Product Description
SDMO APM303 Digital Control Panel, Retrofit Kit P/N 31613621303NE
Brand New, 1 Year International Warranty
Only used on 12 VDC systems
To ensure compatibility, please provide the model and serial numbers of your SDMO/KOHLER unit(s). Once received, I will forward this information to the factory service department to confirm that this is the correct replacement controller kit for your equipment.
Quality:
Individually factory tested and certified
SDMO APM303 RETRO FIT TO NEXYS CONTROL KIT INCLUDES:
01x 31613629300 APM303 CONTROLLER
01x GP41234888 APM303 TO NEXYS BACK PLATE WITH E-STOP AND KEY SWITCH
01x 31607712001 APM303 HARNESS
01x 31613621501NE VOLTAGE REFERANCE WIRING HARNESS ASSEMBLY
01x 31607717301 CHARGING ALTERNATOR APM303 INPUT INHIBITION WIRING HARNESS (MITSUBISHI/LOMBARDINI ENGINES)
01x 31607718701 CHARGING ALTERNATOR APM303 INPUT INHIBITION WIRING HARNESS (LOMBARDINI KDW1003/1404)
01x 31614335401NE CHARGING ALTERNATOR APM303 ALARM EXCITATION WIRING HARNESS (JOHN DEERE)
* This controller will be programmed to your generator specs. When order you must provide the following specs:
Genset Model And serial numbers?
Genset Voltage?
Genset Phases?
Genset CT’S?
The APM 303 is an instrumentation and control system for generating sets. It can be found in the SDMO range for generating sets under 300 kVA.

* 12V and 24V operation
* No ECU communication
* Options available
* Modbus function
* Configurable via PC and screen
* AUTO & MAN modes
The advantages of the APM303:
→ Easy to use → Based on the Nexys → Supervision → Starter and solenoid valve cut off by Emergency Stop → Simple Man Machine Interface → Post-heating for cold countries → Same central console as the Nexys → Stack of 12 events → Retrofit adaptable for Nexys/APM303 → Front of the APM303 controller in IP54
Nexys/APM 303 comparison:
| APM 303 | NEXYS | |
| Power supply voltage | 12/24 | 12 |
| Inputs/outputs | 7/5(6/3 configurable) | 8/7 (all fixed) |
| Electrical measurements | As standard: 3 * U and 3 * l | Optional: 3 * U and 3 * l |
| Analog measurements | As standard: oil pressure, coolant temperature, fuel level | Optional: oil pressure, coolant temperature, fuel level |
| Modbus communication | As standard | Not included |
| CAN bus management | External display | External display |
| Configuration update | Via PC tool and screen | Via screen |
| Dimensions | 108 x 108 (93 x 93 for the cutout) | 310*150 |
| Electrical protection | Min and Max Voltage and Frequency, Short circuit, Overload | Not included |
| Event Stack | 12 | Not included |
Front panel:

Rear panel: connectors

Screens:
