Enclosures
An industrial enclosure is defined as a solution from a certain material designed to protect your electrical and electronic componentry from hostile environments. NHP offers a range of enclosures from economical terminal boxes through to larger wall mount enclosures and bayable floor mount enclosures. Our enclosure solutions are available in a range of materials including ABS plastic, glass-fibre-reinforced polycarbonate, aluminium, powder coated mild steel and marine grade 316L stainless steel.
NHP is proud to offer enclosure solutions from our Supply Line Partners Fibox and nVent HOFFMAN, which meet a range of global approvals.
Product highlights/range
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Fibox ARCA Polycarbonate Enclosures
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nVent HOFFMAN Stainless Steel Enclosures
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NLINE ABS Plastic Enclosures
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nVent HOFFMAN Mild Steel Enclosures
Fibox ARCA Polycarbonate Enclosures
- 25 years’ life expectancy in full sunlight
- Strength of steel with a fraction of the weight
- Modular, click-in accessory range saves assembly time
- Sizes from H200 up to H800mm
nVent HOFFMAN Stainless Steel Enclosures
- Smooth 400 surface finish inhibits microbial growth and tea staining
- Include terminal boxes, standard wall mount enclosures and floor standing models
- A dedicated Hygienic Design range is available for Food and Beverage and other chemical washdown applications
- SRE models available in X15 orange powder coat finish
NLINE ABS Plastic Enclosures
- Economical range of ABS plastic terminal boxes and powder coated mild steel wall mount enclosures
- Terminal boxes available in 14 sizes with grey and transparent lids
nVent HOFFMAN Mild Steel Enclosures
- Comprehensive range of powder coated mild steel wall mount and floor standing enclosures
- Floor standing enclosures in sizes from H1200mm up to H2000mm in single and double door versions
- Floor standing models available in fully welded and bayable versions
- Wall mount enclosures available in sizes from H200 x W200mm up to H1000 x W800mm
Resources and downloads
For further information on the extensive range of enclosures, please download the product brochures below, contact your local NHP Account Representative or call us on 0800 NHP NHP.
For a high level overview of NHP's range of enclosures, please take a look at the Enclosures Easy Selection Guide.
Enclosures technical downloads
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Fibox ARCA Polycarbonate Enclosures
Fibox ARCA Polycarbonate Enclosures
Fibox ARCA glass-fibre-reinforced wall mount cabinets enclose and protect your equipment and devices in all conditions, even the harshest and most demanding environments. The ARCA range is the future of wall mounted enclosures, combining the strength of steel with a lightweight, corrosion free and easy to machine material that has been tested to the equivalent of 25 years of UV exposure, making it ideal for outdoor applications.
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nVent HOFFMAN SSTB Stainless Steel Terminal Boxes
SSTB Stainless Steel Terminal Boxes
When it comes to the harshest of outdoor environments, only 316L marine grade stainless steel will do. The nVent HOFFMAN SSTB terminal box range is fully UL and IP66 certified with 316L grade stainless steel and a 400 dairy finish, ensuring your vital componentry is protected against the worst of seaside corrosion, outdoor elements and wash-down chemicals.
With fully welded construction providing no bacteria contamination points, the SSTB range can be mounted any way you want. The special white gasket features higher UV and chemical resistance than traditional polyurethane (PUR) gaskets with almost zero water absorption for a longer life expectancy. Stainless steel wall mount brackets compliment the range as well as mild steel DIN rail supports and mounting plates.
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The Complete NLINE Range
The Complete NLINE Range
NLINE insulated ABS plastic terminal boxes are a high quality product to suit economical solutions. IP65/IK07, NLINE insulated plastic enclosures are available with the option of grey or transparent covers. The material is a halogen free, RoHS compliant, fully insulated ABS plastic suitable for indoor use. Mounting screws are included, with the option of mounting plates or DIN rail.
Extra features include a plain face for printing, stickers and switches, as well as wire seal compatible cover screws for peace of mind. Suitable where an economic, long-lasting and easy to use product is required, the NLS range is ideal for HVAC, telecommunications and other indoor applications. With RAL 7035 powder coated high quality mild steel, an IP66/IK10 protection rating and reversible door, the NLS range is available in sizes from H200 up to H1000mm. Included in delivery is a 2mm galvanised steel mounting plate, gland plate, double-bit 3mm lock, with pre-drilled holes providing the option to install AW41 wall mounting brackets.
