R7861A1026 Honeywell Dynamic Self-Check UV Flame Amplifier
$640.00
7 in stock (can be backordered)
The Honeywell R7861A1026 Amplifier FOR USE WITH RM78XX AND EX78XX Relay Modules, 50/60HZ, 2 OR 3 SEC Flame FAILURE RESPONSE TIME.
R7861A1026 Honeywell Dynamic Self-Check UV Flame Amplifier Datasheet
Overview of R7861A1026 Honeywell Dynamic Self-Check UV Flame Amplifier
The Honeywell R7861A1026 is a dynamic self-checking ultraviolet (UV) amplifier module used in combustion control systems. It works with self-checking UV flame detectors to provide amplified flame signals and continuous diagnostic validation of both detector and amplifier circuits. Its plug-in design fits Honeywell 7800 series relay modules and supports advanced flame supervision in burner safety systems.
Specifications
| Feature | Detail |
|---|---|
| Model | R7861A1026 |
| Amplifier Type | UV / optical, dynamic self-check |
| Flame Failure Response Time (FFRT) | Selectable 2.0 or 3.0 seconds |
| Flame Signal Output | 0.0 to 5.0 V DC |
| Compatibility | Works with C7061A self-checking UV detectors |
| Mounting / Connection | Plug-in edge connector for 7800 series relay modules |
| Minimum Flame Signal (acceptable) | ~1.25 V DC |
| Diagnostics | Self-check mechanism tests electronics and detector path |
| Test Jacks | Provided for measuring flame signal voltage |
| Color Coding | UV detectors and amplifiers often use specific color coding for identification |
Features & Benefits
Self-checking functionality ensures detection reliability and early fault indication
Selectable FFRT allows system tuning for safety and responsiveness
0–5 V DC output enables diagnostic monitoring or integration with control systems
Plug-in design simplifies installation and replacement
Works with Honeywell’s UV sensing modules, providing system compatibility and support
Diagnostic test jacks facilitate maintenance, calibration, and troubleshooting
Applications
Industrial and commercial burner/flame control systems
Boilers and furnaces using UV flame detection
Safety supervision in combustion systems requiring fault detection
Retrofits of older amplifier modules to dynamic self-check versions
Systems needing both flame amplification and continuous diagnostic verification
Installation & Maintenance Notes
Orient the amplifier correctly when inserting into the relay module (connector is keyed)
Use test jacks during commissioning or troubleshooting to assess voltage signal
Monitor for self-check fault conditions; replace module if faults persist
Ensure connectors are clean, dry, and free of corrosion for optimal signal transfer
Handle carefully to avoid bending or damaging the edge connector
| Weight | 2 lbs |
|---|---|
| Dimensions | 6 × 4 × 2 in |
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