QIXING QX5792 Reefer Interlocked Switched Socket 4 Pin 32A 3H IP67

Description

A reefer-keyed switched socket with a built-in safety interlock.

The QIXING QX5792 is a CEE Form interlocked switched socket rated 4 pin, 32A, 400-440V, with an IP67 weatherproof rating and a 3h clock position keyed specifically for refrigerated container (reefer) circuits. It combines a surface-mount socket with an integral isolating switch and a mechanical interlock, so the socket cannot be switched on until a plug is fully inserted, and the plug cannot be removed while the switch is on. This makes connecting and disconnecting safer, since the contacts are never live while a plug is being inserted or withdrawn. These are European-standard industrial connectors conforming to EN/IEC 60309-2, used wherever a robust, weatherproof, switched reefer connection point is required.

Key Features

• CEE Form socket with integral isolating switch
• Mechanical interlock – no live connect or disconnect
• 3h clock position – keyed for refrigerated container (reefer) circuits
• 4 pin – three phase (3 phases + earth, no neutral)
• 32A rated current
• 400-440V
• IP67 – protected against dust and temporary immersion
• Surface-mount enclosure with cable-entry gland
• Conforms to EN/IEC 60309-2

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What a Reefer Interlocked Socket Does

A reefer interlocked switched socket combines an industrial socket, an isolating on/off switch, and a mechanical interlock linking the two, with keying dedicated to refrigerated container circuits. The interlock enforces a safe sequence – the switch can only be turned on once a plug is fully engaged, and the plug can only be withdrawn once the switch is off – so the contacts are never live while connecting or disconnecting. The QX5792 is the 32A four-pole reefer version, used to supply and isolate refrigerated containers and similar three-phase equipment.

Keyed for Reefer Circuits

The 3h clock position refers to the keyed position of the earth contact under IEC 60309. The 3h key is the dedicated position for refrigerated container (reefer) supplies in the 400-440V band, distinct from the 6h position used for standard 400V circuits. This keying means the socket only connects with a matching 3h reefer plug, preventing reefer equipment from being cross-connected to a standard supply, and vice versa. Rated IP67, it is protected against dust and the effects of temporary immersion in water, suiting ports, container yards and other demanding outdoor locations.

Three Phase Power

With four pins carrying three phases and earth, the QX5792 supplies three-phase reefer equipment at 32A without a neutral, with the added safety and convenience of local switching. As an IEC 60309-2 connector it follows the international pin-and-sleeve standard, so it mates reliably with other IEC 60309 reefer equipment of the same rating and 3h configuration.

Q: What is the QX5792 used for?
A: It is a surface-mounted industrial socket with an integral switch and mechanical interlock, keyed at the 3h clock position for refrigerated container (reefer) circuits. The QX5792 is the 4 pin 32A reefer version, used to supply and isolate reefer containers and similar three-phase equipment.

Q: Why is the reefer socket keyed at 3h instead of 6h?
A: The 3h clock position is the dedicated IEC 60309 keying for refrigerated container supplies in the 400-440V band. It ensures reefer equipment only connects to a matching 3h reefer socket and cannot be plugged into a standard 6h 400V supply.

Q: What does IP67 mean for this socket?
A: IP67 means it is fully protected against dust and can withstand temporary immersion in water, suiting ports, container yards and other demanding outdoor environments.