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nVent HOFFMAN Floor Standing Enclosures
nVent HOFFMAN Floor Standing Enclosures
The nVent HOFFMAN floor standing enclosure range is available as fully welded and bayable models in single door and double door models in powder coated mild steel and 316L stainless steel finished. With heights from H1600mm through to H2000mm and a range of modular, click-in mounting and baying accessories, this range has been designed with ease of assembly in mind.
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nVent HOFFMAN Stainless Steel Sloped Roof Wall Mount Enclosures
nVent HOFFMAN Stainless Steel Sloped Roof Wall Mount Enclosures
The nVent HOFFMAN Sloped Roof Enclosure mount enclosures feature a 38 degree sloped roof (the angle of repose of coal) and uses marine grade 316L stainless steel. With wall mounting flanges top and bottom for easy mounting, there is no need to drill extra holes into the enclosure, thus maintaining the IP66 integrity.
The special white silicone gasket features higher UV and chemical resistance than traditional polyurethane (PUR) gaskets, with almost zero water absorption for a longer life expectancy. Available in sizes from H300 up to H800mm and in both natural and X15 orange finishes, the SRE range is deal for mining, resources and dusty environments and heavy duty applications.
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nVent HOFFMAN STB Mild Steel Terminal Boxes
STB Mild Steel Terminal Boxes
nVent HOFFMAN STB mild steel terminal boxes are manufactured to the highest quality in light grey RAL 7035 powder coat finish. Perfect for indoor terminal, pushbutton or instrumentation applications, the STB range is available in two different depths to accommodate different requirements.
Using 1.2mm mild steel, these enclosures are folded and fully seam welded and includes four pre-drilled holes for easy wall mounting. The IP66 rating is ensured by an injected one piece polyurethane gasket, guaranteeing protection against dust and water ingress.
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nVent HOFFMAN Hygienic Design Stainless Steel Wall Mount Enclosures
Hygienic Design Stainless Steel Wall Mount Enclosures
The wall mounted Hygienic Design HDW range is optimised for protection of electrical and electronic equipment in food processing and pharmaceutical applications. They are manufactured in high quality AISI 304 grade stainless steel, with a maximum protection degree of IP66 and IP69K to ensure your assets are protected in hot, high pressure wash-down environments.
The enclosures have a self-draining design with 30º sloping roof to prevent tools or other objects from being left or placed on them and for fluids to drain off rapidly. The seal integrity is achieved via a removable one piece silicone gasket that is easy to clean and is replace. The hinges are inside the sealing zone to create an exceptionally easy-to-clean design on the outside and eliminate any external cavity between the enclosure and its door.
The HDW range is especially suitable for applications in the food, beverage and pharmaceutical industries where the enclosures are cleaned at high temperatures with chemical agents. A range of dedicated hygienic design accessories is also available, enabling customers to tailor the enclosure to their specific needs. The enclosure design follows the principles stated in EC Directive 2006/42/EC, EN 1672-2, EN ISO 14159 and is also EHEDG certified according to the Hygienic Design guidelines 8 and 13.
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nVent HOFFMAN Stainless Steel Wall Mount Enclosures
nVent HOFFMAN Stainless Steel Wall Mount Enclosures
For aggressive environments where sea-air or corrosive elements are present, the nVent HOFFMAN 316L marine grade stainless steel ASR/ADR range is the solution. The design is characterised by a sturdy cruciform body, folded from a cold pressed sheet steel plate. The enclosure’s edge is folded in the shape of a channel to avoid water stagnating on the seal.
Maximum protection for the user and the equipment is achieved thanks to the high protection degrees IP66 (single door), IP55 (double door). The ASR/ADR range feature a high cleanliness design that eliminates places where dirt and bacteria can accumulate. The special white silicone gasket features higher UV and chemical resistance than traditional polyurethane gaskets with almost zero water absorbtion for a longer life expectancy.
Stainless steel wall mount enclosures are often used in environments such as food processing, breweries, marine applications and any area exposed to corrosive chemicals. The enclosures can be secured to the wall using bolts, which are fixed directly through the rear wall of the enclosure, the bolts are protected inside with plastic washers, or wall mounting brackets, which are screwed at the rear of the enclosure. A range of accessories such as depth adjustment kits, inner doors, rain hoods (ASR/ADR) and various locking options complement the range and provide a comprehensive enclosure solution for all arduous locations.
