R7851C1008 Honeywell Dynamic Self-Check Flame Amplifier, 2-3 seconds
$1,190.00
R7851C1008 self-check flame amplifier 2 or 3 second. For 7800 and R7140 relay; Flame Signal Amplifier, 2 Second or 3 Second Flame Failure Response Time, Dynamic Self Check, Gas, Oil, Coal: Optical (UV Only ) Flame Sensor C7961E and C7961F, Use with 7800 Series Primary Safety Control, Color: White, Flame Signal Strength Ranges from 0.0-5 Vdc
5 in stock
R7851C1008 Honeywell Dynamic Self-Check Flame Amplifier Datasheet
Overview
The Honeywell R7851C1008 is a dynamic self-checking flame amplifier designed to work with 7800 series relay modules in burner control systems. It amplifies the signal from optical (UV) flame detectors, monitors system integrity, and triggers safe shutdowns if flame signal or internal diagnostics fail. This amplifier features selectable flame failure response times and robust diagnostic capabilities.
Specifications of R7851C1008 Honeywell Flame Amplifier self check, 2-3 seconds
| Specification | Detail |
|---|---|
| Model | R7851C1008 |
| Amplifier Type | Optical (UV) / Dynamic Self-Check |
| Flame Failure Response Time (FFRT) | Selectable 0.8 or 3.0 seconds |
| Flame Signal Output Range | 0.0 to 5.0 V DC |
| Mounting / Interface | Plug-in edge connector for 7800 series modules |
| Self-Check Capability | Tests detectors and electronics to detect failures |
| Diagnostic / Test Features | Flame signal test jacks for voltage measurement |
| Housing / Color | White finish (standard) |
| Compatible Flame Sensors | Optical UV detectors (e.g. C7961 series) |
| Use Case | Amplification in flame safeguard systems |
| Weight & Dimensions (approx.) | Compact size to sit within relay module assembly |
Features & Benefits
Dynamic self-check technology continuously verifies both the flame sensor and amplifier circuits
Selectable FFRT lets you choose a 0.8 or 3.0 second flame failure response time
Outputs a 0–5 V DC flame signal for monitoring and diagnostics
Plug-in design integrates cleanly with 7800 series relay modules
Test jacks allow system maintenance technicians to measure flame signal voltage
Color-coded labeling helps quickly identify correct flame type compatibility
Applications
Flame supervision in industrial and commercial burner systems
Boilers, furnaces, and boilers requiring optical UV flame detection
Retrofitting or upgrading older flame amplifier modules
Systems needing self-diagnostic monitoring for safety integrity
Installation & Maintenance Notes
Insert the amplifier into the keyed socket on the 7800 series relay module
Use test jacks to verify flame signal voltage during system checks
Ensure connectors are clean and free of corrosion for reliable operation
Replace the amplifier if diagnostic self-check faults or flame signal instability occurs
Keep the surrounding area clean and dry to maintain amplifier longevity
| Weight | 2 lbs |
|---|---|
| Dimensions | 4 × 6 × 2 in |
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