Mercury Displacement Industries, Inc. (MDI, Inc.) Datasheets for Liquid Level Switches

Liquid level switches are used to detect specific liquid levels or interfaces between liquids. These level measurements are indicated via an electrical switching action.
Liquid Level Switches: Learn more

Product Name Notes
High (25) AMP Float Switch "L" Series switch Temperature: 82°C/180°F Material: A.B.S. Ratings: 25 AMP 1 H.P. @ 120 VAC 2 H.P. @ 240 VAC Operating Angle (for Normally Open...
High Amperage Switch: Up to 18 AMP @ 277 VAC Up to 2 H.P. @ 250 VAC
VS Series Sump Pump Switch Ratings: Up to 10 AMP @ 120/240 V 50/60 Hz. Up to 1/2 H.P. @ 120/240 V 50/60 Hz.
F-BLK-20 - 20' 16 AWG F-BLK-40 - 40' 16 AWG 2 AMP @ 120 VAC 1 AMP @ 240 VAC Normally Open - Narrow Angle
F-BLU-20 - 20' 16 AWG F-BLU-40 - 40' 16 AWG 13 AMP @ 120 VAC 5 AMP @ 240 VAC Normally Open - Narrow Angle E-BLU-20 - 20' 16 AWG...
F-RED-20 - 20' 16 AWG F-RED-40 - 40' 16 AWG 2 AMP @ 120 VAC 1 AMP @ 240 VAC Normally Closed - Narrow Angle
F-YEL-20 - 20' 16 AWG F-YEL-40 - 40' 16 AWG 13 AMP @ 120 VAC 5 AMP @ 240 VAC Normally Closed - Narrow Angle E-YEL-20 - 20' 16 AWG...
The Twin Float pump switch consists of two floats, each float contains a mercury switch. One of the two floats contain a heavy-duty relay, which enables the floats to function...
These floats are: Material: HIPS or ABS Ratings: 160 µA to 100 mA Operating Angle (for Normally Open or Pump Down). Contacts close @ 25° or before horizontal Contacts open...
These floats are: Material: HIPS or ABS Ratings: 160 µA to 100 mA Operating Angle (for Normally Open or Pump Down). Contacts close @ 45° above horizontal Contacts open @...