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UNITED ELECTRIC CONTROLS LDP1WC/250P-16
Product Overview
The LDP1WC/250P-16 is a high-performance mechanical float level switch from United Electric Controls (UE), designed for high and low liquid level detection and control in industrial storage tanks, process vessels and piping systems. As an enhanced model in the LDP1 series, it uses an all-stainless-steel construction, sealed magnetic coupling transmission and a single-pole double-throw (SPDT) high-capacity relay output, providing a reliable dry contact signal without external power.
Detailed content
Technical Specifications
- Manufacturer: United Electric Controls (UE).
- Model: LDP1WC/250P-16.
- Product type: Mechanical float level switch (side-mounted).
- Switch type: SPDT micro switch.
- Electrical rating: 250 V AC / 16 A resistive load; 125 V DC / 0.5 A.
- Process connection: 1 inch NPT, 316 stainless steel.
- Float material: solid 316 stainless steel, pressure and corrosion resistant.
- Operating temperature: -40 °C to +150 °C (depending on seal material).
- Maximum working pressure: 250 psi (about 17.2 bar) at 100 °C.
- Protection rating: IP66 (NEMA 4X) for outdoor and wet environments.
- Hazardous area certification: ATEX, IECEx, UL / CSA Class I Div 1 and 2, Zone 1 / 2.
- Mounting: horizontal side mounting; vertical or angled mounting available on request.
- Response time: under 1 second typical, depending on float travel.
Functional Features
- Intrinsically safe mechanical operation, needing no external power and eliminating spark risk.
- Float rises and falls with the liquid level to actuate the internal micro switch precisely and repeatably.
- Dry contact output for high-level overflow alarms or low-level pump protection.
- Directly drives contactors or interfaces with safety instrumented systems.
- All-stainless-steel construction with sealed magnetic coupling for long, maintenance-free service.
- Suitable for water, oil and chemical media.
Applications
- Oil and gas storage tanks and process vessels.
- Chemical, power generation and water treatment facilities.
- High-level overflow alarm and low-level pump protection loops.
Precautions
- Select the seal material according to the medium and temperature, noting that the maximum 250 psi rating applies with a limit of 100 °C, and verify hazardous area certification matches the installation zone.
