EX plug-in devices, explosion-proof, current-carrying part - socket - 400V, 63A, 4P IP66/67 2564013

Power Supply in Harsh Conditions: 63A Explosion-Proof Socket

This solution is designed for locations where standard sockets do not meet safety requirements. The EX plug-in device, being the current-carrying part of the system, ensures reliable 400 V power connection for high-current equipment, even in explosion-hazardous zones. Thanks to explosion hazard class IIA and certified flameproof protection type ED, the socket can be safely installed in zones 1, 2, 21, and 22. This is crucial for industrial installations where the presence of gases or dusts requires strict adherence to explosion-proof standards.

The housing made of polyamide features a very compact design, facilitating installation in confined spaces while ensuring high mechanical resistance. Protection rating IP66/67 guarantees dust tightness and effective protection against immersion in water or powerful water jets – ideal for outdoor applications or production halls requiring frequent washing. An additional advantage is impact resistance IK08, meaning the device can withstand mechanical impacts typical of industrial environments.

Construction and Connection Safety

Inside the housing are silver contacts equipped with front pressure. This construction ensures low transition resistance and stable connection even at high rated currents up to 63 A. The number of poles is 4 (3 phases + N), and the contact arrangement complies with EN 60309-2 standard for 400 V voltage (color code: red). The protective contact position indicator is set to 6 h, which is standard for this type of socket and facilitates quick identification during installation or maintenance.

The cable entry direction is straight, simplifying wiring in surface-mounted installations. Electrical connection is made via screw terminals, allowing secure clamping of conductors with appropriate cross-sections. The contact material is raw brass (CuZn), ensuring good conductivity and corrosion resistance while maintaining optimal production costs.

Key Benefits and Applications

By choosing this socket, the installer and end-user gain confidence in system operation under demanding conditions:

• Safety in EX zones: Certified flameproof protection type ED allows operation in explosion-hazardous zones with gases (IIA) and dusts (IIIA).
• Resistance to external factors: IP67 rating protects against water and dust, while IK08 protects against mechanical impacts.
• Connection durability: Silver contacts with front pressure minimize the risk of overheating under prolonged 63 A current load.
• Mounting versatility: Straight cable entry direction and surface-mounting capability facilitate integration with existing installations.
• Compliance with standards: 400 V voltage (50+60 Hz) and red color comply with international EN 60309-2 standards.

This device constitutes a solid component of the distribution system where fire safety and weather resistance are priorities. Thanks to precise manufacturing and the use of high-quality materials, the socket performs well both as a fixed installation element and as an access point for portable electrical equipment. All key technical data – such as rated current of 63 A, mains voltage of 400 V, and explosion hazard class IIA – have been incorporated into the device design in accordance with requirements for zones 1, 2, 21, and 22.