High Current Plugs And Sockets | Marechal 75A-700A Power Connectors (Decontactors)
high current Plugs And Sockets
Thorne & Derrick International, based in the UK, are the leading stockists and suppliers of Marechal High Current Plugs And Sockets, offering an extensive and comprehensive product range for all industrial electrical power applications, with High Voltage Plugs And Sockets varying from 75A up to 700A maximum power currents and 1000 volt power supplies.
Our specialist team with 40+ years industry experience, offers competitive prices, fast delivery and expert technical support to enable the selection and specification of the correct High Current Plugs, Sockets & Decontactors for all industrial and hazardous area power distribution applications.
A Decontactor consists of a plug-and-socket device with an integrated load-break switch, engineered for the safe, quick, and tool-free connection or disconnection of electrical equipment under full load conditions — including motor loads. The key benefits include load-break capabilities, plug-and-play simplicity, fail-safe disconnection, mechanical interlock and a compact, robust design.
As well as the Marechal High Current Connectors, we stock and supply a wide variety of Marechal HV Plugs And Sockets, including ATEX Hazardous Area Plugs & Sockets, High Temperature Plugs & Sockets, Fire Resistant Plugs & Sockets and more.

Decontactors = Plug + Socket-Outlet + Motor Load Make/Break Switch. No ordinary plugs and sockets, Marechal Decontactors permit safe connection and disconnection of electrical equipment from live power supply, with no requirement for hard-wiring or contactor.
Marechal PF Plugs Heavy-Duty Plugs And Sockets
Marechal’s range of Heavy-Duty PF High Current Plugs And Sockets includes rated currents from 315A to 600A and rated voltages from 690V to 1000V, with 2-6 auxiliary contacts and 7-10 keying positions (to distinguish between different power supplies & applications).
- Marechal PFQ3 Plugs And Sockets Outlets
- Marechal PFQ4 Plugs And Sockets Outlets
- Marechal PFC4 Plugs And Sockets Outlets
- Marechal PFC5 Plugs And Sockets Outlets
- Marechal PFC6 Plugs And Sockets Outlets
PF Range Benefits & Specifications
- Up to 600 A / 1 000 V
- Automatic IP66/IP67 water- and dust-tight
- Mechanical and electrical interlocking
- Up to 6 auxiliary and 2 pilot contacts
Marechal DS4 Plugs high current connectors
The Marechal DS4 High Current Plugs And Sockets offers a rated current (with wiring according to standard) of 400A and a maximum voltage of 1000V, as well as 2 pilot contacts, 12 keying positions and an ambient temperature range of -40ºC to +60ºC.
Read more about the Marechal DS4 âž¡
Product Innovation In Electrical Distribution & Safety
DS4 Benefits & Specifications
- Up to 400 A / 1 000 V
- 2 pilot contacts as standard
- Electrical locking system
- Insertion mechanism
- Ingress protection IP54 (optional IP66/IP67)
- Shock resistance IK09
- Flexible wiring (min-max) 95 mm² – 150 mm²
- Stranded wiring (min-max) 95 mm² – 185 mm²
Marechal CS1000 Plugs Single-Pole power connectors
The Marechal CS1000 High Current Plugs And Sockets Outlets Single Pole Power Connectors provides a rated current of 400A (with wiring according to standard), a maximum voltage a.c of 1000V and a maximum voltage d.c of 1500V and 5 keying positions.
CS1000 Benefits & Specifications
- Up to 400 A / 1 000 V
- Automatic IP66/IP67 water- and dust-tight
- Mechanical fool-proofing
- Padlocking ring
Marechal SP Plugs Single-Pole Power connectors
The Marechal SP High Current Plugs And Sockets Outlets offers a rated current of 700A (with wiring according to standard), a maximum voltage a.c 1000V, a maximum voltage d.c 1500V, 5 mechanical and visual keying positions, as well as automatic IP66/IP67 connection.
SP Benefits & Specifications
- Up to 700 A / 1 000 V
- Automatic IP66/IP67 water and dust tight
- Electromechanical interlocking system
- IK08 shock resistance
- Ambient temperature range of -40ºC to +60ºC
- 2000 operations
Marechal CS Plugs Single-Pole Welding Connectors
The range of Marechal CS High Current Socket Outlets includes the CS2 and CS3, with rated currents from 75A up to 250A and a very low maximum voltage of 50V.
CS Benefits & Specifications
- From 75 to 400 A
- Bayonet contact system
- Self-cleaning contacts
- 16 to 150 mm2 Â conductors
Power Plugs For Industry
Visit our Blog to discover how Marechal decontactors provide safe and reliable low voltage power to all industries.
âž¡ For complete information, specifications and technical data about Marechal High Current Plugs please refer to the product sections below – contact T&D to discuss applications for hazardous area plugs and sockets for potentially explosive atmospheres including Zone 1 & Zone 2.

Food & Beverage. Waterproof plugs (IP66 IP67) withstand high pressure cleaning, spray and humidity.

Oil & Gas. ATEX plugs certified for hazardous area Zones 1/2 (gas) and Zones 21/22 (dust).

Heavy Industry. Electrical power plugs up to 750A with safe disconnect under load.
âž¡ Read Blog:Â High Temperature Plugs For Critical Heat Resistant Applications