LEAVYSEAL Connectors

High Density Lever Mating

Our LEAVYSEAL connectors utilize a lever lock system for mating and are designed for harsh environment truck, bus, and off-highway applications. These sealed high pin count connectors have arrangements from 15 to 120 positions and allow for mixed terminal sizes to be used in one housing, making LEAVYSEAL a flexible solution for a wide range of applications. With variants made of flame-retardent UL 94 V-0 material, the high temperature range of -40 to +140°C and a high IP protection (IP67, IP69K with cover), LEAVYSEAL is a secure solution for harsh environment connections.

Product Features:

Specs for LEAVYSEAL connectors
  • Accepts contact sizes 6.3/4.8K (up to 40 amps), 2.8 (up to 40 amps – for LEAVYSEAL up to 30 amps), and 1.5K (up to 20 amps)
  • 6.00-0.20 mm2
  • 15, 18, 21, 22, 25, 26, 29, 31, 39, 46, 62, 92, and 120 cavity arrangements
  • In-line, flange, or PCB mount
  • Rectangular, thermoplastic housing
  • Lever for mating
  • Integrated secondary lock confirms contact alignment and retention
  • Available accessories: Backshells, adapters, locking slides, interface protection covers



With 7 housing sizes, several mounting options & a large variety of configurations LEAVYSEAL offers design flexibility for a wide range of applications.
  1. LEAVYSEAL Connector Overview & Assembly Instructions (English)

Learn about our heavy-duty LEAVYSEAL connectors, which feature a lever lock for mating. Watch this video for an overview of the connectors and for step-by-step instructions on inserting and removing contacts, as well as mating and unmating.

Frequently Asked Questions

Q:    What is a LEAVYSEAL connector?

A:    TE Connectivity’s LEAVYSEAL environmentally sealed connectors are designed for cable to cable, cable to board, and cable to device applications. The LEAVYSEAL connectors are used in harsh environment applications where even a small degradation in connection may be critical.

    What are the appropriate industries for LEAVYSEAL connectors?

A:    Truck, Bus, Off-highway, Construction, Agriculture, Mining, Emergency Vehicles, Forestry, Recreational, Marine, Motorcycle.


Q:    When should I use LEAVYSEAL connectors?

A:     LEAVYSEAL connectors provide reliability and performance on the engine or transmission, under the hood, bulkheads, power control units, on the chassis, or in the cab. LEAVYSEAL connectors offer field proven reliability and rugged quality. Rectangular, thermoplastic housings offer a wide operating temperature range and silicone rear wire and interface seals allow the connectors to withstand conditions of extreme temperature and moisture. The connectors feature an integrated lever for mating and integrated secondary locking device for contact alignment and retention.