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Limit Switch
Heavy duty limit switches for EOT Cranes Steel Mills, Metallurgical plants, Mining, Equipments, Mobile Equipments & Machines Tools, etc.
Rotary Geared Limit Switch
Product Price: Rs 5,100 / NumberGet Best Price
Product Details:
| Switch Type | Rotary Limit Switch |
| Switch Configuration | Both |
| Make/Brand | Kakku |
| Number of Switch Positions | 2 to 4 |
| Model Name/Number | KRLS |
| Current Rating | 40 AMP. |
| Power/Voltage | 500V AC |
| Ambient Operating Temperature | 55 Degree C |
| Warranty | 12 months company warranty |
| Degree Of Protection | IP-55 |
| Usage/Application | Crane, Hoist and other Material Handling Equipment |
Used in control circuits of cranes, hoists, winches and other drive mechanism where bi-directional travel of the mechanism is to be sensed at certain predetermined positions. The shaft extension of the rotary geared limit switch is coupled with the shaft of the hoist/ winch rope drum. The gear ratio of the switch is selected in such a way that the total revolutions of the rope drum for winding/unwinding the full working length of hoist rope, turns the cam shaft of the limit switch by less than 360 degree.
Special Features :
- Single Break contact with high quality Silver cadmium oxide contact tips having arc-retarding and anti-welding properties.
- 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.
- Contact carrying fingers are of high grade phenolic fibrous molding material having electrical and mechanical properties.
- Resistance to extreme shock and vibratory conditions.
- Ease of maintenance, reliability of performance, ensuring long life.
Technical Features:
- Operating mechanism = Coupled with rotating shaft of rope drum /gear box /motor.
- No. of contacts = 2/4
- Gear ratio = 1:48.
- Rated voltages = Up to 500V AC.
- Permissible cont. current = 10 AMPs
- Breaking current = 500V AC-5A.
- Contact breaks = SINGLE breaks
- Contact tips = Silver cadmium oxide
- Enclosure = IP-55.
- Body = Cast iron body with Cast Aluminum cover
- Electrical life = 2 lacks operations
- Mechanical life = 5 lacks operations
- Ambient Temperature = 55 degree centigrade
- Permissible Switching = 600 operations per hour.
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Rotary Gear Limit Switch
Product Price: Rs 9,000 / NumberGet Best Price
Product Details:
| Switch Type | Rotary Limit Switch |
| Switch Configuration | Both |
| Brand | Kakku |
| Model Name/Number | KRLS series |
| Number of Switch Positions | 2 to 4 |
| Current Rating | 10 Amps. up tp 500V AC |
| Power/Voltage | 415V AC |
| Ambient Operating Temperature | 55 Degree C |
| Warranty | 12 months company warranty |
| Material | Die cast |
| Degree Of Protection | IP-55 |
| Usage/Application | EOT Crane, Hoist and Material handling equioment |
Used in control circuits of cranes, hoists, winches and other drive mechanism where bi-directional travel of the mechanism is to be sensed at certain predetermined positions. The shaft extension of the rotary geared limit switch is coupled with the shaft of the hoist/ winch rope drum. The gear ratio of the switch is selected in such a way that the total revolutions of the rope drum for winding/unwinding the full working length of hoist rope, turns the cam shaft of the limit switch by less than 360 degree.
Special Features:
- Double Break contacts with high quality Silver cadmium oxide contact tips having arc-retarding and anti-welding properties.
- 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.
- Contact carrying fingers are of high grade phenolic fibrous molding material having electrical and mechanical properties.
- Resistance to extreme shock and vibratory conditions.
- Ease of maintenance, reliability of performance, ensuring long life.
Technical Features::
- Operating mechanism = Spindle of the switch is coupled with rotating shaft of rope drum /gear box /motor
- No. of contacts = 2
- Rated voltages = Up to 500V AC or DC
- Permissible cont. current = 10 AMPs
- Breaking current = 1. 10V DC-0.5A
2. 220V DC-0.3A
3. 440V DC-0.1A
4. 500V AC-10A - Contact breaks = Double breaks
- Contact tips = Silver cadmium oxide
- Enclosure = IP-55 (IP-65 can be provide on request)
- Body = Cast iron body with Cast Aluminum cover
- Electrical life = 2 lacks operations
- Mechanical life = 5 lacks operations
- Ambient Temperature = 55 degree centigrade
- Permissible Switching = 600 operations per hour
Gear Ratio:
- 1:1, 1:10, 1:20, 1:30, 1:5, 1:50, 1:75
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Lever Operated Limit Switch
Product Price: Rs 6,656 / NumberGet Best Price
Product Details:
| Switch Type | Double Roller Lever Type Limit Switch |
| Switch Configuration | Both |
| Usage/Application | Eot Crane |
| Model Name/Number | KLS-HD series |
| Current Rating | 10 Amps. up to 500V AC |
| Power/Voltage | 415 V |
| Brand | Kakku |
| Warranty | 12 months company warrnaty |
| Material | Die cast |
| Degree Of Protection | IP-55 |
KAKKU LIMIT SWITCH SERIES KLS-HD are used to provide electrical on/off signals for the automatic control circuits of heavy machinery, EOT Cranes, Conveyors, Transfer Cars, Elevators, Steel Mills, Auxiliary handling equipment's for slowing down / stopping the drive at the end the limits of its travel for safety purpose or initiating a control/interlocking sequence between various device.
