Wormdrive Limit Switch

Introduction

Worm Drive Limit Switches are suitable for use on reversing drives, such as Hoists, Cranes, Winches, Rolling Mills, Theaters, Coke Ovens etc. The driving motion is transmitted by worm gear. All gears and hubs are made of low wear thermoplastic. The rotational movements are transmitted to switches by adjustable cams.

 

Technical Data

Body Material Black GFN
Cover Material Yellow Impact-proof ThermoPlastic
Protection Degree IP-55 (IS/IEC:60529(2001)
Operating Temperature – 25°C to 70°C
Mounting Position Any position mounting
Gear Ratios 1:12.5, 1:25, 1:50, 1:100, 1:200 and 1:400
Drive Worm Screw
Cable Entries Twin, 3/4 “ BS Conduit
Input Speed 1200 RPM, Maximum
Contact Material Double brake, Silver Cadmium(snap)
Wire Connection Screw terminal contact
Rated voltage up to 600 V AC
Thermal Test Current 10 A
No. Of Contacts 2 NC OR 4 NC
Mechanical / Electrical Life 1 Million Operations

Introduction

Worm Drive Limit Switches are suitable for use on reversing drives, such as Hoists, Cranes, Winches, Rolling Mills, Theaters, Coke Ovens etc. The driving motion is transmitted by worm gear. All gears and hubs are made of low wear thermoplastic. The rotational movements are transmitted to switches by adjustable cams.

 

Technical Data

Body Material Black GFN
Cover Material Yellow Impact-proof ThermoPlastic
Protection Degree IP-55 IS:13947 Part1
Operating Temperature – 25°C to 70°C
Mounting Position Any position mounting
Gear Ratios 1:12.5
Drive Worm Screw
Cable Entries Twin, 3/4 “ BS Conduit
Input Speed 1200 RPM, Maximum
Contact Material Double brake, Silver Cadmium(snap)
Wire Connection Screw terminal contact
Rated voltage up to 600 V AC
Thermal Test Current 10 A
No. Of Contacts 2 NC OR 4 NC
Mechanical / Electrical Life 1 Million Operations