Marechal DXN1 Decontactor, Plugs & Sockets ATEX 20A 550V | Zone 1 & Zone 2 Hazardous Area

Marechal DXN1 Decontactor ATEX Plugs & Sockets - Outlet & Inlet

ATEX Marechal DXN1 Decontactor 20A 550V Inlet & Outlet

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The Marechal DXN1 Decontactor Plugs & Sockets are designed for industrial and hazardous area applications, offering a rated current of 20A and a maximum voltage of 550V. They deliver automatic IP66/IP67 protection when connected and watertight sealing with the lid closed, while ATEX certification for Zones 1, 2, 21 and 22 ensures safe operation in explosive atmospheres.

The DXN1 Marechal Decontactor, Plugs & Sockets are designed for industrial use in Hazardous Areas Zones, Zone 1 & Zone 2, with ATEX certification, and offer a rated current of 20A and a maximum voltage of 550V. Marechal DXN1 connectors are automatically IP66/IP67 when connected, with the additional feature of watertight construction when the socket lid is closed.

The DXN1 by Marechal is ATEX rated for Zone 1, Zone 2, Zone 21 & Zone 22, indicating this Decontactor is ideally suited and protected against hazardous area environments and potentially explosive atmospheres. Marechal DXN1 Decontactors, Plugs & Sockets have an incorporated breaking capacity of AC-22 / AC-23 and have an impact resistant GRP casing.

Contact our experts – order or find out more about the DXN1 and our full range of Marechal Plugs, Sockets & Decontactors. We provide technical advice, quotations, and fast delivery for UK and export projects.

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DXN1 Decontactor Technical Specifications

Marechal DXN1 Plugs, Sockets & Decontactors – 20A, 550V

DXN1 Electrical Features
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	-40°C to +60°C
Flexible wiring (min–max)	1 mm² – 4 mm²
Stranded wiring (min–max)	1.5 mm² – 6 mm²
Other wiring	On request
Keying positions	24
Protection mode	de
ATEX zones	1 & 2, 21 & 22

Load Break Capability of DXN1 Decontactor

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

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

♦ Should you require assistance selecting or ordering ATEX rated hazardous area plugs and sockets 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.

Marechal DXN1 Plug & Socket Outlets & Inlets – 20A

Marechal DXN1 Socket Outlets (Female) & Inlets (Male) – 20A Decontactors

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

Marechal DXN1 Plugs Options, Wall Boxes, Handles & Sleeves

DXN1 Options
Locking pin for 2 padlocks Ø 4–8 mm (padlock not supplied)	Socket-outlet ref. 843
Safety hasp for up to 6 padlocks	613A54
Larger release button	Socket-outlet ref. 453
Inlet cap IP66/IP67	251A26
Self-closing / self-returning lid	Socket-outlet ref. R
Compatibility with DSN socket-outlet (industrial range)	Contact us
Self-ejection	See page 204

DXN1 Wall Boxes
Wall box poly with EX poly cable gland	30° — 5–10 mm Offset options also available	251AB531P 251AB533P 251AB532P
Wall box poly without cable gland	Incline: 30° Entry: M20	251AB5317 251AB5318
Wall box poly with EX poly cable gland	70° — 10–14 mm 70° — 12–18 mm 70° — 16–25 mm	251AB822P 251AB825P 251AB832P
Wall box poly with metal cable gland (earth continuity)	70° — 8–10 mm 70° — 12–14 mm 70° — 18–24 mm	251AB820M 251AB825M 251AB832M
Wall box poly with terminal blocks (IECEx LCIE 16.0042X / LCIE 16 ATEX 3054X)	70° — 10–14 mm 70° — 12–18 mm	251AB822P II 251AB825P II

DXN1 Handles
Poly handle with gland EX poly	10–14 mm 12–18 mm 16–25 mm	251A753 251A2525P 251A2532P
Poly handle with EX poly gland (self-ejection option)	10–14 mm 12–18 mm	251A463 251A4325P
Straight poly handle with metal gland (earth continuity)	8–10 mm 12–18 mm 18–24 mm	251A2520M 251A2525M 251A2532M

DXN1 Sleeves
Inclined poly sleeve — 30°	251A657
Inclined poly sleeve — 70°	251A757

Marechal DXN DECONTACTORS ATEX Range

A full range of boxes, sleeves, handles, adaptors and accessories are also available. Marechal’s DXN range of Plugs, Sockets & Decontactors 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 DXN1 • DXN3 • DXN6 — Technical Comparison

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

Hazardous Area Specialists

Thorne & Derrick offer the complete range of Hazardous Area Plugs manufactured by Marechal, as well as Zone 1 & Zone 2 heaters, enclosures, isolators, and junction boxes. We provide competitive pricing, excellent customer service & fast worldwide delivery.

Hazardous Area Plugs