The Maretron MPower CBMD12 is a 12‑channel manual bypass module for 12 V and 24 V DC marine systems, providing reliable ON/OFF control if the CLMD12 or NMEA 2000 network fails.

• 75 A maximum current capacity
• Outputs: 2 × 12 A, 6 × 10 A, 4 × 5 A
• Compatible with 12 V and 24 V DC power systems
• 12 Carling Technologies Curvette rocker switches — no arcing during manual override
• Overcurrent protection via ATC standard fuses; fit correct fuse ratings per circuit
• One switch per circuit; not suitable for paralleled outputs
• Provides manual ON/OFF control when CLMD12 or NMEA 2000 are unavailable

Install alongside a CLMD12 as a fail‑safe manual control. The CBMD12 uses standard ATC fuses (do not move fuses to switch circuits). Datasheet Manual