GHG – Ex metal junction boxes

High-quality metal junction boxes are manufactured in accordance with the ATEX Directive (94/9/EC) and are suitable for hazardous zones 1, 2, 21, and 22. Made from light metal alloy, they offer high durability with low weight and are resistant to mechanical damage, high temperatures, chemicals, and electromagnetic interference. The boxes feature external equipotential bonding, stainless steel (AISI 316L) screws and parts, and certified accessories. The C3x series supports cable connections up to 10 mm², can be equipped with mounting plates or external grounding terminals, and provides IP67 protection for demanding industrial environments.

• Resistance to mechanical damage, high temperatures, and chemical exposure
• Protection rating: IP66
• Up to 4 threaded M20 entries
• International certifications

• ATEX marking (94/9/EC): II 2G Ex dem ia II, IIC T6 / II 2D Ex tD A21 IP66 T80°C
• EC Type Examination Certificate: PTB 00 ATEX 3108
• Permissible ambient temperature: -20°C to +40°C / -55°C to +55°C (option)
• Rated voltage: 690 V
• Rated current: depends on terminal cross-section
• Connection terminals: max. 4 × 4 mm² / PE 4 × 2.5 mm² (stranded), max. 2 × 6 mm² / PE 4 × 4 mm² (solid), or 2 × 6 mm² + 1 × 2.5 mm²
• Protection class: I
• Degree of protection (EN 60529): IP66
• Cable glands / housing entries: max. 4 × M20
• Dimensions (L × W × H): 82 × 130 × 72 mm
• Weight: approx. 0.8 kg
• Enclosure material: die-cast light alloy
• Enclosure colour: light grey