Reinforced fiberglass enclosures RizurBox-C-U with horizontal opening and all-around access to equipment
Fiberglass enclosures RizurBox-C-U with horizontal opening allow access to equipment from all sides thanks to the top part of the enclosure that can be opened or removed completely.
Enclosures are used in all branches of the industry where there’s a need for heating and protecting the equipment. RizurBox-C-U series includes design variants with various dimensional specifications which allows the customer to get the enclosure that can protect network devices, flow meters, pressure sensors, level meters, and other devices.
RizurBox-C-U enclosures are used in explosion-hazardous and general use industrial areas, in both outdoor and indoor locations, for creating and maintaining the temperature required for the equipment to work properly.
RizurBox-C-U are used for equipment protection against:
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freezing
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moisture and ice built-up
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combustion
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aggressive chemical media
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dust
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ultraviolet radiation
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mechanical damages
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unauthorized access and theft
The devices and equipment located in the enclosure can be accessed from all the sides because the RizurBox-C-U series design variants can have several mounting elements which allow the top part to be opened or removed completely.
Enclosures are manufactured according to TR--3442-001-12189681-2014. RizurBox-C-U have an antistatic surface and a multi-layer housing made of glass-reinforced plastic and inflammable unsaturated polyester resin. Thermal insulation between the inside and outside surface is provided by the polyurethane foam. All enclosures are made from inflammable materials and have a fire safety certificate № NSOPB.RU.PR004.N.00026.
Reinforced fiberglass enclosure RizurBox-C-U is operated at ambient air temperature from - 60 °С to + 70°С. Inside the enclosure, depending on the heating system used, the maintained temperature can range from -40°С to +50°С.
Installation area |
Explosion-hazardous areas V-1a and V-1d, acc. to Electrical installation code (PUE), Ch. 7.3 |
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Ingress protection |
IP54 acc. to GOST 14254-96 IP65 acc. to GOST 14254-96 (on request) IP66 acc. to GOST 14254-96 (on request) |
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Surface resistance (antistatic) |
under 109 Ohm | |
Temperature maintained inside (depending on the type of heating and the heater's parameters) |
-40°С ... +50°С | |
Operating temperature |
-60°С ... +70°С -70°С ... +70°С (with additional heat insulation K-Flex) |
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Resistivity |
to oil products to chemical environments to UV radiation |
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Wall thickness |
20 ... 40 mm (depending on the enclosure's design variant) |
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Fiberglass thickness |
2 ... 4 mm (depending on the enclosure's design variant) | |
Thermal conductivity |
0,03 W/(m*K) | |
Fitting materials (locks, hinges) |
stainless steel |
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Explosion protection marking for enclosures with water/steam heating: | ||
- water/steam heating is under 195 °C - water/steam heating is under 135 °C - water/steam heating is under 95 °C - water/steam heating is under 80 °C |
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Explosion protection marking for enclosures without heating: | ||
- without heating |
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Colour |
RAL 7035 light-grey any colour (on request) |
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Warranty period |
12 months 24/36 months (on request) |
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Average operation time | over 15 years |
Standard dimensions of RizurBox-C-U enclosures

Dimensional specifications of RizurBox-C-U enclosures | |||||||||
Design variant | Dimensions, mm |
External dimensions (walls only), mm |
Internal dimensions, mm |
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H1 | W1 | D1 | H2 | D2 | W2 | H3 | D3 | W3 | |
RizurBox-С-U1* | - | - | - | 350 | 435 | 415 | - | - | - |
RizurBox-С-U2* | - | - | - | 500 | 435 | 415 | - | - | - |
RizurBox-С-U3 | 1100 | 1025 | 1095 | 1100 | 985 | 1055 | 895 | 760 | 830 |
RizurBox-С-U4* | - | - | - | 430 | 430 | 380 | - | - | - |
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Patent-RizurBox.pdfSize: 528 Kb17.04.2025
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Conformity certificate for ex-proof heating equipment.pdfSize: 10 Mb17.04.2025
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Conformity certificate for RizurBox series.pdfSize: 707 Kb17.04.2025
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Declaration of conformance for RIZUR heating equipment.pdfSize: 286 Kb17.04.2025