Model FS Bulk Material Flow Controller

Description

Model FS bulk material flow controller can be used as a flow/no flow device, or it can be used as a downstream plugged chute detector. The aluminum enclosure is designed for NEMA 4 weatherproof applications, while the explosion-proof version can be used in NEMA 7 vapor explosion-proof and NEMA 9 dust ignition-proof environments. Optional black epoxy coating is also available for additional corrosion resistance.

 

The standard 20 A SP/DT microswitches (or optional 15 A DP/DT microswitches) can be used to control a variety of equipment such as start-stop operations of conveyors, elevators, feeder systems, and even provide control of audible or visual warning alarms. The paddle is stainless steel material and can be easily replaced if worn or damaged. The paddle and counterweight are easily field adjustable to any angular orientation. 

 

The model FS controller is cULus Listed.  

Specs

 Model Switch TypeVoltage RatingNEMA
FS-22 single pole
double throw
microswitches (SP/DT)
20A @ 125V, 250V or 480V AC;
10A @ 125V AC inductive;
 1 hp 125V AC; 2 hp 250V AC,
0.5 A @ 125V DC; 0.25A @250V DC 
NEMA 3S, 4, 4x & 5
FS-52 double pole
double throw
microswitches (DP/DT)
15A @ 125V or 250V AC;
0.75 hp 125V AC; 1.5 hp 250V AC
FS-2D2 single pole
double throw
microswitches (SP/DT)
20A @ 125V, 250V or 480V AC;
10A @ 125V AC inductive;
1 hp 125V AC; 2 hp 250V AC,
0.5A @ 125V DC; 0.25A @250V DC
 NEMA 3S, 4, 4X, 5 & 9 
FS-5D2 double pole
double throw
microswitches (DP/DT)
15A @ 125V or 250V AC;
0.75 hp 125V AC; 1.5 hp 250V AC
FS-2X2 single pole
double throw
microswitches (SP/DT)
20A @ 125V, 250V or 480V AC;
10A @ 125V AC inductive;
1 hp 125V AC; 2 hp 250V AC,
0.5A @ 125V DC; 0.25A @250V DC
NEMA 7 & 9
FS-5X 2 double pole
double throw 
microswitches (DP/DT)
15A @ 125V or 250V AC;
0.75 hp 125V AC; 1.5 hp 250V AC
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