SL-4003-11 Manual Drive Rotary Latch
The SL-4003-11 manual drive rotary latch uses a handle-operated release built for industrial door panels and special vehicles, with vibration-resistant two-stage engagement.
- SKU : SL-4003-11 · 4003-11 · 4003/11
The SL-4003-11 Manual Drive Rotary Latch features a handle-operated manual release structure, built for industrial door panels, special vehicles, and vibrating equipment that demand quick access for maintenance. Mounting is via Ø8.3mm through holes or M8×1.25 / 5/16-18 UNC threaded fasteners. Available in standard and damped versions, and in zinc-plated steel or stainless steel, the latch withstands ultimate loads up to 8000N — combining dust sealing, vibration resistance, and fast, easy installation for high-volume assembly lines.
Key Features
Handle-operated manual release — quick access for maintenance
Standard / damped versions available
Mounting: Ø8.3mm through holes or M8×1.25 / 5/16-18 UNC threaded fasteners
Material options: zinc-plated steel or stainless steel
Ultimate load capacity: 8000N — heavy-duty rating
Vibration-resistant & dust-sealed design for harsh environments
Fast installation, suited to high-volume assembly
OEM volume supply and project customization supported
Detailed Specifications
Model | Grade & Direction | Mounting Method | Drive Method | Style | Material |
|---|---|---|---|---|---|
SL-4003-11-11 | Single stage (optional double stage), left | F8.3 through hole (optional M8x1.25 thread, 5/16-18 thread) | Manual Drive | Standard | Galvanized Steel (Optional Stainless Steel) |
SL-4003-11-12 | Single stage (optional double stage), left | F8.3 through hole (optional M8x1.25 thread, 5/16-18 thread) | Manual Drive | with damping | Galvanized Steel (Optional Stainless Steel) |
SL-4003-11-21 | Single stage (optional double stage), left | F8.3 through hole (optional M8x1.25 thread, 5/16-18 thread) | Manual Drive | Standard | Galvanized Steel (Optional Stainless Steel) |
SL-4003-11-22 | Single stage (optional double stage), left | F8.3 through hole (optional M8x1.25 thread, 5/16-18 thread) | Manual Drive | with damping | Galvanized Steel (Optional Stainless Steel) |
Applications
Engineering vehicle service & maintenance doors
Off-road & special vehicle hatches
RV & trailer storage compartment doors
Pickup & truck toolboxes
Bus & coach luggage compartment doors
Agricultural & construction equipment covers
Generator sets & outdoor equipment enclosures
Related Industries
Frequently Asked Questions
View All→References
- IEC 61373:2010, Railway applications — Rolling stock equipment — Shock and vibration tests, International Electrotechnical Commission
- IEC 62262:2002+A1:2021, Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code), International Electrotechnical Commission
- IEC 60529:1989+A1+A2, Degrees of protection provided by enclosures (IP Code), International Electrotechnical Commission
How To
1. Reach the 8,000 N class for heavy doors
The 4003 family carries ultimate loads up to 8,000 N — nearly triple the 4001 series; specify it when door mass and gasket load exceed the light-duty range.
2. Fix through Ø8.3mm holes or M8×1.25 / 5/16-18 UNC threads
The larger M8-class fixing pattern matches the heavier load class; confirm the panel can take the bigger fasteners before committing.
3. Choose standard or damped by door weight
Standard and damped versions share the same body; the damped version earns its place on doors that see frequent closing or vibration-heavy service.
4. Keep the release reachable for maintenance crews
The handle-operated manual release is built for quick access during maintenance; position the latch so gloved hands can reach it from the service position.
5. Pick stainless steel for outdoor or corrosive duty
Both zinc-plated and stainless builds are offered; for outdoor special vehicles and vibrating equipment in weather, specify the stainless version.
Ordering & customization terms
| MOQ from 100 pcs | details by product — ask us |
| OEM / ODM from 100 pcs | varies by product |
| Samples at actual cost | ~25 days if not in stock |
| Stock 10–15 days | production 15–20 days |
| T/T · PI in 24 h |
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