Marechal Electric Harsh-Environment Connectors

Marechal Connector

Marechal Electric products are designed to meet the most stringent requirement in the area of electrical connection (from 5 to 1000 A, 24 to 1000V, 1 to 37 contacts) in all types of industry.

Marechal Electric industrial plugs and socket-outlets use silver-butt contacts instead of brass pins and sleeves and an integral switching device allowing the user to make and break mixed resistive and inductive loads in complete safety.


  • Integral switching device
  • Closing on short circuit
  • High safety usage
  • Long term reliability
  • Heavy duty
  • Number of operations exceeding those stipulated in the standard
  • Excellent resistance to high temperatures
  • Significant overload tolerance
  • Compliance with the French decree on 1988
  • Compliance with European decrees
  • 24 positions to differentiate voltages

Marechal Industrial Applications Catalogue (17.3Mb)
Marechal Industrial Explosion Proof Catalogue (10.6Mb)
Marechal DN Decontactor Catalogue (3.6Mb)
Marechal DS Decontactor Catalogue (3.4Mb)
Marechal DSN Decontactor Catalogue (2.4Mb)
Marechal Multicontact Range Catalogue (1.0Mb)

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When ordering a connector it is not always as simple matter of determining between 'male' and 'female' because this can refer to both the housing gender and the contact gender. Many manufacturers offer a given housing gender with both pin and socket. A common example of such confusion occurs in the Deutsch Industrial DT range, where the plug (or male connector) actually contains socket (or female) contacts. For this reason please specify both the contact and housing gender at the time of order.

The IP Rating of a connector or accessory relates to the degree of ingress protection provided by that component. The first digit of the code relates to the degree of protection against access to hazardous parts (conductors etc) and against solid foreign objects. The second digit refers to the degree of protection against the ingress of water. For two examples of this system, consider the most commonly seen IP ratings in our products: IP44 and IP67. IP44 4: Protection from solid objects ≤1mm | 4: Protection against splashing water IP67 6: Protection from dust-sized objects | 7: Protection against immersion in water at depth of 1m for 30mins A complete guide to all IP Ratings is available here.

These terms are used by Phase 3 and ITT Veam on their high-current connectors.The source is considered the half of the connection from which the power is sourced; or the half supplying the electrical power. In an emergency power application, the generator is the source and would be fitted with Panel Source (panel-mount) connectors, a Panel Source Powersafe Box, or Line Source (inline) connectors on pigtails. The drain is the half of the connection which drains the power from the source. In the same emergency power application described above, the network receiving the emergency power supply is the drain and would be fitted with Line Drain connectors, Panel Drain connectors or a Panel Drain Powersafe Box.

We commonly deal with both American Wire Gauge (AWG) and square millimetre (mm2) dimensions as the units used by manufacturers can vary. To convert between measurements please refer this conversion chart.