Electrical Enclosures

An electronic or electrical enclosure is primarilycovered by the enclosures IP rating. IP stands for
used to protect the users and the contents from'Ingress Protection' and the ratings are used to
the environment. They are boxes or cabinetsdefine the effectiveness of the sealing of the
which enclose electrical or electronic equipment.electrical enclosure against intrusion from foreign
They are used to mount knobs, switches andbodies ( dirt etc ) and moisture.
displays and also to prevent electrical shock toWeatherproof enclosures are extremely
equipment users.important, and the level of protection that is
They are only a part of the equipment whichrequired depends on the type of anticipated
may be seen by the users, and sometimes theyweather.
are designed not only for their functional use, butIf an electrical enclosure is to be located in a
also for aesthetic purposes, especially if they aredamp or rainy area, then anything from an IP66
to be positioned in public places; so it is importantwould be suitable. If the weather is just dry and
that they are pleasing to the eye, and fit moredusty then an IP65 would suffice.
comfortably in with the environment.Waterproof enclosures are totally waterproof.
They are generally manufactured from metalsAnd an enclosure with an IP68 rating is required
such as aluminium or steel, rigid durable plastics,for prolonged immersion in water under pressure,
and may even be made from wood toor an IP67 rating for temporary immersion in
accommodate any equipment for which they arewater.
used. Some enclosures may have punched out
holes or knockouts that are removed thusOther types of electrical enclosures include:o
allowing access for conduits, connectors or cables.Polyester/ GRP enclosures (Glass Reinforced
There are many companies that supply electronicPolyester)o Polycarbonate/ ABS enclosures
enclosures and some may even customise the(Acrylonitrile Butadiene Styrene)o Steel enclosures
product to meet any specific needs such as,and cabinets (Mild & Stainless steel)o Hand
tapping, drilling punching, milling, painting andheld enclosureso Aluminum enclosures
powder coating to any colour.Closures are available in many different materials,
Many electrical enclosures have some type ofand some fire rated enclosures can withstand 950
weatherproofing, and the level to which andegrees centigrade for up to three hours.
enclosure will protect any electrical items is