Description
H-54974-21 Tower Crane Trolley Winch Limit Switch
Model No.:H-54974-21
The H-54974-21 is a tower crane limit switch associated with a trolley winch system. Public spare-parts documentation lists H-54974-21 as a FIN-COURSE / LIMIT SWITCH within a tower crane trolley winch assembly.
The limit switch is an electrical control component used to detect a defined mechanical position or travel condition. In a compatible trolley winch system, it works with the mechanical and electrical control arrangement to provide position or travel limit detection.
Technical Specifications
| Item | Specification |
| Product Name | Limit Switch |
| Part Number | H-54974-21 |
| System | Trolley Winch System |
| Model | DXZ |
| Weight | 1.8kg |
| Material | Aluminum |
| Ratio | 1:46~1:960 |
| Equipment | Tower Crane |
| Application | Tower Crane Trolley Winch |
| Usage | Replacement / Maintenance / Repair |
| Condition | New Replacement Spare Part |
| Function | Position / Travel Limit Detection |
Product Common Plastic Gears
Product Applications
- Tower crane trolley systems
- Trolley winch mechanisms
- Trolley travel control
- Position limit detection
- Tower crane electrical control systems
Our Advantages
- Professional supplier of tower crane spare parts
- Competitive pricing
- Stable supply and fast delivery
- Strict quality inspection before shipment
- Export experience to global markets
FAQ
Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer specializing in tower crane steel components. Additionally, we act as an integrated supplier for other construction machinery and spare parts to provide a one-stop sourcing solution for our clients.
Q2: What is your standard delivery time?
A2: For items in stock, we can ship within 1-2 business days. For bulk orders or customized products, the lead time is typically 15-25 days, depending on the order volume.
Q3: How do you ensure product quality?
A3: Quality is our priority. We implement strict pre-shipment inspections for every order. Furthermore, we offer a 1-year warranty to ensure our clients’ peace of mind.
Q4: What are your packaging standards?
A4: We use standard export seaworthy packaging, including robust wooden cases and reinforced cartons. They are specifically designed to withstand the rigors of long-distance international shipping.
Q5: Which shipping methods do you support?
A5: We support multiple shipping channels, including Sea Freight (LCL/FCL), Air Freight, and International Express (DHL/FedEx/UPS), to meet different urgency and budget requirements.
Q6: What happens if the goods are damaged during transit?
A6: While our robust packaging prevents most damage, if any issues occur, we will take immediate action. We will negotiate compensation or provide a reshipment/replacement service based on the specific situation.
Q7: What is H-54974-21?
A7: H-54974-21 is a tower crane limit switch associated with a trolley winch assembly. Public spare-parts documentation identifies it as a FIN-COURSE / LIMIT SWITCH.
Q8: What system is H-54974-21 used in?
A8: Public spare-parts documentation lists H-54974-21 within a tower crane trolley winch assembly.
Q9: What does a trolley winch limit switch do?
A9: A limit switch detects a defined mechanical position or travel condition and sends a switching signal to the relevant control circuit.
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