Sparks Electrical News

Selecting the correct Circuit Breaker (CB) for your distribution panel is crucial for the longevity of the installation as well as the safety of those maintaining and occupying the premises. This article addresses the selection of key breaker attributes such as voltage, current and kA rating.

The size S6 to S12 range of tried and tested contactors from 55 to 250 kW (AC-3, 400 V) has been expanded by versions suitable for direct control from fail-safe controllers. This makes the coupling level superfluous. The new contactors are also available with non-removable, lateral auxiliary switches to enable fulfilment of Swiss Accident Insurance Institute (SUVA) requirements.

Contractors are often presented with a common problem during the installation of 4 x 4, 4 x 2 and round boxes. While the installation methods of round boxes may differ from those of 4 x 4 and 4 x 2 boxes, the problem of debris, mortar and concrete getting into the conduits and boxes remains a daily struggle.

The Magnet Group has recently completed the installation of a Philips Lighting circadian rhythm lighting system at the head offices of Growthpoint Properties – the first project of its kind for Philips and Magnet Energy in South Africa.

Let me start by introducing myself as a first-time contributor to this widely read magazine. I have been an avid reader for the past three years and it is an honour to contribute to a magazine I have read, both in hard copy and soft copy.

Schneider Electric Universal Enclosures (SEUE), previously known as SAREL and HIMEL brands, is a leading name in enclosure design and manufacture. Elen Enclosures has been the South African importer and distributor of these products since 1982 and remains the authorised enclosure partner today.

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Contact Sparks Electrical News

Title: Editor
Name: Gregg Cocking
Email: sparks@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

Title: Advertising Manager
Name: Carin Hannay
Email: carinh@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

 
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