Hubbell Switch Limit Switches User Manual

LIMIT SWITCHES  
Series 55 Rotary Limit Switches  
Direct replacement for HWS Series 15 and G.E. Series CR115 switches  
Limit the travel of electrically operated doors, conveyors, hoists, machine tool work tables  
and similar devices. Equipment having rotating mechanisms, or linear motion which can be  
translated into rotational motion, can be controlled by these versatile switches. Available  
with up to four S.P.D.T. or D.P.D.T. switch blocks for control of multiple functions.  
Switches Feature  
• Six gear ratios  
• Right hand, Left hand or Dual shaft  
models (RH shown in photos)  
• Two, Three or Four switches  
• Mount in any position  
• Easy to wire.  
• Rugged die cast enclosures  
• NEMA 4 construction  
(Exceeds requirements of  
NEMA 1 and NEMA 12)  
• High strength steel multi-use input  
shaft; #404 Woodruff key slot,  
0.19 dia. hole and setscrew dimple  
• Switch terminal screws for quick wiring  
• Standard or Extended Dwell cams  
• Easy, precision timing adjustment using  
standard screwdriver and provided tool  
• Industrial grade bearings  
• Industrial duty S.P.D.T. or D.P.D.T. snap switches  
are  
and  
listed  
SWITCH  
INSULATING  
SHIELD  
CAM  
ADJUSTING  
PINION  
Geared Rotary Limit Switches for overtravel protection and  
other uses on material handling equipment, hoists, cranes,  
valves, compacting equipment, machine tool lead screws,  
packaging machinery, powered doors, gates and windows, etc.  
Mounting and shaft location allows direct replacement of  
HWS Series 15 and G.E. Series CR115 switches.  
Contact Block Specifications  
15 Amp 120, 240, 480 or 600 VAC.  
1/2 H.P. 120 VAC, 1.0 H.P. 240 VAC  
0.8 Amp 115 VDC, 0.4 Amp 230 VDC  
Pilot Duty 600 VAC Max.  
CONDUIT  
CONNECTION  
Tapped for  
HIGH STRENGTH  
STEEL SHAFT  
Key way, Through Hole &  
Setscrew Dimple Standard  
1.00" NPT  
Right Hand Shaft–Four Switch Model  
26  
Gleason Reel Corp. • 600 South Clark St. • P.O. Box 26 • Mayville, WI 53050 • Phone: 920-387-4120  
 

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