LEAVYSEAL Connector System for Harsh Environments
LEAVYSEAL connectors provide sealed, high-performance connectivity for hybrid signal and power systems in harsh environments. Designed for transportation and industrial applications, these connectors help improve system reliability with IP67/IP69K-rated sealing, ergonomic lever locking, and compatibility with AMP MCP and MCON terminals. With modular designs supporting up to 104 positions, LEAVYSEAL connectors simplify integration and help reduce installation time across a wide range of equipment.
Featured New Parts
58 and 66 Position LEAVYSEAL Connectors
The newest additions to the LEAVYSEAL connector family offer increased contact density and hybrid power/signal support with IP-rated sealing. Both 58-position and 66-position connectors are compatible with AMP MCP and MCON 1.2 contact systems and support a wire range of 0.5–6 mm².
| Position Count |
Contact Sizes |
Receptacle Housing PN |
Tab Housing PN |
Cover PN |
|---|---|---|---|---|
| 58 | MCON 1.2 (x48), MCP 2.8 (x8), MCP 6.3/4.8K (x2) | 2378366-1 (A) / 2378366-2 (B) | 2378367-1 / 2378367-2 | 2378357-1 |
| 66 | MCON 1.2 (x48), MCP 2.8 (x8), MCP 6.3/4.8K (x2) | 2396217-1 (A) / 2396217-2 (B) | 2396218-1 / 2396218-2 | 2408855-1 |
Key Benefits:
LEAVYSEAL Connector System
Supports system reliability in harsh environments
IP67/IP69K-rated sealing helps reduce the risk of failure due to water, dust, or pressure wash exposure.
Simplifies installation and maintenance
Lever-actuated mating supports quick, ergonomic assembly and secure locking, even in high-vibration systems.
Enables hybrid signal and power architecture
Compatible with AMP MCP and MCON contact systems, allowing power and signal lines in one compact interface.
Improves application flexibility
Offers multiple housing sizes, coding options, and mounting styles for streamlined harness design across vehicle platforms.
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Key Features:
LEAVYSEAL Connector System
| Feature | Description |
|---|---|
| Sealing Performance | IP67 and IP69K (with backshell) for fluid, dust, and pressure protection |
| Contact System Compatibility | AMP MCP 1.5K, 2.8, 6.3 / 4.8; MCON 1.2 contact system |
| Hybrid Circuit Capability | Enables signal and power in one interface |
| Flame-Retardant Materials | UL 94 V-0 thermoplastic housings |
| Lever-Locking Design | Ergonomic lever provides secure, vibration-resistant mating |
| Modular Position Range | Supports 25 to 104 positions across multiple housing sizes |
| Exit and Header Variants | Reversed exit and header options for layout flexibility |
| Wire Range | 0.5 to 6 mm² wire sizes based on contact selection |
| Current | Up to 40 amps |
| Temperature | Operating temperatures -40º C to +140º C |
| Durability | Up to 20 cycles (tin), up to 50 cycles (silver), and up to 100 cycles (gold), see individual product specifications for additional details |
| Insulation Resistance | 500 volts DC, test acc. to ISO 16750-2 (4.12) |
| Voltage | 42 volts AC/DC |
| Dielectric Withstanding Voltage | No flashover or breakdown between adjacent contacts and outer contour of the housing permitted at 500 volts AC and 50 or 60 Hz for 60 seconds |
| Flange Seal | Silicone rubber |
| Housing | Glass-filled PBT |
| Secondary Locking | Glass-filled PBT |
What’s NEW in LEAVYSEAL Connectors Family
LEAVYSEAL Connector - 95 & 104 Position Receptable and Tab Housings
• Increased density within the same size and interface (of group 5) utilizing the MCON 1.2 contact system • Combined MCON 1.2 contacts with AMP MCP 2.8 and AMP MCP 6.3, AMP MCP 6.3 LITEFORCE contacts for hybrid power and signal configurations • Improved ergonomic performance with new lever design • Tight seal and maximized sealing with IP67 and IP69K high-level protection (with cover) • Smooth, slick surface minimizes dust and mud adhesion
LEAVYSEAL Connector - V-0 Design & Reversed Exit Housings
• Additional safety thanks to flame-retardant UL 94 V-0 material • More design in flexibility and efficiency with reversed exit housings (31/39/62 Position Receptacle Housings)
