| Attribute | Value |
|---|---|
| Product Name | Spirax Sarco LC3050 Level Controller |
| Manufacturer | Spirax Sarco Limited |
| Model | LC3050 |
| Signal Circuit | Design Limits: 30–10,000 µS/cm @ 25°C |
| Water Temperature | 0–239°C |
| Response Time | 6 Seconds |
| Wiring Requirement | Copper Conductors Only |
| Ambient Temperature | 0–55°C |
| Front Panel Rating | NEMA 4 / IP65, Pollution Degree: 2 |
| Relay Ratings | 1A Tungsten Filament, 3A Lamp/Resistive C300, 1/10 HP (120VAC), 1/4 HP (240VAC) |
| Mains Supply | 50/60 Hz 220/240V – 30mA 110/120V – 60mA |
| Additional Codes | 4025528/1 LC3 4025578/1 |
| Country of Origin | United Kingdom |
| Weight | 600 gm |
| Ref No(s) | 63523 |
What is a Spirax Sarco LC3050 Level Controller?
The Spirax Sarco LC3050 is an electronic level controller designed for steam boilers and condensate systems. It provides continuous water level monitoring with conductivity probes and controls feedwater supply or alarms according to the setup configuration.
This controller forms part of Spirax Sarco’s well-known boiler automation solutions and is often used with level sensing electrodes to maintain safe operating conditions. Its highly reliable control logic ensures stable water level management even in demanding marine and industrial environments.
Key Features of the Spirax Sarco LC3050 Level Controller
1. Advanced Level Monitoring
The LC3050 continuously monitors boiler water levels in real time to prevent both low-water and high-water conditions.
2. Compatibility with Conductivity Probes
The unit integrates with Spirax Sarco level probes to ensure correct readout and long-lasting integrity.
3. Multiple Control Modes
Supports various operational modes, including:
- Feedwater pump control
- Alarm signalling
- Control options: On/Off or modulating
4. LED Status Indicators
Clear LED indications permit fast diagnosis of operating states, faults, or alarm conditions.
5. High Reliability for Harsh Environments
Designed specifically for industrial and marine steam systems where temperature, vibration, and electrical noise may interfere with normal operation.
6. Fail-Safe Design
Incorporates safety interlocks and automatic shutdown to safeguard the boiler from hazardous conditions.
7. Easy Integration
Can be installed with existing Spirax Sarco components or retrofitted as a replacement.
Applications of Spirax Sarco LC3050 Level Controller
Marine Boilers
It is used in ship steam systems to provide stable water level control during transient load conditions.
Industrial Steam Boilers
Common in process plants such as:
- Food processing
- Paper mills
- Chemical manufacturing
- Medicines
Power generation
Ensures safety during boiler operations within turbine-driven power.
Heating & HVAC Systems
Controls condensate and water levels in heating circuits, and commercial boiler plants.
OEM Steam Equipment
Widely applied by equipment manufacturers in packaged boilers and skid-mounted steam systems.
Why Choose a Spirax Sarco LC3050 Level Controller?
1. Proven Industry Reliability
Spirax Sarco is the worldwide leader in steam engineering. The LC3050 is engineered for a long service life and consistent performance.
2. Improved Boiler Safety
Its fail-safe design significantly reduces risks with low-water levels, one of the most critical hazards in boiler operation.
3. Reduced Maintenance Costs
Accurate level monitoring helps in preventing the damage to feed pumps, burners, and boiler internals.
4. Improved Fuel Economy
Through optimal water-level maintenance, the LC3050 minimizes energy waste and assures higher combustion efficiency.
5. Easy Replacement for Legacy Systems
Many industries choose this controller as a direct replacement for older Spirax controllers due to its compatibility and ease of installation.
6. Ideal for Industrial Automation
Perfect for upgrading steam systems to achieve better control, monitoring, and operational efficiency.
