Limit Switches

Lever (and weight operated) type Limit Switch LLS/CWLS operates the control change-over contacts of motor of an moving equipment when a cam moving with loads actuates the lever of limit switch. This turns the cams on a square shaft and operates the NO I NC contact elements.

Operation :
Two or more contact elements are operated by respective rotating cams which are suitably fixed on swuare cam shaft turned by a lever or weight. The contacts operate at 140 from central neutral position.

Design :
The sheet steel bosy, Lever and cover of the limit switch are finished by powder coating treatment. The cam shaft is mounted in the housing on moulded Nylon bushes (bearing) and are fixed through the front & rear walls.

Technical Data :

• Body material - Powder coated sheet
• Degree of protection - IP - 41
• Mounting position - floor mounting
• Cable enteries - Twin. 3/4' BS conduit
• No. of contacts - 2 / 3/ or 4
• Wire connetion - Silver-cadmimum
• Rate voltage - 500 Vac
• Thermal Test Current - 10A

Operating Executions :
The operating mechanism can be offered in two executions :

• Roller Operating A alever : These limit switches are used for E.O.T. Cranes wagon shunting devices elevators travel mechanism or such linearly moving mechanisms to prevent over-travel, The poition of operating leveer is in up/ down and can be changes in steps of 900 atsite.
• Lever Actuated by as dead weight : These limit switches are used to prevent over hoist motion with weight. Counter weight is provided in this case. The same is lifted with wire rope to prevent over hoist position.

Rotary Geared Limit Switch GRLS is used to trip supply when the moving loads reach the extreme and positions of working zone.

Operation :
A two (for more) contact elements are operated by respective rotating Cams, Suitable adjusted on a Cam shaft which rotates with fixed speed ratio of the drive motor shaft, The Cams can be suitable positioned so that they trip motor supply and stop the motion at the required point of travel

Application :
Rotary Geared Limit Switches are suitable for use on reversing drives such as Hoists, Winches, Rolling Mills and various other mechanisms used in steel plants such as Coke Oven, Feeding machinery etc.

Our product is wrapped in industrial grade packaging supplies that are ecological and offer defense to the products against mechanical and transit damage. Furthermore, the product is correctly branded to offer data. Since establishment, our organization has associated with leading traders and dealers. Thus, we serve patrons in Faridabad(India) without any problem.

Application : These limit switches are designed and manufactured according to safety standard and are suitable foruse on reversing drives such as Hoists crane winches rolling mills, Coke oven etc.

Design : The driving motion is transmitted by worm gear. All gears and hub are made of low wear thermoplastic. The rotational movements are transmitted to switches by adjustable cams.

Driving Cams : Each lever has a single micro matic register srew.

Tehnical Data :

• Body Material - Black GFN
• Cover Material Yellow - Impact- proof Thermo- Plastic
• Protection Degree - IP-55 (is;1394-Part-I)
• Mounting Position - All position mounting
• Gear ratios - 1:12.5, 1:25, 1:100, 1:200, 1:400
• Drive - Worm Screw
• Cable enteries - Twin 3/4" BS conduct
• Input Speed - 1200 RPM Maximum
• Contacts Material -  Double brake, Silver Cadmium
• Wire connection - Screw terminal contact
• Rated Voltage - Up to 500 V ac
• Thermal Test Current - 10 A

Dimension'H'

• For 2 Contact 84 mm
• 4 Contacts 104mm