N-TB Ex-e/Ex-i Terminal Enclosures
Stainless steel version for Zone 1, 2, 21 and 22
The N-TB enclosure has been specifically designed for installation in locations with aggressively hostile environmental conditions. These include such locations as petrochemical hazardous areas, pharmaceutical, food process and utility applications.
Check out HARDO brand terminal boxes
HARDO explosion-proof terminal boxes are an excellent alternative to well-known global manufacturers. They are certified for use in zones 1, 2, 21 and 22. We supply all control stations with accessories according to the investor’s requirements.
Manufactured from high quality stainless steel that is electro-polished for a highly corrosion resistant “Chromium enriched“ surface. This multi certified enclosure is available in different sizes and depths, each with the facility for many configuration possibilities for a multitude of applications. Using the highest quality materials, unique design benefits and precision manufacturing the N-TB range is the benchmark in heavy-duty gauge enclosures of its class. An integral drainage channel prevents liquids or other solids contaminates from running in or falling into the enclosure when the door is opened, and to minimise gasket path contamination.
Degree of protection
The high integrity „one piece“ sealing gasket for superior ingress protection (IP) of 66 and excellent recovery and re-sealing properties for continuous environmental protection. There is an option for the mounting of up to four 3 mm thick gland-plates on each side in 4 possible combinations of 1, 2, 3 or 4 gland-plates. All units are sealed to IP66 by a high integrity Silicon gasket and secured by stainless steel bolts into blind inserts.
- S316L Stainless Steel (1.4404 to EN 10088)
- Superior “corrosion resistant” electro chemically polished
- High integrity „one piece“ silocon gasket
- Detachable hinged door, stainless steel hinges with captive stainless steel hex screws
- 4 x external welded lugs, 11 mm Ø holes / slots
- Optional Gland Plate / Entries 3 mm thick
- Extended ambient temperatures –40 °C to + 55 °C as option
- Certification TR-CU, AEx, cULus and Germanischer Lloyd on request
N-TB up to 2 x 51 terminals
- N-TB 1
- N-TB 2
- N-TB 3
- N-TB 4
- N-TB 5
- N-TB 6
- N-TB 7
N-TB up to 6 x 171 terminals
- N-TB 8
- N-TB 9
- N-TB 10
- N-TB 11
- N-TB 12
- N-TB 13
- N-TB 14
- N-TB 15