Explore reliable products for cable routing,
connection, control and protection
in hazardous area installations.
Explosion-Proof Terminal Boxes
AH Series
- Constructed from cast aluminum alloy with a corrosion-resistant powder-coated finish.
- Suitable for Zone 1, Zone 2, Zone 21 and Zone 22 hazardous areas.
- IP66 ingress protection.
- Multiple configurations available.
TECHNICAL DATA
Explosion Protection
Hazardous Areas
• Zone 1 and Zone 2
• Zone 21 and Zone 22
Explosion Protection Marking
IECEx
• Gas: Ex db IIC T6 Gb
• Dust: Ex tb IIIC T80°C Db
ATEX
• Gas: II 2 G Ex db IIC T6 Gb
• Dust: II 2 D Ex tb IIIC T80°C Db
Product Parameters
Material
• Enclosure body and cover: Cast aluminum alloy
• Finish: Corrosion-resistant powder coating
Surface Finish
• Powder-coated
• Brushed stainless steel (optional)
Rated current：20A
Rated Voltage: Max. 500 V AC
Terminal block
• Terminal quantity：4
• Cable Cross Section: 0.5–4.0 mm²
Cable Entries
•M☐ × 1.5 (standard)
• Other thread types available upon request
Applicable Industries
Suitable for use in:
• Oil & Gas
• Petrochemical
• Chemical Processing
• Fire Protection
• Pharmaceutical
• Textile
• Grain Processing
• Power Generation
FAQ
Q1. Which hazardous areas is this product suitable for?
A1. Suitable for Zone 1, Zone 2, Zone 21 and Zone 22 hazardous areas.
Q2. Is the enclosure waterproof and dustproof?
A2. The enclosure provides IP66 protection when correctly installed.
Q3. What materials are available?
A3. Copper-free aluminium alloy, AISI 304 stainless steel and AISI 316L stainless steel are available depending on the application requirements.
Q4. Can the junction box be customized?
A4. Yes. Thread types, cable entries, materials and OEM branding can be customized upon request.
Q5. How can I get a quotation?
A5. Please provide the model, quantity and required specifications. Our sales team will respond with a quotation promptly.
