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Quanzhou Zhonghan Trading Co., Ltd
MURPHY water level switch EL150K1
NegotiableUpdate on 05/17
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Overview
The MURPHY water level switch EL150K1 is a floating ball type liquid level monitoring device that integrates liquid level display and low limit switch functions. It uses a brass floating ball with a die cast aluminum polyurethane coating shell, with a protection level of IP35. It can withstand a maximum temperature of 121 ℃ and a pressure of 25psi (172kPa). The liquid level is displayed in real time through the floating ball moving pointer. When the liquid level drops to the preset lower limit value, the switch circuit will be closed, triggering an alarm or equipment shutdown. It is mainly suitable for low-pressure systems such as engine cooling systems and expansion tanks, and can also monitor the liquid level of lubricating oil, hydraulic oil, diesel and other media
Product Details
MURPHY water level switch EL150K1
MURPHY water level switch EL150K1
1、 Product model
Core model:EL150K1Belonging to the Mofi L150/EL150 liquid level switch series, it is a dedicated integrated liquid level monitoring model.
2、 Core materials
Shell: Die cast aluminum substrate+polyurethane coating, balancing structural strength and corrosion resistance
Float ball: made of brass material, suitable for various industrial media, excellent temperature and pressure resistance
Mirror: polycarbonate, with good transparency and impact resistance
Sealing components: O-ring made of saturated nitrile material, sealing cover made of nitrile material, suitable for coolant, hydrocarbons and other media
Pipe: 1/4 × 5 inch pure copper pipe, equipped with pipe fittings, with strong sealing performance
Internal contact: Metal alloy contact, suitable for high and low voltage circuit on/off
3、 Product performance
Integrated dual function: real-time liquid level mechanical pointer display+low liquid level automatic switch trigger, no additional sensing equipment required, response without delay
Circuit on/off: Single pole double throw (SPDT) contact switch, can directly trigger equipment alarm or shutdown, suitable for industrial control conventional circuits
Environmental adaptation: Protection level IP35, dust-proof and splash proof, capable of stable operation under vibration conditions such as mobile devices and ship engines
Media compatibility: can monitor various non corrosive industrial media such as coolant, lubricating oil, hydraulic oil, diesel, etc
Stability of working conditions: Suitable for both normal and pressurized working conditions, precise liquid level monitoring, and no drift at low liquid level trigger points
4、 Core Technical Parameters Table
| parameter item | technical indicators |
|---|---|
| temperature tolerance | 250°F（121℃） |
| work pressure | 25psi（172kPa/1.72bar） |
| Rated current of switch | 10A @ 125VAC； 0.5A @ 125VDC； 10A @ 30VDC |
| Backup small load specification | 2A @ 30VAC/DC (single throw, single throw) |
| Pipe specifications | 1/4 x 5 inches (6 x 127mm), 1/4 NPT pipe connection |
| Wiring specifications | Three 18 AWG x 14 inch (1.0mm x 356mm) jointed wires |
| Installation hole specifications | 2 9/32 inch (7mm) apertures with a center to center distance of 4-1/2 inch (114mm) |
| Product dimensions | Approximately 5 x 4-3/4 x 2-3/4 inches (127 x 121 x 70mm) |
| Net weight | 42oz（1.2kg） |
| Electromagnetic Compatibility | Compliant with 89/336/EEC EMC Committee standards |
5、 Applicable purpose
Core applications: Engine atmospheric/pressurized cooling system, expansion tank, condenser/cooling box, water vapor pressure regulation/evaporation system
Expanded applications: Level monitoring and low level alarm/shutdown for lubricating oil tanks, hydraulic oil tanks, and diesel engine fuel tanks
Applicable scenarios: Low pressure hydraulic systems for industrial fixed equipment, mobile engineering equipment, ship engines, etc., suitable for industries such as machinery manufacturing, ships, power units, etc
6、 Packaging specifications
Outer box size: 5-1/4 x 5-1/4 x 5-1/2 inches (133 x 133 x 140mm), hard corrugated cardboard box+moisture-proof film coating
Internal protection: the main body of the product is wrapped with shockproof foam, and the accessories are separately sealed to avoid damage caused by transportation vibration
Standard accessories: EL150K1 host, dedicated wiring, installation fasteners, product certificate, installation and use manual
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Full box weight: about 1.5kg including packaging, meeting the packaging protection requirements for cross-border transportation and industrial warehousing
