Compression Latches — IP65/IP67 Flush-Mount Plane Locks
Flush-mounted plane locks for electrical distribution cabinets, control panels, and HVAC equipment enclosures.
33 models available · Last updated: October 2026
Compression latches (also called plane locks or flush locks) use a quarter-turn mechanism that converts rotational motion into axial compression, pulling the enclosure door tight against its gasket. This creates dust-tight and water-resistant seals from IP54 up to IP67. Selecting the right compression latch requires matching the latch travel, cam geometry, and material grade to your enclosure's sealing requirements, environmental exposure, and access control needs. Below is a selection guide based on 35 years of manufacturing experience across telecom, EV charging, HVAC, and data center enclosures.
Compression Latch Selection Guide
| Type | Mechanism | IP Rating | Best Applications |
|---|---|---|---|
| Quarter-Turn Fixed Cam | 90-degree rotation, fixed cam stroke (2-4 mm) | IP54-IP65 | Indoor electrical panels, HVAC control boxes, vending machines |
| Adjustable Compression | Threaded cam body adjusts compression 2-8 mm | IP65-IP67 | Outdoor telecom cabinets, EV charging stations, food-processing enclosures |
| Push-to-Close (Slam Latch) | Spring-loaded auto-latching on door close | IP54-IP65 | High-frequency access panels, server rack side panels, quick-release covers |
| Key-Locking Compression | Quarter-turn + cylinder lock, keyed-alike/different/master | IP65-IP67 | Multi-cabinet installations: data centers, telecom sites, EV charging networks |
| Lift-and-Turn | Recessed handle lifts before turning to prevent accidental release | IP65 | Vibration-prone environments: mobile generators, vehicle-mounted enclosures |
Key Selection Factors
Gasket Compression Range
The latch cam travel must compress your gasket 20-30% of its uncompressed height. Under-compression causes leaks; over-compression accelerates gasket fatigue. Adjustable-compression models let you dial in the exact stroke after installation, making them the safest choice when gasket thickness varies across your enclosure production run.
IP Rating vs. Material Grade
Achieving IP65 requires proper gasket selection plus a structurally rigid latch body that won't flex under compression force. Zinc alloy (Zamak 5) handles most indoor and sheltered outdoor applications. For marine, coastal, food-grade (FDA wash-down), or chemical environments requiring IP66/IP67, specify 304 or 316 stainless steel bodies. Our 316 SS models pass 1,500+ hours of salt spray testing per ASTM B117.
Access Control Options
Standard tool-operated slots suit utility enclosures where technician access is controlled by policy. Key-locking models add physical security for high-value equipment. For multi-site deployments (telecom cell sites, EV charging networks), keyed-alike configurations let technicians carry a single master key. We maintain key databases across production batches to ensure consistency.
Panel Cutout Compatibility
Most compression latches install through a standard D-shaped or round cutout. When replacing existing hardware, measure the existing cutout diameter and door thickness. Our engineering team provides drop-in replacement recommendations — send us your current latch model number or a photo of the cutout for a match within 24 hours.
