Marechal DXN1 ATEX Plugs Zone 1 & Zone 2 Hazardous Area 20A 550V

Marechal DXN1 ATEX Plugs Zone 1 & Zone 2 Hazardous Area 20A 550V

Marechal DXN ATEX Plugs Zone 1 & Zone 2 Hazardous Area 20A 550V

Marechal DXN1 plugs and sockets are compact and watertight and are ATEX certified for use in Zone 1 & Zone 2 hazardous areas and have a rated current of 20A and a maximum voltage of 550V. DXN1 plugs and sockets are automatically IP66/IP67 when connected and the socket outlet itself is also watertight when the lid is closed.

DXN1 plugs & sockets have an incorporated breaking capacity of AC-22 / AC-23 and have an impact resistant GRP casing.

Marechal DXN1 ATEX Plugs – Technical Specification

Rated Current (with wiring according to standard) 20A
Maximum Voltage 550V
IP Protection Lid Closed IP66/IP67
IP Protection Connected Plug IP66/IP67
Shock Resistance IK08
Ambient Temperature -40ºC to +60ºC
Flexible Wiring (Min-Max) 1mm² – 4mm²
Stranded Wiring (Min-Max) 1.5mm² – 6mm²
Other Wiring On Request
Keying Positions 24
Protection Mode de
ATEX Zones 1 & 2, 21 & 22

Load Break Capability of Plug/Decontactor

  • Temperature rating – Gas temperature classes: T6 for an ambient T° between -40 and +40 °C,
    T5 for an ambient T° between -40 and +60 °C
  • Temperature rating – Dust surface temperature classes: Surface T° ≤70 °C for an ambient T° between -40 and +40 °C
    Surface T° ≤90 °C for an ambient T° between -40 and +60 °C
  • Comply with EN 60309-1 20 A / 550 V

Marechal DXN1 ATEX Plugs Zone 1 & Zone 2 Hazardous Area 20A 550V

The DXN1 is available in a wide range of voltages and polarity options for both female socket outlets and male inlet plugs:

  • 20-24V, 2P
  • 190-230V, 3P+E
  • 220-250V, 1P+N+E
  • 380V-440V, 3P+E
  • 380V-440V, 3P+N+E
  • 480-500V, 3P+E
  • 480-500V, 3P+N+E

♦ Should you require assistance selecting or ordering hazardous area plugs please contact T&D – note all Marechal socket outlets or inlets must be associated with a box, sleeve or handle to create a plug-socket assembly.

Voltage 50Hz Polarity Marechal Socket Outlet Female – DXN1 (20A) Marechal Inlet Male – DXN1 (20A)
20-24V 2P 251408A 251808A
190-230V 3P+E 2514033 2518033
220-250V 1P+N+E 2514015 2518015
380-440V 3P+E 2514013 2518013
380-440V 3P+N+E 2514017 2518017
480-500V 3P+E 2514093 2518093
480-500V 3P+N+E 2514097 2518097

A full range of boxes, sleeves, handles, adaptors and accessories can also be supplied. Marechal’s DXN range of plugs and sockets are suitable for rated currents from 20A up to 63A and maximum voltages from 550V up to 750V – high current, high temperature and fire resistant plugs are also available.

Marechal DXN ATEX Plugs – Technical Features

Specification  Marechal DXN1 Marechal DXN3 Marechal DXN6
Rated Current (ln) 20A 32A 63A
Umax 550V 750V 750V
Auxiliary Contacts (Optional) 2 2
Keying Positions (To distinguish between different power supplies & applications) 24 24 24
Protection Mode de and tb de and tb de and tb
ATEX Zones Zones 1 & 2 (Gas), Zone 21 & 22 (Dusts)


Hazardous Area Specialists
Hazardous Area Plugs

View the complete range of Hazardous Area Plugs manufactured by Marechal – T&D also supply Zone 1 & Zone 2 heatersenclosures, isolators, and junction boxes.

Data Sheets