BEM503 Water cooled Engine Monitor – Heavy-Duty Protection for Industrial Engines
The BEM503 is a rugged electronic engine protection system designed for
stationary industrial engines. Ideal for diesel-powered pumps, compressors, or generators, the BEM502 provides robust fault monitoring and automatic shutdown functionality to ensure operational safety and engine longevity.
- Oil Pressure Monitoring
- High Engine Temperature Detection
- Loss of Coolant Level
- Alternator (Belt Breakage) Detection
- Fuel Solenoid or Run Coil Output
- Dedicated Fault Outputs for Shutdown or Warning
Key Features
- Auto Shutdown: Immediate engine shutdown on any critical sensor fault.
- LED Indicators: Clearly show fault type and system status for diagnostics.
- Memory Storage: Remembers the first fault condition even after power loss.
- Dual Outputs: Control fuel solenoid and optional alarm or relay.
- Temp Gauge 40C to 120C with Temp Sender with Switch – 1/2″, 14NPT
Specifications
| IP Rating | IP56 |
| Sensor Inputs | 6 (preconfigured) |
| Outputs | 2 (Fuel Solenoid, Auxiliary Alarm) |
| Voltage Range | 12–24V DC |
| Current Rating | 30A |
| Dimensions (H × W × D) | 280×190×130 mm |
| Coolant Sensor | Yes |
| Pump Monitoring | No |
| Application | Industrial Engines |
| Typical Price (AUD) | $1,800 |
Price: $1,800 AUD
Contact us today to request a quote or learn more.
Comparison Table
| Feature | Murphy 09PWP12V09 | Bolec BEM503IRN | Bolec BEM503 | Bolec BEM302 |
|---|---|---|---|---|
| IP Rating | IP56 | IP56 | IP56 | IP56 |
| Programmable Timer | Yes | Yes | No | No |
| Auto Shutdown | Yes | Yes | Yes | Yes |
| Fault Memory | No | Yes | Yes | Yes |
| Sensor Inputs | 6 | 6 | 6 | 6 |
| Outputs | 2 | 2 | 2 | 2 |
| Voltage Range | 12–24V DC | 12–24V DC | 12–24V DC | 12–24V DC |
| Current Rating | 10A | 30A | 30A | 30A |
| Dimensions (H × W × D) | 280×190×130 mm | 280×190×130 mm | 280×190×130 mm | 280×190×130 mm |
| Typical Price (AUD) | ~$2800 | $2188 | $1300 | $1028 |
| Pump Monitoring | No | Yes | No | Optional (Spare) |
| Coolant Sensor Support | Optional | Yes | Yes | Optional |
| Application Type | Industrial Engines | Irrigation / Diesel | Industrial Engines | General Purpose |
