogue inputs 8 (positive or negative switching, 0-32 V), 0-1000 Ohm resistance, 4-20 mA current
Additional monitoring 2 voltage sensors (on main positive stud and NMEA 2000 power)
Circuit current monitoring all 16 output channels
Circuit protection configurable electronic fuse + mechanical fuse and bypass
Digital switch inputs 6 digital input switches with backlight via digital breakout
Max. continuous current 150 A at 40 °C (derating > 40 °C)
NMEA 2000 power consumption 250 mA at 12 V, 180 mA at 12 V standby
Connectors Deutsch
Power supply M8 (5/16”) stud positive, M6 (1/4”) stud negative
Voltage 9-32 V (with power available LED and voltage monitoring)
Bilge pump circuits 4 high current channels: integrated manual control and 'pump running' detection
Protection degree IPx5 (mounted at 0° +/- 90°)
Dimensions (incl. optional cable cover), hxwxd 338 x 235 x 62 mm
13.3 x 9.3 x 2.4 inch
Weight 1.9 kg
4.2 lb
Approvals CE, ABYC, NMEA

Click the links below

Drawings (installation)
Installation manuals