POPULACE
Comap Controller Auto Mains Failure AMF Generator Controller AMF20
Model: AMF20
Compatible CoMAP AMF20 mid-range AMF generator controller. Supports gensets up to 500 kVA, dual-fuel (gas/diesel) operation, expanded I/O with 9 inputs and 10 outputs, and RS-232/RS-485 communication. 100% bench-tested, 13-month warranty, factory price. Request wiring diagram, datasheet & wholesale quote.
| Warranty | 13 months |
|---|---|
| Place of Origin | Fujian, China |
| Brand Name | POPULACE |
| Model Number | AMF20 |
| Overall Size | 275 × 160 × 95 mm |
| Weight | 0.9kg |
| Certification | CE,ISO9001 |
Applications
- Mid-size gensets up to 500 kVA in commercial buildings, hospitals and data centres
- Dual-fuel (gas and diesel) generator sets requiring dedicated fuel-type logic
- Installations needing RS-485 Modbus for basic SCADA integration
Product Description
The CoMAP AMF20 is a mid-range Automatic Mains Failure controller stepping up from the AMF9 with expanded I/O, dual-fuel support and RS-485 Modbus communication. It suits gensets up to 500 kVA in commercial, industrial and critical-power installations where more measurement points and remote monitoring are required.
Key Technical Specifications
| Control Type | Automatic Mains Failure (AMF) |
| Generator Capacity | Suitable for gensets up to 500 kVA |
| Fuel Type | Diesel and natural gas / dual-fuel |
| Digital Inputs | 9 configurable binary inputs |
| Relay Outputs | 10 relay outputs |
| Analogue Inputs | 4 analogue inputs (oil pressure, coolant temp, fuel level, custom) |
| Display | Backlit LCD with multi-language support |
| Power Supply | 8 – 35 V DC |
| Communication | RS-232 + RS-485 Modbus RTU |
| Overall Size | 275 × 160 × 95 mm |
| Weight | approx. 0.9 kg |
| Certifications | CE, ISO 9001 |
AMF20 vs AMF9 — Key Upgrades
Compared with the AMF9, the AMF20 adds 3 extra binary inputs, doubles the relay outputs to 10, introduces 4 analogue inputs for richer engine telemetry, and includes an RS-485 Modbus RTU port for connection to BMS, SCADA or energy-management systems — making it the preferred choice when the site requires gas-engine support or basic remote monitoring.
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Read Guide →FAQ
Comap controller AMF20 is an Compatible replacement module. We verify pinout, display and setpoints against your panel; configuration support is included before shipping.
Yes. Every module is powered up, I/O-checked and firmware-verified on our test bench before dispatch.
Comap controller AMF20: overall size 275 × 160 × 95 mm, shipping weight approx. 0.9kg. Send your panel or packing constraints and we confirm fit.
Comap controller AMF20 is covered by a 13 months factory warranty. Quality issues within the term are replaced or repaired at our cost.
Comap controller AMF20 carries CE,ISO9001 certification from our ISO9001-certified Xiamen facility.
Yes. POPULACE Electronic Co., Ltd. manufactures generator parts in Xiamen, Fujian - factory visits are welcome.
Yes. Samples are available for testing; express freight (FedEx, DHL, UPS, TNT, Aramex) typically delivers within 3-7 days.
In-stock items ship 2-3 days after payment; larger batches are produced in 3-7 days. Sea, air or express shipping is arranged to your preference.
T/T, PayPal, Western Union, MoneyGram, Alibaba order link and RMB transfer are all supported.
Yes. Detailed terminal connection wiring diagrams and user manuals for AMF20 are available upon request. Contact our technical support with your generator setup to receive the documentation.
The technical datasheet and complete specification sheet for AMF20 can be provided directly by our sales team. Contact [email protected] or submit an inquiry to receive the PDF specification.
Yes. The CoMAP AMF20 includes dedicated logic for natural-gas and dual-fuel generator sets, with configurable sequences for gas valve control and purge timers in addition to standard diesel AMF operation.
The AMF20 upgrades from 6 to 9 binary inputs, from 5 to 10 relay outputs, adds 4 analogue inputs for full engine telemetry, and introduces an RS-485 Modbus RTU port for SCADA connectivity — making it suited for gensets up to 500 kVA and installations requiring remote monitoring.
Yes. The RS-485 Modbus RTU port allows integration with most BMS and energy-management platforms. A full Modbus register map is provided with the documentation package upon order.
20 Years Experience for Genset Parts
POPULACE has 20 years of experience supplying generator parts worldwide — reliable, OEM-compatible, and built for continuous operation.
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