SANY Crane Height Limiter (Anti-Overwinding Switch)
Designed specifically for SANY and various types of lifting equipment, this is a core safety device to prevent hook overtravel and ensure construction safety.
Read MoreAnti Two Block Pada Crane Sourcing in China: suppliers, factory and Manufacturer | Jiemanda
Anti Two Block Pada Crane Sourcing Guide for China suppliers, factory and Manufacturer
Use this page to evaluate China Anti Two Block Pada Crane Manufacturer, Factory & Suppliers from the perspective of sample approval workflow. It brings together related products, practical selection checks, and buyer questions so your inquiry can be more specific from the beginning.
For a wholesale buyer, the most useful starting point is application fit and specification clarity. Review the product matches, comparison notes, FAQs, and recent buyer-style feedback before sending final requirements.
Hot Selling Product
SANY Crane Height Limiter (ZN101W)
This product is the original factory-matched height limiter (anti-overwinding switch) for SANY truck cranes, specifically designed for safe crane operations. When the hook rises to the preset height, the device automatically cuts off the hoist’s lifting circuit and triggers an audible-visual alarm, preventing safety accidents such as hook overtravel and wire rope breakage. It is an indispensable safety protection device for lifting operations.
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XCMG XESA2B-CL15M
This device is a safety protection component designed for various lifting equipment. It uses a weight sensor to detect the hook position. When the hook rises to the preset height, it automatically cuts off the hoisting power circuit to prevent collision between the hook and the top of the boom (anti-two block/anti-overwinding), effectively protecting equipment and personnel safety. Built with industrial-grade protection, it withstands harsh outdoor working conditions of construction machinery and is a mandatory core component required by lifting machinery safety regulations.
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XCMG Original REC-W1000-SL Wireless Anti-Overwind Device (Part No.: 803696259)
This is an original factory-equipped wireless anti-overwind protection device for XCMG truck-mounted cranes. It monitors the boom height in real time, triggering an audible-visual alarm and cutting off dangerous movements when the lifting height approaches a critical threshold. This effectively prevents safety accidents such as wire rope breakage due to overwinding and boom damage from overextension, making it a core component for safe lifting operations.
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Sany 25 Ton Crane Reel Box Control Board (Boom Cable Box ECU)
Key Advantages Direct OEM Replacement: Swaps perfectly with the original Sany part, no wiring modifications or additional setup required-install and go. Stable & Anti-Interference: Industrial-grade circuit board design resists vibration from boom movement and electromagnetic interference in harsh construction environments. Precise Data Transmission: Built-in high-accuracy signal processing module ensures boom length and angle data errors […]
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Zoomlion GJ-1 Anti-Overwinding Switch
The GJ-1 Anti-Overwinding Switch is a safety protection device designed specifically for engineering lifting equipment, primarily used in the hoisting mechanisms of mobile cranes, crawler cranes, and similar machinery. It triggers automatically when the hook reaches the preset upper limit position, cutting off the power supply to prevent equipment damage and safety accidents caused by wire rope overwinding. It is a core component for ensuring safe lifting operations.
Read MoreHow To Compare anti two block pada crane Options
Product Guide
The related product list helps you compare China Anti Two Block Pada Crane Manufacturer, Factory & Suppliers by actual product direction rather than keyword wording alone. Check whether each product supports sample approval workflow, then use the table below to prepare a clearer RFQ.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Application fit | Crane type, boom length, hoist setup | Prevents wrong anti two block selection | Share crane model in RFQ |
| Specification clarity | Voltage, signal type, alarm output | Helps suppliers quote comparable options | Request a spec sheet |
| Sample approval | Sample lead time, test items, markings | Confirms fit before bulk order | List sample questions early |
| Customization needs | Cable length, bracket, label, connector | Avoids rework on export orders | Confirm drawings before sample |
| Supplier support | QC records, packing, after-sales contact | Reduces order and service risk | Compare support terms |
How To Choose anti two block pada crane Supplier
China Anti Two Block Pada Crane Manufacturer, Factory & Suppliers should be reviewed by how well each supplier understands the crane application, required specifications, sample confirmation process, and export order needs.
A useful inquiry should include product use, quantity range, drawings or references if available, destination, packaging needs, and approval steps. This helps suppliers respond with clearer quotations and more relevant product recommendations.
Start by confirming where the anti two block pada crane product will be used and what details are critical for safe and practical application matching. Share crane type, working environment, installation expectations, and any reference specifications you already have.
When comparing suppliers, ask for clear technical details instead of only general product photos. Size, material, connection method, operating requirements, packaging, labeling, and available customization should be listed in a format your purchasing and engineering teams can review.
For sample approval, explain how samples will be checked, who will approve them, and what changes may be required before mass order confirmation. If branding, packaging, or documentation is needed, raise these points before requesting final pricing.
