Secondary medium voltage distribution boards

FEATURES

Description

The offer is made up of a series of compartments with air insulation for distribution systems up to 630 A at 24 kV; the compartments are modular and totally interchangeable and can be used to make complex or small distribution boards with the same ease. The range also includes ready for use solutions called “Monoblocs”. These can cover the main installation needs required by the reference standards.

As standard the QMT range products guarantee resistance to internal arcing on the front and sides of the distribution board up to 12.5 kA for 1 s and are suitable for installation even in small rooms.

All the devices have a rated seal voltage to atmospheric impulse between the phases and towards the earth of 125 kV. The front protection index is IP3X according to the ICE 60529 standards.

Online catalogue

Discover more on the on-line catalogue

Range

QMT compact solutions for all the installations

The QMT distribution board range offers various small compartments, which offer in a 375 mm space the same performance as a classical solution taking up 750 mm.

Protection relay

The compartments can be equipped with protection relay for maximum safety and control. The relays are supplied and programmed with the customer's specifications.

Pre-assembled monoblocs

Ready-for-use solutions which come with all the accessories such as protection relays and measurement sensors. These units combine simplicity with completeness.

Insulated internal connection

The devices are connected internally with completely isolated accessories to reduce the possibility of a fault and for use in places with difficult environmental conditions.

Dimensional data

Returning compartments

Compartments with disconnector

Compartments with circuit breaker and disconnector

Solutions for MV/LV secondary distribution cabins.