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The MAC 3 is a double chamber design float-type, liquid level switch that uses a micro-type switch for the switching operation. NO POTENTIALLY DANGEROUS MERCURY IS USED IN THIS SWITCH! The case and cable are hermetically sealed via re-injection molding (NOT BY GLUEING). The latching ball design provides excellent resistance to nuisance trips due to fluid turbulence. The MAC 3 can be used safely in drinking water or any other fluids that are compatible with the body and cable materials as listed below. The MAC 3 is supplied SPDT for either PUMP UP or PUMP DOWN applications. The differential (inches pumped) can range from as little as 6 inches to 4 feet, depending upon tether length (cable length from tether point to switch end).
SPECIFICATIONS
WETTED SURFACES:
Body - polypropylene, Cable - PVC or Neoprene available.
MICROSWITCH SPECS:
Contact rating: 15 amps@ 125/250 VAC 50/60 Hz (UL 90 amps locked rotor test)
Contacts: solid silver
Electrical Life@ maximum load: 100,000 operations
Mechanical Life: 10,000,000 operations
Insulation Resistance: 100 Mohm
Approvals: UL E23301 (N), CSA LR 23413
OPERATING SPECIFICATIONS:
Minimum fluid specific gravity: 0.72
Maximum pressure: 75 psi
Operating temperature range: 32 to 122 deg F (0 to 50 deg C)
Storage temperature range: -4 to 176 deg F (-20 to 80 deg C)