Material & Finish Options
| Material | Key Features | Recommended Applications |
|---|---|---|
| Zamak 5 Zinc Alloy | Die-cast, economical, excellent detail reproduction | Indoor panels, HVAC, vending, general industrial (IP54-IP65) |
| 304 Stainless Steel | Corrosion-resistant, 500+ hr salt spray | Outdoor telecom, EV charging, marine-adjacent, food processing |
| 316 Stainless Steel | Superior corrosion resistance, 1,500+ hr salt spray, FDA-compatible | Marine, chemical plants, pharmaceutical, NEMA 4X/IP67 |
| Engineering Plastic (PA/ABS) | Non-conductive, lightweight, UV-stabilized | UL-listed electrical panels, non-metallic enclosures, weight-sensitive |
Browse All 33 Plane Locks Models
MS703
Plane Locks
MS707
Plane Locks
MS708
Button Plane Lock Lever Lock
MS708A
Button Plane Lock Lever Lock
MS708B
Button Plane Lock Lever Lock
MS708C
Plane Locks
MS712
Plane Locks
MS713
Plane Locks
MS717
Plane Locks
MS717A
Plane Locks
MS718
Plane Locks
MS720
Plane Locks
MS726
Button Plane Lock Lever Lock
MS726A
Button Plane Lock Lever Lock
MS726B
Plane Locks
MS727
Plane Locks
MS728
Plane Locks
MS728A
Plane Locks
MS729
Plane Locks
MS730
Plane Locks
MS801-1(GMS-1)
Plane Locks
MS810
Plane Locks
MS818
Plane Locks
MS819
Plane Locks
MS825
Plane Locks
MS839
Plane Locks
MS843
Plane Locks
MS1011
Plane Locks
MS1012
Plane Locks
MS4001
Plane Locks
MS4003
Plane Locks
DQO-1
Plane Locks
DQO-2
Plane Locks
Plane Locks Model Comparison
Showing 12 of 33 models. Click any model for full specs.
| Model | Materials | Surface Finishes |
|---|---|---|
| MS703 | Zinc Alloy | Chrome Plated |
| MS707 | Zinc Alloy | Chrome Plated |
| MS708 | Plastic, Zinc Alloy, Steel | Black Powder Coated, Color Zinc Plated, White Zinc Plated, Black |
| MS708A | Plastic, Zinc Alloy, Steel, Brass | Black Powder Coated, White Zinc Plated, Black |
| MS708B | Plastic, Zinc Alloy, Steel, Brass | Black Powder Coated, White Zinc Plated, Black |
| MS708C | Plastic, Zinc Alloy, Steel, Brass | Black Powder Coated, Color Zinc Plated, White Zinc Plated, Black |
| MS712 | Zinc Alloy | White Zinc Plated |
| MS713 | Zinc Alloy | White Zinc Plated |
| MS717 | Zinc Alloy | Chrome Plated |
| MS717A | Zinc Alloy | Chrome Plated |
| MS718 | Zinc Alloy, Steel, Brass | Black Powder Coated, Bright Chrome Plated, White Zinc Plated, Color Zinc Plated |
| MS720 | Plastic, Zinc Alloy, Steel, Brass | Bright Chrome Plated, White Zinc Plated, Satin Chrome Plated |
+ 21 more models available. Contact us for the complete catalog.
Ordering Plane Locks — Pricing, MOQ & Lead Time
Minimum Order
Standard: 500 pcs
Custom/OEM: 1,000 pcs
Samples available (1-5 pcs)
Samples
Available: Yes
Lead time: 5-7 business days
Freight collect or prepaid
Lead Time
Standard: 15-20 days
Custom/OEM: 25-35 days
Rush orders negotiable
Packaging
Standard export carton
OEM branded packaging
Private label packagingCustom packaging available
Why Source Plane Locks from Hengchieh?
Vertically Integrated Factory
13,000 m² facility with in-house die casting, CNC machining, stamping, injection molding, surface treatment, and assembly. From raw material to finished product under one roof — reducing lead time and ensuring consistent quality.
5-Stage Quality Control
- 1.Incoming material inspection (spectrometer analysis)
- 2.In-process dimensional checks (CMM measurement)
- 3.Surface treatment adhesion test (cross-cut + tape pull)
- 4.Functional testing (key operation, cam engagement, cycle test)
- 5.Final inspection + salt spray test report (ASTM B117)
Certifications & Standards
- IATF 16949 — Automotive quality management
- ISO 9001 — Quality management system
- CE — European conformity
- RoHS — Restriction of hazardous substances
- 35+ years — Exporting to 20+ countries since 1988
Frequently Asked Questions — Plane Locks
What is the MOQ for plane locks?
What materials are available for your plane locks?
Can you provide OEM/ODM plane locks with custom specifications?
What certifications do your plane locks have?
How long does production take?
Need a Custom Plane Lock?
We customize materials, finishes, keying, and dimensions to your specifications.