MAMCO - Product Announcements

• Automatic Reset Pressure.
• Wide range of pressure settings that meet variety of applications.
• Used: Pressure controlling of Air, Water, Internal wiring of electric refrigerating equipment or room cooler units, remote outdoor condensing units for domestic cooling systems. Applications: safety controls, air conditioning, refrigeration.

LF19 pressure switches can also be used to regulate the tank pressure between two preset values on one phase electrically driven air compressors. They are available with an unloader valve, which prevents compressors from starting under load, and it is available with an On-Off knob for manual cut off the compressor. (read more)

The LF18 pressure switches are used to regulate the tank pressure between two preset values on 3 phase electrically driven air compressors. They are available with an unloader valve, which prevents compressors from starting under load, and it is available with an On-Off knob for manual cut off the compressor. (read more)

The LF36 pressure switch is a reliable component used with solenoid valve to control the automatic replenishment of water. LF36 is widely used in washing machines, dish washer, water fountain and other electrics or industrial application. (read more)

The MAM007: differential pressure switches are designed for applications involving high operating pressures with a maximum of 5000 psi. It is a fixed set point device that is factory pre-set to any given point between 3 - 100psi. These switches are suitable for monitoring cooling water, lubricants, fluids, air and gases. (read more)

LFS-03 can be applied to detect positive or negative pressure. It can be used as a gauge or differential switch with almost no hysteresis. Pressure Range +15 to +2500 mbar,Vacuum range-600 to-15 mbar. Electrical function: 1 pole NO, 1 pole NC. Temperature: Ambient:-10 to +85. Medium: Non hazardous gas only. (read more)

A rugged water pressure switch designed to meet the requirements of heavy duty industrial pumping applications.

• Visible Contact
• No Drift Pressure Setting
• Captive Cover Nut
• Ample Wiring Room
• 2 Ground Screw
• Easy to Adjust
• Pulsation Dampener Standard
• 5HP Rating
• 250 PSI Max

The AFS is a general purpose airflow proving switch designed for HVAC, more specifically the detection of blocked filters and fan suction, air flow monitoring in ducts, pipes tunnels, and other energy management applications. It can be configured to sense positive, negative or differential pressure. Each side of the diaphragm accepts .25" OD tubing. The enclosure cover prevents accidental conta... (read more)

MAMCO has reached a joint venture agreement with LEFOO Industrial Co.,Ltd. Besides a comprehensive range of standard products from both companies, MAMCO /LEFOO can also offer specific custom solutions, especially designed to meet specific customer requirements. (read more)

The Mamco LF-25 is a compact pressure switch capable of sensing pressures from as low as 2.9 psi up to 130 psi. (read more)

The Mamco LF-20 pressure switches are robust, compact and designed to operate in harsh environments at various pressures (read more)

Mamco Precision Switches partners with Lefoo Industrial Co. LTD and introduces it's second of many additional product families to come in 2007. Mamco and Lefoo are a perfect match to revolutionize the pressure switch industry with their combined 50 years of manufacturing experience. (read more)

The Mamco / Lefoo LF-31 series switch was designed for the HVAC industry where safety and reliability are essential. Available in vacuum, differential and pressure models, with fine silver or gold cross bar contacts. LF-31 is capable of detecting pressures, as low as, .05" of water. Switching current up to 5 amp resistive. Also used in pneumatic OEM applications. (read more)

Now--Available for the First Time—a Breakthrough in Ultra-Low Pressure Switch Design That Helps Avert Normal Contact Resistance, Set Point Instability and Leakage Problems.

Traditional ultra-low pressure, vacuum and differential switches will inevitably wear down in low pressure environments, causing contact erosion, loose terminals, switch instability and leakage. (read more)

MAMCO LF40-01 is a compact electro-mechanical pressure switch with momentary or alternate actions capable of switching high current capacities. Used in pumps (pools/spas), food disposals, outdoor machines and medical equipment. (read more)

The MAM-005 (patent pending) are compact and lightweight switches that reduce the contact resistance, set point instability, and leakage problems that regularly plague their standard commercial counterparts. Pressure set points can be as low as 0.04 in. / H2O with a tolerance of +/- 10% of setting. They come standard with various port configurations. (read more)

The Mamco LF10 H series pressure switches are rugged and reliable devices designed for air systems applications and electrically driven compressors. (read more)