
C3-1554 Railway Compression Lock
ForndLock's state indicating compression latch for railway use is specifically designed for doors, inspection covers, and equipment cabinets in rail transit vehicles. The product features a tool-driven lock cylinder that completes two continuous actions—rotating the lock tongue and axially tightening—through a simple rotational operation. Once locked, the lock tongue is positioned behind the door frame while further pulling the door panel towards the frame, maintaining stable pre-tension between the door panel and the sealing strip. Compared to standard quarter-turn locks, this compression structure effectively reduces loosening, gaps, and noise caused by train vibrations, making it more suitable for the long-term vibrational environment of rail transit. The product is equipped with a prominent red/green status indicator on the front, allowing operators to quickly assess the lock's position status without needing to open the equipment door, facilitating vehicle inspections, maintenance, and safety confirmations.
- Hole Size: M22*20mm
- Material: Main Body SUS304
- Protection Level: IP65
- Neutral Salt Spray Test: Up to 3000h
- Compliance Standards: DIN EN / IEC 61373, IEC / EN 60529.
- Application Scenarios: High-speed train vehicle equipment cabinets, EMU equipment cabinets, subway vehicles, light rail vehicles, urban rail vehicles, railway locomotives, undercarriage equipment boxes, vehicle skirts, roof equipment compartments, HVAC maintenance doors, electrical control cabinets, battery equipment cabinets, braking system equipment boxes, traction system equipment boxes, auxiliary power equipment cabinets, external maintenance covers for the vehicle body, in-vehicle technical equipment cabinets, wall panel maintenance openings, ceiling maintenance openings.
Detailed Specifications
| Image | Model | Lock Cylinder Specification | Locking Height and Length | Material | Download |
|---|---|---|---|---|---|
| C3-1554-248-LH-A1 | Custom lock cylinder | Customizable to any size | SUS304/316 optional |
FAQ
Can you send samples?
Yes, we can provide a few free samples for the customer, but we hope that the shipping cost can be covered by you.
Does ForndLock offer OEM/ODM customization for Compression Locks?
Yes, we support customization of materials, structures, surface treatments, lock cylinder types, and markings for Compression Locks to meet project requirements.
What is the minimum order quantity?
The general minimum order quantity is 200 PCS, but if stock is sufficient, flexible supply can be provided according to actual demand, with no minimum order quantity restrictions.
What is the purpose of red and green markings?
It allows maintenance personnel to directly identify the locking status from the front of the lock. Under normal design, green indicates that the lock is fully closed and compressed, while red indicates that it is open or not fully secured, thereby reducing the risk of overlooking unlocked door panels during inspections.
Can other railway tool lock cylinders be replaced?
Yes. It can be configured with square, triangular, double-tooth, or other railway-specific tool drive forms according to project requirements, to meet the access management needs of different operators, vehicle manufacturers, and maintenance systems.
What data is required from customers when selecting models?
It is recommended to provide the door thickness, the locking distance from the door panel to the door frame, the direction of the lock tongue, the length of the lock tongue, the required compression stroke, the unlocking direction, the specifications for the tool lock cylinder, as well as the IP, vibration, and corrosion resistance requirements.
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