400A MDA, MCCB/MCB Distribution

Mains Distribution Assembly manufactured in accordance with BS EN 61439-4 designed for arduous outdoor installations.

Enclosure
Robust sheet steel enclosure of seam welded construction, providing protection to IP44. The enclosure is free-standing, double-sided and incorporates a projecting rain roof, side hinged padlockable distribution compartment doors and removable gland plates for incoming and outgoing cables. The enclosure is protected against corrosion by a high quality, outdoor finishing system comprising of a zinc phosphate pre-treatment followed by polyester powder coating, colour bright red (Vermilion, RAL 2002).
Enclosure dimensions: 1374H x 1351W x 562D mm.

Incomer
Fitted a 400A 4P MCCB, padlockable in the OFF position.

Bus Bars
Fitted a bus bar system with a short circuit rating of 25 kA, based on our ASTA certified assembly.

Distribution
1 no. 250A 4P MCCB with variable Type A RCD protection (MCCB adjustable from 250A to 90A), mounted within a segregated compartment.
2 no. 160A 4P MCCBs with variable Type A RCD each feeding an integral 12W pan assembly. All ways are blanked off.