860-928-6551 Putnam, Connecticut

ZERO SPEED SWITCHES

Stop an entire operation if one machine fails.

Zero Speed Switch Installation Accessories

Speed Switch devices coupled to a corresponding shaft must be properly mounted and aligned to avoid putting extra load on motor bearings, which may cause premature failure. The use of installation accessories such as Mounting Brackets and K-Couplings provide a secure foundation and eliminate misalignment connection problems.
Speed Swich Installation on Rotary Feeder

Mounting Bracket

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Speed Switch MB-1 MB-2
2100 Series  
4100 Series  
8100 Series  
2100 EP Series  
8100 EP Series  

Speed Switch attached to a Mounting Bracket

K-Couplings

The K-Coupling® is made of double-loop ELASTACAST® polyurethane elastomeric material assembled to zinc plated steel hubs, which mount to shafts using Allen screws. Motor noise and vibration will be dampened. Bearings will last longer and require less maintenance.

How To Order

When ordering, make sure the torque requirement is within rating limits, and always include the bore size for both ends of the coupling, which may not be the same.

Example: 5801 1/4″ x 5/16″

Notes:

  • Bore tolerances are AGMA Class 2 – 000 + .002
  • All standard coupling hubs are zinc plated steel

Keyways may be obtained on Series 5803 and 5804 couplings for an additional cost.

Standard keyways are: 1/8″ for 1/2″ dia. shaft; 3/16″ for 9/16″ and 5/8″ dia. shafts

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Available Bore Sizes Series 5801 Series 5802 Series 5803 Series 5804
3/16″  (4.76 mm)      
1/4″ (6.35 mm)    
5/16″ (7.94 mm)    
3/8″ (9.53 mm)  
7/16″ (11.11 mm)    
1/2″ (12.70 mm)    
9/16″ (14.29 mm)    
5/8″ (15.88 mm)    
Torque Capacity 0.25 ft-lb (0.34 Nm) 1.0 ft-lb (1.36 Nm) 2.33 ft-lb (3.16 Nm) 3.33 ft-lb (4.51 Nm)
Maximum
Misalignment
10° angular 3/32″ parallel 15° angular 1/8″ parallel 15° angular 3/16″ parallel 15° angular 1/8″ parallel

Stub Shaft

STSH-500 Stub Shaft
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Part No. Shaft Diameter (A) Thread Size (B)
STSH-500 1/2″ (12.70 mm) 1/2-13 UNC-2A
STSH-625 5/8″ (15.88 mm) 5/8-11 UNC-2A

Stub Shaft includes one Jam Nut

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