This flame safety relay monitors burner flame presence for industrial heating systems. It provides safety shutdown functions for gas and oil-fired equipment. Therefore, this component suits boilers, furnaces, and thermal oxidizers.
Physical Dimensions and Weight Specifications
The Honeywell RM7838C1012 features a rugged housing for panel mounting. Its width measures 105 mm for standard cutout dimensions. The total depth reaches 130 mm including the rear terminals. Consequently, technicians can install this relay in burner control cabinets.
| Parameter | Specification |
|---|---|
| Product Model | Honeywell RM7838C1012 |
| Width | 105 mm |
| Height | 140 mm |
| Depth | 130 mm |
| Weight | 0.95 kg |
Interface Types and Connection Layout
The Honeywell RM7838C1012 provides screw-clamp terminals for all field wiring. A separate 15-pin socket carries flame sensor and control signals. The front panel carries LED indicators for flame status and alarm conditions. Hence, operators can verify burner safety at a quick glance.
Component Count and Safety Architecture
This flame safety relay contains one main board with dual microprocessors. The board holds self-checking circuitry for critical safety functions. You will also find two redundant flame detection channels for reliability. An onboard watchdog timer shuts down the system during internal faults.
| Technical Feature | Description |
|---|---|
| Flame Sensor Types | UV or IR (compatible models) |
| Response Time | 2 seconds typical |
| Safety Rating | SIL 3 capable |
| Operating Temperature | -20°C to +60°C |
| Power Supply | 120V AC or 240V AC |
Energy Storage and Power Requirements
The Honeywell RM7838C1012 draws 15 VA from the AC supply. An internal supercapacitor stores fault history for 7 days without power. This storage retains last fault codes during maintenance shutdowns. Therefore, technicians can diagnose past issues after power restoration.
Safety Functions and Certification
The relay includes a manual reset function for lockout conditions. It performs a self-test sequence at every startup. Users can program purge timing and ignition trials via DIP switches. This relay meets NFPA and EN safety standards for burner management.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
Reviews
There are no reviews yet.