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Molex Product News

Sealed Rectangular Connectors (SRC)

Commercial vehicle applications, especially agricultural machinery, are becoming more intelligent with increased wiring requirements and demands for hybrid technology. The new generation SRC family by Molex offers a rugged, sealed, wire-to-panel (bulkhead) and wire-to-wire hybrid connection system designed for high circuit-count applications in harsh environments. The primary location for this system is as the firewall connector, situated between the cab and the engine, but SRC can also replace existing circular connectors in various in-vehicle applications.

The SRC system uses proven MX150™ terminals with current ratings up to 18.0A and MX150L™ terminals with current ratings up to 40.0A. Flexible standard or mixed power/signal options are available. The MX150 and MX150L terminal systems provide cost savings by eliminating the need to purchase, handle and crimp individual wire seals. This proven terminal technology provides flexibility to increase circuit-count and allows for simple field repair and replacement of headers and connectors. Accessories available include a conduit interface with cable exit variations. Tooling options include fine-adjust crimp press applicators for high-volume production and hand tools for low volume production and field repairs.

Features and benefits include:

Pre-assembled connector housing, seals, rear cover and TPA ship in one-piece Easier, quicker assembly processes resulting in applied labor and cost savings
Simple crimp, poke and plug application using standard MX150™ and MX150L™ terminals; no need to crimp individual wire seals Flexible system; easily increase circuit count using existing connectors
Quick, low cost field repairs using common screw driver, needle nose pliers or terminal extraction tool
Sliding latch with cam action Single-handed mating and locking action, no screw action or tools required for mating assembly. Latch does not interfere with wire harness
Integral Terminal Position Assurance (TPA) with new anti-scooping feature Assures that crimped terminal leads are properly locked into connector
Prevents terminals from being damaged during mating operation
Integral, two-way matte seal plus interface seal with improved retention features Passes IP69K testing; suitable for applications in harsh environments
Interface seal now securely retained in two directions
Protective rear cover Prevents damage and provides strain relief to wire-seal interface
Connector system retention greater than 200N Suitable for harsh applications in high-vibration environments
Superior electrical and mechanical performance capabilities Surpasses performance of most other competitive products in the market
Unused circuits can be blocked using plastic seal plugs Provides flexibility; sealing unused circuits without adding complexity to part numbers and customer inventory

Applications include:

Commercial vehicle

  • Agricultural machines
  • Commercial vehicles
  • Construction and mining equipment
  • Forest and garden equipment
  • Generator sets (Gensets)
  • Marine equipment
  • Material handling
  • Search, detection and navigation equipment
  • Trains and rail equipment

See also:
SRC - Sealed Rectangular Connectors(.pdf) for more product information, specifications, applications and ordering information.

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