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 : Double Roller lever
- No. of contacts : 2/4
- Action : Stay put
- 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
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Kakku Lever Operated Limit Switch
Product Price: Rs 5,289 / NumberGet Best Price
Product Details:
| Switch Configuration | Both |
| Current Rating | 10 Amps. |
| Brand | Kakku |
| Switch Type | Lever Operated Limit Switch |
| Model Name/Number | KLS-HD series |
| Application | EOT Crane, Hoists and Material handling equipment |
| Rated Voltage | 500 V AC |
| Warranty | 12 months company warranty |
| Material | Die cast |
| Degree Of Protection | IP-55 |
KAKKU LIMIT SWITCH SERIES KLS-HD are used to provide electrical on/off signals for the automatic control circuits of heavy machinery, EOT Cranes, Conveyors, Transfer Cars, Elevators, Steel Mills, Auxiliary handling equipment's for slowing down / stopping the drive at the end the limits of its travel for safety purpose or initiating a control/interlocking sequence between various device.
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 : Roller lever
- No. of contacts : 4
- Action : Self return (Spring return)
- No of operating Position = 1-0-1
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
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Worm Drive Limit Switch
Product Price: Rs 2,420 / NumberGet Best Price
Product Details:
| Current | 10 Amps. |
| Voltage | 500 V AC |
| Gear Ratio | 1:12.5, 1:25, 1:50, 1:100, 1:200 and 1:400 |
| Contacts | 2 NC or 4 NC |
| Operating Temperature | - 25 Degree C to 70 Degree C |
| Protection Degree | IP-55 As per IS/IEC:60529 (2001) |
| Brand | Speed O Control |
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Speed O Control Lever Operated Limit Switch
Product Price: Rs 1,500 / NumberGet Best Price
Product Details:
| Current Rating | 10 Ampss and 40 Amps. |
| Brand | Speed O Control |
| Usage/Application | EOT Crane,Hoists and Material handling equipment |
| Rated Voltage | 500 V AC |
| Switch Type | Lever type |
| Body Material | Aluminium Die Cast |
| Protection Degree | IP-55 Confirming to (IS/IEC60529(2001) |
| No.Of Contacts | 2 Maximum |
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Grab Differential Limit Switch
Product Price: Rs 89,000 / NumberGet Best Price
Product Details:
| Usage/Application | Crane, Winch, Material handling equipment |
| Switch Type | Grab Differential Limit Switch |
| Power/Voltage | 500V AC |
| Ambient Operating Temperature | 55 Degree C |
| Warranty | 12 months |
| Current Rating | 40 Amps. |
| Brand | Speed O Control |
| Surface Finish | Paint Coating |
| Degree Of Protection | IP-55 |
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Counter Weight Operated Limit Switch
Product Price: Rs 4,500 / NumberGet Best Price
Product Details:
| Switch Configuration | Both |
| Rated Voltage | 500 VAC |
| Normal Position | Normally Open (NO), Normally Closed (NC) |
| Model Name/Number | KLS-HD Series |
| Application | EOT Crane,Hoists,Material Handling Equipment |
| Current Rating | 10 Amp. up to 500V AC |
| Warranty | 12 months company warranty |
| Material | Die cast |
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.
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Crane Limit Switch
Product Price: Rs 2,420 / NumberGet Best Price
Product Details:
| Brand | Speed-O-Control |
| Usage/Application | Crane,Hoist,Material handling equipments |
| Switch Type | Fork Type |
| Switch Configuration | Both |
| Ambient Operating Temperature | -25 Degree C to + 55 Degree C |
| Current Rating | 10 Ampere |
| Model Name/Number | LSR |
| Packaging Type | Corrugated Box |
| Degree Of Protection | IP-65 protection rating according to IEC/EN 60529 |
| Rated Operating Voltage | 690 V / 50HZ |
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Gravity Limit Switch
Product Price: Rs 1,650 / NumberGet Best Price
Product Details:
| Brand | Speed O Control |
| Current Rating | 10 Amps and 40 Amps |
| Warranty | 12 months company warranty |
| Material | Aluminum Die cast |
| Degree Of Protection | IP-55 IS/IEC-600529 : 2001 |
| No.Of Auxiliary Contacts Nc | 2 |
| Rated Operating Voltage | 500 VAC |
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.
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Snap Action Limit Switch
Product Price: Rs 4,314 / NumberGet Best Price
Product Details:
| Brand | Kakku |
| Product Type | Snap Action Type |
| Material | Die cast |
| Usage/Application | Control System, Machine |
| Normal Position | Normally Closed (NC), Normally Open (NO) |
| Application | Crane, Hoist, Chemical, Pharmaceauticals |
| Material/Body | Metal, Plastic |
| Color | Blue |
| Packaging Size | Corrugate box |
| Surface Treatment | Paint Coating |
- No. of contact = 2 (1No + 1NC)
- Nature of lever assembly = Straight roller lever
- Action = Spring Return
- Nature Of Lever Assembly = Straight Roller Lever
- Ambient Temperature = 55°c
- Mounting Arrangement = Surface Mounting
- Operating mechanism = Roller lever
- Action = Self / Spring return
- Housing = cast aluminium
- Actuating force = Not greater than 6Kg.f
- Speed of striker = .3 To 30 Mtrs per min
- Enclosure catagory = As per IP-54 of IS:2147-1962
- Cable Entry = 1no. of 1/2 threaded size 2.5mm²
- Available in dust Proof/oil tight enclosures.
- Available in various design of operating levers,such as roller lever, counter weight operated for lever, "V" shaped roller levers, foot paddle, push rod, adjustable roller lever etc.Also with liberal over travel for various applications.
- Rotary geared limit switches are available in different gear ratios with 2 to 24 contacts with proven performance in heavy duty applications in the metallurgical plants
- Cost effective, proven and tested design, ensuring highest reliability.
- Conforming to relevant IPSS.
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