The P-Bus relay module CMR 431 S is a digital switching interface for the Philippi P-Bus system, which digitally switches up to 4 single-pole consumer circuits, each with a maximum of 30 A, and is controlled and monitored via the PSM3 or PSL system monitors. It is suitable for yachts, motorhomes and vehicles with higher current requirements per circuit, such as for anchor winches, pumps or compressors.
- Centrally switches high-power consumers (up to 30 A per channel) via the P-Bus on-board network, without any separate relay wiring
- Main/Secondary function: a switching command can control several outputs simultaneously, e.g. to switch lights on and off in several places
- Reporting function displays statuses and events directly on the monitor, including warning messages
- Manual emergency operation possible: each output channel can be bypassed by repositioning the fuse or circuit breaker
In the on-board network, the Philippi P-Bus relay module CMR 431 S takes over the digital switching of circuits that classic relay modules such as the CMR 411 cannot cover due to their current load. Instead of individual mechanical switches on the distributor, the P-Bus system monitor takes over the central control and monitoring of the consumers, while the CMR 431 S acts as a switching interface directly on the circuit. The module is available in two versions: with ATO fuse or with circuit breaker.
| Feature | Value |
|---|---|
| Switching channels | 4 (1-pole) |
| Current load per channel | 30 A |
| Inputs | 4 |
| Dimensions | W 140 x L 180 x H 50 mm |
| Fuse version | ATO fuse, item no. 0 7100 0431 (SKU 071000431) |
| Circuit breaker version | Circuit breaker, item no. 0 7100 1431 (SKU 071001431) |
The CMR 431 S is part of the Philippi P-Bus system and is operated together with the PSM3 or PSL system monitors. It complements other P-Bus relay modules such as the CMR 811 (8 channels, 10 A) or the CMR 411 (4 channels, 10 A, with PWM dimmer) and can thus be precisely matched to the respective power requirements of the consumers on board.
What is the difference between the CMR 431 and the CMR 411?
The CMR 431 is designed for higher currents (30 A instead of 10 A per channel), but does not have the PWM dimmer function of the CMR 411.
Which consumers is the CMR 431 suitable for?
For single-pole consumer circuits with higher current requirements up to 30 A per channel, which are to be switched digitally via PSM3 or PSL.
Is emergency operation possible in case of failure?
Yes, each output channel can be bypassed by repositioning the fuse or circuit breaker, so that the circuit remains manually operable.
If you have any questions about compatibility with your P-Bus system, we will be happy to advise you.
⚠️Safety data sheet can be found under Downloads!
