Weight Operated Limit Switches Dealers (11 products available)

Material : Die Cast

Switch Configuration : Both

Voltage : 500 VAC

Application : EOT Crane, Hoists, Material Handling Equipment

Country of Origin : Made in India

Normal Position : Normally Open (NO), Normally Closed (NC)

Current Rating : 10 Amp. up to 500V AC

Warranty : 12 Months Company Warranty

Application : Kakku Limit Switch Series Kls-hd are used to provide electrical on/off signals for over travel of crane hook for safety purposes. Special Features : Double Brake contact with high quality Silver Alloy contacts tips. Provided with specially treated oil resistance rubber gaskets at all the joints in the switch to make it completely dust proof. Universal design for both AC DC application. Cams and contact block are high grade phenolic fibrous molding material having excellent electrical and mechanical properties Resist extreme shock and vibratory conditions. Ease of maintenance, reliability of performance, flexible contact, long life. Technical Features: Operating mechanism - Counter Weight No. of contacts - 2 Action - Self return by snatch block weight No of operating Position = 0 - 1 Contact ratings : Rated voltages - Up to 500V AC or DC Permissible cont. current - 10AMP Breaking current - At 110 v DC -2.5 AMP, At 220v DC -1.5AMP, At 440v DC -0.5AMP ,At 500v AC -10AMP. Contact breaks - Double breaks Contact tips - Silver cadmium oxide Electrical life - 1.5 millions operations Enclosure - IP55 Body - Cast Iron / Cast Al Mechanical life - 15 millions operation Ambient Temp. - 55 degree centigrade Permissible switching - 600 Operations per hour.

Weight Operated Limit Switches are used on control power circuit of reversing drives so as to limit their rotation movement within a predetermined position. Operation: When the snatch block of the crane reaches its top position the snatch block pushes a plate which is hanging from one end of the lever of the limit switch. Due to the weight placed on the other end of the lever this lever is pushed up. When the lever is pushed up the shaft to which this lever is connected rotates there by rotating the cams which eventually open the contacts and disconnect the motor. The electronic limit switch contacts are automatically reset when the lever returns to zero position due to gravitational force

Current Rating : 40 AMPS at 500 V.A.C.

CONTACT SEQUENCE : 2 NC.

Limit Switch is a switch operated by the motion of a machine part or presence of an object. These are used for control of a machine as, a safety interlock or to count an object passing a point. Limit Switch may be directly mechanically operated by the motion of the operating lever.

We are offering wide range of weight operated limit switches. Due to the weight placed on the other end of the lever this lever is pushed up. The limit switch operates when it reaches a predetermined position when the lever is moved over a projecting member fixed on the girder. specifications: max. Lifting height: 3-30m rated loading capacity: 3-100t industry voltage: 220v, 380v, 415v, 440v, 480v lifting height: 7~22.5m.

Operates the control change-over the contacts of a motor of a moving equipment when a cam moving with loads actuates the lever / (or the weight rests on a surface) of the Limit Switch. This turns the cam on a square shaft and operates the NO / NC change over the contact elements. Grab Differential Limit Switch Is driven by holding and closing winches Is used in auxiliary circuits for single lever grab control. It is used for stopping the closing motor after closing or opening, regardless of the height of the grab and starting the holding motor after closing, for the transition to the hoisting action as well as for stopping the holding and closing motors at hoisting and lowest grab position.

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