GUB A series Ex d enclosures are normally used in the chemical and petrochemical plants, offshore platforms, refineries and any other industry where hazardous atmospheres (gas and combustible dust) are potentially present.
The GUB A range of explosion proof enclosures has been designed to meet the main requirements of power distribution, monitoring and signaling, and other electrical functions inside the hazardous area of the plant.
|
product | overall dimension | internal dimensions | fixing dimensions | weight | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | a | b | c | d | e | screw | kg | ||
![]() |
GUB1A | 129 | 165 | 125 | 103 | 103 | 53 | 147 | 105 | M6 | 2.4 |
| GUB2A | 180 | 229 | 128 | 155 | 155 | 68 | 204 | 152 | M8 | 4.2 | |
| GUB3A | 200 | 247 | 148 | 175 | 175 | 88 | 223 | 172 | M8 | 5.3 | |
| GUB4A | 250 | 308 | 174 | 222 | 222 | 96 | 279 | 220 | M10 | 8.4 | |
| GUB5A | 320 | 382 | 206 | 290 | 290 | 130 | 351 | 286 | M10 | 14.4 | |

The GUB A series can be used for the following main applications:
- control station and instrument housing;
- motor starter unit; lighting control panel;
- electronic grounding system;
- terminal and bus-bars box;
The GUB A series explosion proof enclosures can also be fitted with other electrical and/or electronic equipment as per client specifications.
The GUB A series Ex d enclosures are manufactured with:
- body and cover casted of copper-free (lower 0.1%) aluminium alloy;
- external epoxy powder coating RAL 7001;
- internal anti-condensation coating (upon request);
- anti-loosening bolts (size 1) and earthing screws of stainless steel AISI 316;
- gasket on cover of silicone;
- window of thermoresistant glass sealed with auto-leveling silicone;
certificate number: IECEX IMQ 16.0018X IMQ 11 ATEX 030 X TC RU C-IT.AA87.B.00509
marking:
II 2GD Ex db [ia Ga]/[ib Gb] IIC T4/T5/T6 Gb Ex tb IIIC T135/T100/T85°C Db
ambient
temperature: –60°C +60°C
degree of protection: IP66
conformity: Directive ATEX 2014/34/EU TP TC 012/2011
standards: IEC-EN60079-0 IEC-EN60079-1 IEC-EN60079-11 IEC-EN60079-31
ГОСТ 31610.0 ГОСТ IEC 60079-1 ГОСТ 31610.11 ГОСТ Р МЭК 60079-31
category: suitable for Zone 1 - 21 (gas) and Zone 2 - 22 (dust)