LEAVYSEAL Connector - 58 Position Hybrid Connector
• Increased density utilizing the MCON 1.2 contact system with integrated family seal • Combined MCON 1.2 with AMP MCP 2.8 and AMP MCP 6.3 / 4.8 contacts for hybrid power and signal configurations • Additional stability with clip mounting / bracket mounting • Wide wire size range of 0.5 to 6 mm2
LEAVYSEAL Connector - 66 Position Hybrid Connector
• Increased density utilizing the MCON 1.2 contact system with integrated family seal • Combined MCON 1.2 with AMP MCP 2.8 and AMP MCP • 6.3 / 4.8 contacts for hybrid power and signal configurations • Additional stability with clip mounting / bracket mounting • Wide wire size range of 0.5 to 6 mm2
LEAVYSEAL Connector – 39 Position Header
• Extend new coding F to headers
LEAVYSEAL Connector – 25 Position Receptable Housing & Cover
• Combined AMP MCP 1.5K and 6.3 in new group 2 receptable housing for hybrid power and signal configurations • Additional safety thanks to flame-retardant UL 94 V-0 material • Tight seal and maximized sealing with IP69K high-level protection (with back shell)
LEAVYSEAL Connector – 26 Position 3.5 mm Fixing Slide
• Additional flexibility with new fixing slide for group 3 • Fixing slide for 3.5mm panel thickness
Real-world Applications:
LEAVYSEAL Connector System
Commercial vehicle electrical systems
LEAVYSEAL connectors support hybrid signal and power distribution in trucks, buses, and specialty vehicles exposed to vibration and contaminants.
Off-highway and agricultural equipment
Sealed connector housings are suited for tractors, harvesters, and construction machinery operating in outdoor, high-moisture, or dust-prone environments.
Industrial machinery and automation
Used in factory and warehouse automation systems requiring sealed, high-density connections in rugged conditions.
Material handling and heavy equipment
Supports safe, reliable connectivity in forklifts, loaders, cranes, and similar applications with exposure to shock, vibration, or washdown.
Transportation infrastructure and rail systems
Helps enable reliable signal and power transmission in transit vehicles and supporting control systems requiring IP-rated connectivity.
Our LEAVYSEAL connector series utilizes a lever lock system for mating and are available in several mounting styles and keying options. Constantly expanding with new offerings, we increase your design flexibility for sealed high-pin count applications.
Frequently Asked Questions - FAQ
LEAVYSEAL Connector System
Q: Is the LEAVYSEAL connector sealed and IP-rated?
A: Yes. LEAVYSEAL connectors are IP6K7 rated, and when used with a back cover, they achieve IP6K9K protection for high-pressure washdown environments.
Q: What level of vibration can the LEAVYSEAL connector handle?
A: LEAVYSEAL connectors are engineered to perform in chassis-level vibration conditions commonly found in transportation and off-highway equipment.
Q: Can I use multiple wire sizes in a single LEAVYSEAL connector?
A: Yes. The 66-position and 58-position LEAVYSEAL connector variants support combinations of wire sizes. Refer to the technical drawings for details.
Q: Are back covers available for LEAVYSEAL connectors, and what orientations are supported?
A: Yes. LEAVYSEAL connectors offer 180° back covers. For 90° configurations, please contact the product management team.
Q: What contact systems are compatible with the LEAVYSEAL connector?
A: LEAVYSEAL connectors are compatible with AMP MCP 1.5K, 2.8, 6.3 / 4.8 contacts, and MCON 1.2 terminals for signal and power applications.
Q: How does the LEAVYSEAL connector improve installation and serviceability?
A: The integrated lever-locking mechanism enables quick, ergonomic mating and secure connections, even in high-vibration environments.
Q: In what types of applications are LEAVYSEAL connectors typically used?
A: LEAVYSEAL connectors are suited for commercial vehicles, off-highway equipment, industrial machinery, and other environments requiring sealed, reliable interconnects.