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Wall Mount Enclosure Selection Chart
Contact us
You can also contact your local NHP Account Representative or email us.
Australia 1300 NHP NHP nhpservice@nhp.com.au
New Zealand 0800 NHP NHP nhpservice@nhp.com.au
What kind of electrical enclosure do you need for your application? We have boxes to suit all environments and specific requirements.
Terminal boxes are designed to offer a secure and protective enclosure for electrical connections, safeguarding against accidental contact, dust, moisture and other environmental factors.
Wall mount enclosures provide secure and organised housing for electrical equipment, ensuring protection, accessibility and space efficiency in various applications.
Floor standing enclosures are versatile and practical solutions for housing and protecting electrical equipment in various applications.
These enclosures are designed to stand freely on the floor, providing a stable and secure housing for sensitive components such as switchgear, control panels and automation systems.
Floor standing enclosures are available in mild steel, aluminium and stainless steel, offering durability and resistance to environmental factors.
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The performance and limitations of an enclosure are dependent on the material it is made of.
Acrylonitrile butadiene styrene switchboard enclosure
Benefits
■ Easy machining with normal tools
■ Easy colouring through pigmentation
■ Light weight
■ Good resistance to chemical attack
■ Excellent insulating properties
■ RF transparent, ideal for telemetry applications
Drawbacks
■ Slightly lower impact resistance and operating temperature range compared with polycarbonate
■ Slightly lower UV resistance compared with polycarbonate
■ No EMC shielding
Polycarbonate electrical enclosure
Benefits
■ High impact resistance
■ Easy machining with normal tools
■ High IP rating
■ Wide operating temperature range
■ Self-extinguishing
■ Good resistance to chemical attack
■ RF transparent, ideal for elementary applications
■ Light weight
■ Good UV resistance
■ Excellent insulating properties
■ Cost-effective material for harsh environments
■ High weather resistance
Drawbacks
■ No EMC shielding
Glass fibre reinforced polycarbonate
Benefits
■ IP66 high IP rating
■ Very high impact resistance - able to withstand impact up to IK10
■ Excellent protection against vandalism
■ Easy to machine with standard tools
■ RF transparent, ideal for elementary applications
■ Self-extinguishing
■ Light weight
■ High UV and weather resistance
■ Wide operating temperature range
Drawbacks
■ No EMC shielding
Polycarbonate electrical enclosures
Benefits
■ High impact resistance
■ Easy machining with normal tools
■ High IP rating
■ Wide operating temperature range
■ Self-extinguishing
■ Good resistance to chemical attack
■ RF transparent, ideal for elementary applications
■ Light weight
■ Good UV resistance
■ Excellent insulating properties
■ Cost-effective material for harsh environments
■ High weather resistance
Drawbacks
■ No EMC shielding
Glass fibre reinforced polycarbonate electrical boxes
Benefits
■ IP66 high IP rating
■ Very high impact resistance - able to withstand impact up to IK10
■ Excellent protection against vandalism
■ Easy to machine with standard tools
■ RF transparent, ideal for elementary applications
■ Self-extinguishing
■ Light weight
■ High UV and weather resistance
■ Wide operating temperature range
Drawbacks
■ No EMC shielding
Mild steel electrical enclosure box
Benefits
■ Good resistance to chemical attack (powder coated RAL 7035)
■ High impact resistance
■ Wide operating temperature range
■ Easy earthing
■ MC shielding
■ Rigid construction
Drawbacks
■ More expensive than polycarbonate
■ Heavier than Polycarbonate and Acrylonitrile butadiene styrene
■ Prone to corrosion
■ Machining with special tools only
316L stainless steel enclosure
Benefits
■ Good resistance to chemical attack and corrosion
■ High impact resistance
■ Wide operating temperature range
■ Easy earthing
■ High weather resistance
■ Hygienic and attractive appearance
■ EMC shielding
■ Good heat sink properties
■ Rigid construction
Drawbacks
■ More expensive than polycarbonate and mild steel
■ Heavier than Polycarbonate and Acrylonitrile butadiene styrene
■ Difficult to fabricate
■ Machining with special tools only