Marechal P66 | 660A Plug & Socket | 1100V IP66 IP67
Industrial Plugs & Sockets | MARECHAL Stockists & Suppliers
MARECHAL P66 Plug & Sockets
The MARECHAL P66 industrial plug and socket outlets, rated for 660A, represent MARECHAL’s latest advancement in their range of industrial connectors – a highly advanced solution for heavy-duty applications.
P66 plug and socket outlets are automatically IP66/IP67 when connected and are suitable for use in quarries, tunnel boring machines, port cranes, mining equipment and all ship to shore applications.
The P66 complies with the following regulations and standards(a): European Low Voltage and RoHS Directives (CE marking), European REACH Regulation. High-voltage, harsh conditions, mobility features and international safety expectations, P66 stands for robustness, cutting edge technology, sustainability and extreme reliability.
Thorne & Derrick International, based in the UK, are the Preferred UK Distributor for MARECHAL Plugs, Sockets & Decontactors suitable for hazardous area and industrial applications.
P66 Key Highlights
The P66 is vibration and corrosion-resistant and waterproof, making the P66 manufactured to live up to the industry’s highest requirements. With it being robust, it ensures longevity and easy and low maintenance thanks to the availability of its original spare parts.
The handles of the P66 come with a threaded plate that can be angled or straight to accommodate varying cable diameter sizes, enabling a wide range of configurations. Lightweight, high-tech and easy to wire, allows the P66 to ensure safety while providing optimum mobility.
- Automatic IP66/IP67
- 8 auxiliary contacts + 2 pilots
- Metal casing, IK10
- T °C : -40 °C / +80 °C
p66 plug & Socket standards
The P66 handles are used to suit different cable diameters, allowing all kinds of configurations. Light, high tech and easy to wire, P66 ensures safety while providing optimum mobility.
- European Low Voltage and RoHS Directives (CE Marking), European REACH Relegation.
- Ensures that electrical machines comply with the European “Machinery” Directive in respect of disconnecting switches
Marechal P66 General Information
Imax (b) | 660 A |
Umax | 1 100 V AC/1 500 V DC |
Frequency (c) | ≤ 500 Hz |
Number of contacts (d) | 4P+E |
Number of keying positions (e) | 10 |
Connection (min – max) conductors (Cu) | |
Flexible & Rigid/stranded : main contacts | Cage terminal: 150-400 mm² |
Straight lug with hole: 120-240 & 150-300 mm² | |
Tightening torque – main contacts | Cage terminal : 6 N.m |
Straight lug with hole : 40 N.m | |
Ferrule : Reducer / Amplifier | 95 – 150 mm² |
Auxiliaries / Pilots Contacts – P66
Number of auxiliaries | 8 |
Imax | 10 A |
Umax | 400 V |
Connection (min – max) | |
Flexible wiring | 2.5 mm² (Pre-wired) |
Number of pilots contacts (f) | 1 |
Imax | 0,5 A |
Umax | 400 V |
Pmax | 10 W |
Connection (min – max) | |
Flexible wiring |
0,14 mm² (Pre-wired) |
Number of operations |
|
Mechanical | 2000 |
Thermal features | |
Temperature of use mini/maxi | -40/+60 °C |
Storage temperature mini/max |
-40/+80 °C |
Mechanical features
IP: connected device (g) | IP66/IP67 |
IP: lid/cap closed (g) | IP66/IP67 |
IP: socket-outlet with lid/cap opened (g) | IP2X |
IK (h) | IK10 |
Retaining/releasing device | Levers |
Casing | Aluminium |
Standard colour | Grey |
Vibrations resistance | ✓ |
Resistance to chemical agents |
✓ |
Salt mist resistance | Contact us |
Screws and bolts | Stainless steel |
Weight of inlet without accessory (≈) | 5,8 kg |
Weight of socket-outlet without accessory (≈) | 7,5 kg |
Main Options | |
Light indicator | ✓ |
Inlet cap | Included : IP66/IP67 |
Outlet cap | Included : IP66/IP67 |
Locking pin | Included |
Padlocking | ✓ |
Pilotes contacts (REED) | Included |
(a) European Regulation REACH: registration, evaluation, authorisation and restriction of chemicals
(b) In : Rated current as defined by the manufacturer
(c) Other frequency: contact us
(d) Solid silver-tipped contact
(e) Number of voltage / frequency / grid, keying positions
(f) Pilot contacts are only located on the socket-outlet side
(g) IP : Degrees of protection provided by enclosures (IEC/EN 60529)
(h) IK : Degrees of protection provided by enclosures against mechanical impacts (IEC/EN 62262)
Mounting Accessories & Spare Parts
Metal straight handle with built-in cable gland: range take | 40 – 90 mm |
Threaded metal straight handle + multi cable glands plate | M50 – M90 |
Metal 90° angled-handle with built-in cable gland: range take | 40 – 90 mm |
Threaded metal 90° angled-handle + multi cable glands plate | M50 – M90 |
Inlet or socket-outlet interior moulding | ✓ |
Inlet or socket-outlet contacts | ✓ |
Inlet or socket-outlet casing | ✓ |
Socket-outlet casing gasket | ✓ |

Marechal P66 Dimensions
MARECHAL high current plugs & sockets offer an extensive and comprehensive product range for all industrial electrical power applications with power currents varying from 75A to 700A with 1,100 volt power supply and are available from stock from Thorne & Derrick.