Quotation comparison should cover unit price, sample cost, MOQ, lead time, export packing, payment terms, inspection support, and after-sales communication. A supplier that answers application questions clearly is usually easier to compare than one that only sends a broad catalog.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Application fit | High | Matches crane type and boom setup | Mobile crane boom tip |
| Electrical specs | High | Voltage and contact output clarity | DC input, limit signal |
| Mounting design | Medium | Bracket and cable routing suitability | Side bracket mount |
| Sample evidence | High | Photos, drawings, test notes | Wiring photo set |
| Customization scope | Medium | Adjustable options before bulk order | Cable length change |
Top Product Matches
Recommended Products
Top product matches should be reviewed by fit, specification clarity, customization readiness, and how well they support supplier comparison. Use these factors to shortlist practical options before contacting the supplier.
Top Selling Product Selection Factors
Blog Articles / Reviews
Rapid Shipment of XCMG Truck Crane Parts to Long-Term Middle East Customer
We have completed the packaging of a batch of XCMG truck crane parts in our warehouse, and the goods will be shipped to a long-term cooperative customer in the Middle East market. The parts cover a variety of high-frequency consumables, including pulleys, cables, displays, headlights, controllers, sensors, A2B limiters, display button films, hydraulic sensors, displacement […]
Crane Fault Code E02 Meaning and Troubleshooting
Instructions The specific meaning of crane fault code E02 varies depending on the crane model and control system. The core meanings applicable to mainstream XCMG, Zoomlion, and Sany cranes are as follows: Core Meaning Classification Zoomlion and other models (related to the hoisting mechanism): Indicates overcurrent during hoisting acceleration. During the acceleration process of hoisting, […]
Crane Accessories Safety Inspection Guide
Crane accessories refer to the general term for various components of cranes. What are the commonly used crane accessories in daily operations? And how to conduct proper safety inspections on these accessories? Below is a detailed explanation to help ensure operational safety. Drum Focus on checking whether the drum body and its edges have fatigue […]
Rapid Shipment of XCMG Truck Crane Parts to Long-Term Middle East Customer
We have completed the packaging of a batch of XCMG truck crane parts in our warehouse, and the goods will be shipped to a long-term cooperative customer in the Middle East market. The parts cover a variety of high-frequency consumables, including pulleys, cables, displays, headlights, controllers, sensors, A2B limiters, display button films, hydraulic sensors, displacement […]
Buyer feedback on this page focuses on RFQ preparation, export order review, sample questions, and application detail confirmation.
I used the anti two block pada crane tag page to clarify which hoist limit details I should include before sending our sourcing inquiry.
I was comparing crane safety components, and this page helped me focus specifically on anti two block pada crane fit, wiring, and application notes.
I needed a more precise RFQ, and the anti two block pada crane topic gave me a better checklist for describing our lifting setup.
I shared this anti two block pada crane page with our maintenance lead because it kept the discussion centered on function, compatibility, and usage conditions.
Frequently Asked Questions
What RFQ details should a wholesale buyer provide to a China Anti Two Block Pada Crane Manufacturer, Factory & Suppliers?
Include crane type, rated load, boom configuration, working voltage, installation position, operating environment, cable length needs, connector preference, and target sample quantity. Clear application data helps suppliers quote comparable anti two block pada crane options.
How should buyers compare an anti two block pada crane with related crane safety limit devices?
Compare the device function, trigger method, mounting style, signal output, reset behavior, and compatibility with the crane control system. Anti two block devices focus on preventing hook block contact with the boom tip.
What should be confirmed during sample approval for an anti two block pada crane order?
Check dimensions, switch action, housing material, cable routing, wiring labels, mounting bracket fit, and response consistency. Buyers should also confirm whether the sample matches the drawings or photos agreed before purchase.
Which technical details are most important when discussing customization with China anti two block pada crane suppliers?
Key details include voltage, contact type, protection requirements, operating temperature range, cable specification, connector type, bracket design, and required markings. Customization should be linked to the crane model and installation layout.
What quality checks can buyers request before approving anti two block pada crane samples?
Buyers can ask suppliers to confirm visual inspection, continuity or switch function testing, wiring accuracy, housing condition, and basic fit against supplied dimensions. Requested checks should match the intended crane application and sample approval criteria.
What after-sales support topics should be discussed with an anti two block pada crane supplier?
Clarify installation guidance, wiring reference, troubleshooting support, spare part identification, replacement procedure, and documentation availability. These points help wholesale buyers manage follow-up questions after samples or export orders are reviewed.
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Send your inquiry with product use, quantity, destination, sample approval needs, and technical requirements so the supplier can provide a more accurate response.
