HDSCS Connectors

High Performance Design

Our Heavy Duty Sealed Connector Series (HDSCS) offers several cavity arrangements and mixed wire sizes. These rugged, thermoplastic connectors have a secondary lock with poke-yoke feature and can be used for in-line or flange mount applications. HDSCS connectors are available in five housing sizes and with four keying options. They are offered in arrangements ranging from 2 to 18 cavities.

Product Features:

Specs for HDSCS connectors
  • Accepts contact sizes 6.3/4.8K (up to 40 amps), 2.8 (up to 40 amps), and 1.5K (up to 20 amps)
  • 6.00-0.20 mm2
  • 2, 3, 4, 6, 7, 8, 10, 12, 15, 16, and 18 cavity arrangements
  • In-line or flange mount
  • Rectangular, thermoplastic housing
  • Slide lock for mating
  • Integrated secondary lock confirms contact alignment and retention
  • Available accessories: Backshells, fixing slide, clips, sealing covers, blind plugs



  1. HDSCS Connector Overview & Assembly Instructions (English)

Learn about our rugged Heavy Duty Sealed Connector Series (HDSCS) connectors for harsh environment applications. 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 an HDSCS connector?

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

Q:    What are the appropriate applications for HDSCS connectors?

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


Q:    When should I use HDSCS connectors?

A:     HDSCS connectors provide reliability and performance on the engine or transmission, under the hood, for motor controllers, solenoid interfaces, on the chassis, or in the cab. HDSCS 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 slide lock for mating and integrated secondary locking device for contact alignment and retention.