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Pullout prevention on pluggable power supplies

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To avoid the danger of accidentally unplugging a power cable from the device, several various types of pullout preventers are offered.

V-Lock locking system for the IEC-appliance couplers

The V-Lock locking system can be used for 10 A and 16 A power inlets and connectors according to IEC 60320. This system works in such a way that there is a pin in the socket, interlocking with a notch in the plug and thus prevents an unintentional pullout of the power cable.

The locking is released by pressing on the releasing lever. This lever is easily detected by its bright yellow colour and thus distinguishes this system from existing power cable connections.

TwyLock system for the IEC-appliance couplers

TwyLock cord retention devices are based on a suitable plug-socket combination. The device socket outlets have two openings on the side for snapping in the cams of the device connector plugs of the power supply cord or the interconnection cord. The TwyLock system prevents unintentional disconnection of the plug connection.

The latch is released again by pressing the side release levers with your finger. This approach is already known from network cables.



Plug connection with retaining clip

Another type of pullout prevention on pluggable power supplies are retaining clips, which are mounted to the device plug and are pressed over the cord connector. Regardless of device plug type and the multitude of electrical sockets shapes, the correct selection of retaining clip must be made. This retaining clip system ensures that the plug is correct, i.e. adequately deep, inserted to avoid the danger of accidentally unplugging a power cable from the device.

IP protection to the device including power supply protection

A special sealing kit increases the IP protection to the device including the protection of the plug connection. This additional safeguard assures a certain protection against the unwanted entry of moisture and dust when working with power cables that are plugged in. The power supply seal is produced with an inlet gasket around the plug pin. When plugged into a cable socket, the seal prevents liquids and dust on the plug pins from reaching live parts, as well as from ending up in the socket.

The device plug with inlet gasket is approved by IEC and UL. To be sure that the cord connector really is properly and completely plugged in, and to additionally protect the connection from accidentally being unplugged, device plugs should be equipped with a pullout preventer. Only in this way can an IP-protected connection be secured, regardless of operating conditions.


Plug connection with retaining clip and additional sealing kit.

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