Marechal DXN3 ATEX Decontactor 32A 750V | Zone 1 & Zone 2 Hazardous Areas

Marechal DXN1 Decontactor ATEX Plugs & Sockets - Outlet & Inlet

ATEX Marechal DXN3 Decontactor 32A 750V Inlet & Outlet

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The Marechal DXN3 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.

Marechal DXN3 Decontactor, Plugs & Sockets are expertly crafted to be used in hazardous areas and potentially explosive atmospheres, such as industrial environments, offering ATEX certification in Zone 1, Zone 2, Zone 21 & Zone 22, also making the DXN3 suitable for gas/dust based environments. The Marechal DXN3 provides a rated current of 32A and a maximum voltage of 750V and its plugs and sockets are automatically IP66/IP67 when connected.

The DXN3 is known for its socket with an integrated switch feature, allowing you to switch off the power on load for maximum electrical safety, as well as its compact and watertight sealed design, preventing any risk of environmental damage. Additionally, the Decontactor has an incorporated breaking capacity of AC-22 / AC-23 and impact resistant GRP casing. Marechal DXN3 Plugs, Sockets & Decontactors are also easy to install, cost-effective, packed with safety features, offers exceptional connection quality and is more effective than an automatic terminal block.

Contact our experts – order or find out more about the DXN3 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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Marechal DXN3 Decontactor Technical Specifications

Marechal DXN3 Plugs, Sockets & Decontactors – 32A, 750V

DXN3 Electrical Features
Rated current (with wiring according to standard)	32A
Maximum voltage	750V
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)	2.5 mm² – 10 mm²
Stranded wiring (min–max)	2.5 mm² – 16 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° ≤57 °C for an ambient T° between -40 and +40 °C
Surface T° ≤77 °C for an ambient T° between -40 and +60 °C
Comply with EN 60309-1: 32 A / 750 V

The DXN3 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 hazardous area plugs and sockets, please contact Thorne & Derrick. Please note, all Marechal socket outlets or inlets must be associated with a box, sleeve or handle to create a plug-socket assembly.

Marechal DXN3 Socket Outlets (Female) & Inlets (Male) – 32A Decontactors

Voltage 50Hz	Polarity	Marechal Socket Outlet Female – DXN3 (32A)	Marechal Inlet Male – DXN3 (32A)
20–24V	2P	253408A	253808A
190–230V	3P+E	2534033	2538033
220–250V	1P+N+E	2534015	2538015
380–440V	3P+E	2534013	2538013
380–440V	3P+N+E	2534017	2538017
480–500V	3P+E	2534093	2538093
480–500V	3P+N+E	2534097	2538097

Marechal DXN3 Plugs Options, Wall Boxes, Handles & Sleeves

DXN3 Options	Product References
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	253A426
Self-closing / self-returning lid	Socket-outlet ref. R
Compatibility with DSN socket-outlet (industrial range)	Contact us
Self-ejection	See page 204

DXN3 Wall Boxes	Angle	Input	Product References
Wall box poly with EX poly cable gland	30° 30°	10–14 mm 12–18 mm	253AB53 253AB5325P
Wall box poly without cable gland	30° 30°	M20 M25	253AB3417 253AB53418
Wall box poly with EX poly cable gland	70° 70° 70°	10–14 mm 12–18 mm 16–25 mm	253AB8820P 253AB8825P 253AB8832P
Wall box poly with metal cable gland (earth continuity)	70° 70° 70°	8–10 mm 12–14 mm 18–24 mm	253AB8820M 253AB8825M 253AB8832M
Wall box poly with terminal blocks (IECEx LCIE 16.0042X / LCIE 16 ATEX 3054X)	70° 70°	10–14 mm 12–18 mm	253A08820P 253A08825P

DXN3 Handles	Input	Product References
Poly handle with gland EX poly	10–14 mm 12–18 mm 16–25 mm 22–32 mm	253A753 253A783 253A2533P 253A2540P
Straight poly handle with metal gland (earth continuity)	8–10 mm 12–18 mm 18–24 mm	253A25320M 253A25325M 253A25332M

DXN3 Sleeves	Product References
Inclined poly sleeve — 30°	253A027
Inclined poly sleeve — 70°	253A757

Marechal DXN Decontactors ATEX Range

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 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