General rules for installation
Important note: These connection boxes are intended to be used in gas or dust hazardous areas. PPS enclosure and stainless-steel accessories allow their use in industrial or marine environments, including in cold polar areas.
For gas hazardous areas, this enclosure is approved as “Ex-eb” and is suitable for use in zone 1 and zone 2, gas group IIC (Hydrogen/Acetylene, the highest protection group), with a temperature classification T6/T5/T4;
For dust hazardous areas, this equipment is approved as “Ex-tb”, suitable for use in zone 21 and zone 22, dust group IIIC (electric conductive dust, the highest protection group), maximum allowed equipment temperature 80°C/95°C/125°C.
Approvals
These enclosures are certified:
- ATEX: TÜV 22 ATEX 8894 X;
- IECEx: IECEx TUR 22.0059 X;
- CCCEx: pending
Housing: UV-resistant PPS (according to UL746C Table 25.1). Excellent salt spray resistance: >1008h according to DIN EN ISO9227 (the highest resistance class). IP65 waterproof rating. Impact resistance greater than IK10 (compliant with ATEX standards).
Cover: Mounting with four captive stainless steel screws. The cover also includes a stainless steel anti-fall chain and two holes for seals.
Identification: Anodized aluminum plate, fixed to the cover.
Electrical connection: With or without internal junction block. Up to 10 terminal blocks in 4mm² or 6mm².
Terminal blocks: Up to 10 Ex e terminal blocks of 4mm² or 6mm² from external suppliers can be snapped onto the 35mm DIN rail.
Maximum electrical rating: 25A 400V (T4/T5 self heating).
Cable glands: One M20 cable gland (for cables diameter 6 to 10mm) and one M25 cable gland (for cables diameter 8 to 16mm) are included as standard. See the coding for the selection of seals.
Mounting: Wall-mounted, with two 6.5mm diameter holes, center distance 100×95mm. 35mm DIN rail.
Ambient temperature range: -60°C to +70°C
Options
- A mounting plate for rail-free mounting of JPCI 4mm² or 6mm² ATEX terminal blocks.
- Cable glands can be fitted with special bolts for use with electrical cable protection tubes with ATEX approvals.
References
Y9A0*-**-***-****-*****
* Quantity of 4mm² connection blocks (0 to 10)
** Quantity of 6mm² connection blocks (0 to 10)
*** Suffixes for the definition of M20 cable gland fittings
**** Suffixes for the definition of M25 cable gland fittings for round or flat cables
Classification
Gas classification: Ex II 2G Ex eb IIC T6/T5/T4 Gb
Dust classification: Ex II 2D Ex tb IIIC T80°C/T95°C/T125°C Db
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