 
 
 

Product Description
ST7800A-1039 Parameters
Product Overview
| Parameter | Details | 
|---|---|
| Part Number | ST7800A-1039 | 
| Product Name | Plug-In Purge Timer | 
| Application | Pre-purge timing for Honeywell 7800 SERIES relay modules | 
| Compatibility | Compatible with Honeywell 7800 SERIES Relay Modules (RM7800, RM7838, RM7840, etc.) | 
| Function | Provides pre-purge timing to purge combustion chamber of unburned fuels | 
Functional Specifications
| Parameter | Details | 
|---|---|
| Purge Time | Fixed 30 seconds | 
| Module Type | Plug-in timer card | 
| Connection | Plugs into 7800 SERIES relay module via edge connector | 
| Power Consumption | Powered through relay module (no additional power required) | 
| Ambient Temperature Range | -40 to 60°C | 
| Mounting | Direct plug-in to 7800 SERIES relay module | 
| Standards Compliance | UL (File No. MP268, Guide No. MCCZ2), CSA (File No. LR95329-3), FM (Report No. 2X0A1.AF), CE | 
 
           
     
     
    