Development and manufacturing of low-voltage
and high-voltage electric equipment

10 Chelyabinskaya Str., Ozersk, Chelyabinsk region, 456783, Russia
Phone: (35130) 4-36-40; fax: (35130) 4-87-15; e-mail: enerprom@aopoes.ru
Sales department. Phone: (35130) 4-82-45, 4-17-79; fax: (35130) 4-46-83; e-mail: marketing@aopoes.ru

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Thermal heated explosion-proof cases of KShO-E type

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Thermal heated cases КShО-E are used in automation systems of technological processes as a protective structure for electric equipment and control devices installation. Cases are made according to Technical Conditions 3433-044-32574607-2004

Symbolic notation structure of КShО-E

  • КShО-E-1 - thermal heated case of JSC "Energoprom" of explosion-proof  modification, floor version with the casing sizes of 1800 × 800 × 630 mm;
  • КShО-E-1 (N) - thermal heated case of JSC "Energoprom" of explosion-proof modification, wall version with the casing sizes of 1400 × 800 × 630 mm;
  • КShО-E-3 - thermal heated case of JSC "Energoprom" of explosion-proof modification, wall version with the casing sizes of 1400 × 600 × 530 mm;
  • КShО-E-3 (N) - thermal heated case of JSC "Energoprom" of explosion-proof modification, wall version with the casing sizes of 1000 × 600 × 530 mm.

Operating conditions

КShО-E are intended for operation in potentially explosive environment,  in premises of В-1a, В‑1g classes (according to PUE, ch.7.3) not containing current-conducting dust, in which formation of explosive mixes of gases and vapors with air of II, II-А, II-В, II-С categories of Е1‑Е4 groups in accordance with GOST Р 51330.13-99 is possible.

UHL climatic modification of installation category 1 is in accordance with GOST 15150-69.

Air temperature is from minus 60°С up to plus 45°С, with the temperature inside a casing, at temperature regulator being switched on, not lower than plus 5°С.

Height above sea level is up to 1000 m.

Explosion-proof level 2 of КShО-E (increased explosion-proof reliability) is provided with application of built-in electric equipment of corresponding explosion protection types and levels.

In КShО-E the following equipment can be installed:
  • limit switch of VPV-1А (1ExdIICT6) type;
  • terminal box of KP (2ExeIIT5) type;
  • electric radiator of OShA (2ExmIIT4X) type.
КShО-E has explosion protection marking as 2ExdemicsIICT4Х.

Design and action

Structurally KshO-E metal jacket is two-layer with heat-insulating material filling. Basic KshO-E sizes are given in table 1.4.



As a source of heat inside a case electric radiator is installed.

Rate of KShO-E protection is IP54 in accordance with GOST 14254-96. Doors are gasketed with cold-resistant rubber.


Have you got any questions? Call or come to us. Highly qualified
skilled consultants will help you to find optimal
decision for your business!
10 Chelyabinskaya Str., Ozersk, Chelyabinsk region, 456783, Russia
Phone: (35130) 4-36-40; fax: (35130) 4-87-15,
e-mail: enerprom@aopoes.ru, site: www.energoprom.biz, www.enprom.ru.