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Electrical Cables, Breakers & Distribution Boards

Cable, protection, distribution and wiring accessories for building electrical installations — from the incoming board down to the last socket outlet.

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Electrical

What this category covers

The electrical package for a building: single-core and multicore copper cables, miniature circuit breakers, residual current devices, moulded case circuit breakers, consumer units, metal and insulated distribution boards, enclosures, switches, socket outlets, wiring accessories, and the contactors, relays and control gear that sit behind them.

GCC supply is 220–240 V single phase and 380–415 V three phase, and — unlike most of the world at that voltage — commonly 60 Hz in Saudi Arabia and parts of the region. Frequency matters for motors, timers and some control gear, so it is worth confirming rather than assuming.

Common applications

Residential and commercial buildings, villa and apartment fit-outs, retail and office refurbishment, labour accommodation, warehouses and light industrial units, plant rooms and pump houses, and site temporary supplies.

What to settle before asking for a price

Cable size against load, length and installation method. A conductor is sized on the current it carries, the volt drop over its length, and how it is installed — a cable bunched in a full conduit in a hot ceiling void carries far less than the same cable clipped in free air. Gulf ambient temperatures make the derating factors more significant than the tables' reference conditions suggest.

Breaker rating and breaking capacity. These are two different numbers. The rating is the current the breaker carries continuously; the breaking capacity is the fault current it can interrupt safely, and it must be at least the prospective fault current at that point in the installation.

Tripping curve. B, C and D curves respond differently to inrush. Motor and transformer circuits nuisance-trip on a B curve; a lighting circuit rarely needs a D.

RCD sensitivity. 30 mA for additional protection against electric shock on socket and wet-area circuits; 100 mA and 300 mA for fire protection and discrimination upstream. Getting the discrimination wrong takes out a whole board on a single fault.

Enclosure IP rating. A board in a plant room, a car park or an external position needs an ingress rating that suits it — dust is a real factor in this region, not a theoretical one.

Approvals for the destination market. Saudi Arabia, the UAE and the other GCC states each operate conformity schemes for electrical products. Tell us the destination and we will confirm the current position for the item.

Industries we supply

Electrical and MEP contractors, panel builders, developers and main contractors, facilities management, industrial and logistics operators, and retail and hospitality fit-out companies.

Frequently asked questions

How do I size a cable correctly for a GCC installation?
Three checks, all of which must pass: current-carrying capacity for the load, volt drop over the actual route length, and the fault loop impedance for the protective device to operate in time. Then apply the derating factors for ambient temperature, grouping and installation method — in this region the ambient factor is significant and is the one most often skipped.

What is the difference between a breaker's rating and its breaking capacity?
The rating (for example 32 A) is the current it carries continuously without tripping. The breaking capacity (for example 6 kA or 10 kA) is the fault current it can safely interrupt. A breaker with an adequate rating but an inadequate breaking capacity is dangerous, because it cannot clear a fault at that point in the installation.

Which MCB curve should I specify?
Curve B for resistive loads and general lighting, curve C for mixed circuits and small motors — the usual default in building installations — and curve D for high inrush loads such as transformers and larger motors. Specifying too sensitive a curve produces nuisance tripping; too insensitive a curve delays clearance of a real fault.

Do you supply distribution boards built up, or as components?
Both. Send the schedule of ways, the incomer and outgoing device ratings, the enclosure type and IP rating, and the mounting arrangement, and we will quote either the board with its devices or the components for your own panel builder.

Is the supply frequency 50 Hz or 60 Hz in the Gulf?
It varies. Saudi Arabia operates at 60 Hz; some other GCC markets are at 50 Hz. Purely resistive equipment is unaffected, but motors, timers and some control gear are, so confirm the frequency of the destination site before ordering anything with a rotating or timing element.

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