| Customization: | Available |
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| Structure: | Working Limit Switch |
| Type: | Load Limit Switch |
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Pin type load limit switch used for wire rope hoist on the crane for safety
A limit switch is a critical component of overhead crane safety. Limit switches are electromechanical devices that regulate everything from household appliances to industrial machinery. The crane limit switch include traveling limit switch and load limit switch. Load limit switch used on hoist and trolley.
When your load exceeds the lifting capacity of you crane, load limiters will cut power from lifting your load higher. This can save your life, avert lost downtime from a damaged crane, and prevent expensive accidents and insurance claims.
Function:
1. Lifting capacity reaches 90% of the rated lifting capacity, an intermittent sound and light alarm will be issued, but the lifting circuit will not be cut off.
2. 105%, a continuous sound and light alarm will be issued with a delay of 2 seconds, and the lifting circuit will be cut off, but the down circuit will not be affected.
3. 130%, a continuous sound and light alarm will be issued immediately and closed Hositing Immediately.
Setting:
1. Clearing
In the state of the empty hook, press and hold the →0← key on the box for 3 seconds, the number on the box will be reset to zero and flash continuously for 3 seconds, the clearing is successful.
2. Set the alarm point
First use a crane to lift the rated weight (note: it must be lifted off the ground), and then press and hold the "M" button on the box for 3 seconds. The number on the instrument displays the rated weight and flashes continuously for 3 seconds, the setting is successful.
| ZQX Series Load Limited Switch Technical Feature | |
| Display Precision | <=5% F.S |
| Temperature | -20°C - + 60°C / 90RH |
| IP Class | Sensor IP65, Instnunent IP42 |
| Contact capacity | AC250V, lOA |
| Power supply | AC48V +- 10%, 50Hz |
Q1: Are you Manufacturer or Trading Company?
A1:We are an integrated industrial and trade enterprises. We have our own R&D team, factory and marketing department.
Q2: Which standard of your crane and crane components apply to?
A2: Our Crane can design and manufacture base on FEM, CMAA, ISO EN, GB standard.
Q3: How do you ensure your product quality?
A3: All our processes strictly adhere to ISO-9001 procedures, which include Material Traceability, ISO WPQR and welder certificate, Measuring Device Calibration, NDT for the welding, and full assembling and load testing before delivery.
Q4: How can I make payment?
A4: We accept T/T bank transfer, L/C, Paypal.
Q5: How can I assembly the cranes in my factory?
A5: We suggest you to recruit a crane service team in local to install the crane base on our Installation Guideline and User manual. If cannot, we can send engineer to your factory to guide you do the installation with extra charge, and the transportation, accommodation, translator shall be covered by your side also.
Q6: What is the warranty period, and how can I claim warranty If my crane have any issue?
A6: Our warranty period is 12 months after cargo leave China port. If the crane have any issue, our after-sales team and engineer will help you solve the issue by email or Video conference. If the defect is caused by quality issue, we will ship the spare parts to you by air to help you fixed it as soon as possible.
Q7: Do you accept OEM business:
A7: Sure, we do many OEM productions for some famous crane brand and customers around the world.
Q8: What about shipping:
A8: We recommend small batch by the way of air or LCL, but large delivery by the way of container or bulk vessel.
Q9: what about delivery time?
A9: different capacity crane and components have different estimated delivery time, generally speaking, around 4 weeks to 8 weeks.
Q10: What is your company policy if we want to distribute NANTE product in our market?
A10: Firstly, thank you for your interest to promote NANTE brand, we have distributors in 50+ countries, pleaes no hesitate to contact us for the detail discussions, as we have different policies for the different target markets. Surely, you are welcomed to visit our factory and let's talk face to face.
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