N-TB 76/50/20

Ex-e Terminal Enclosure NEXT

Marking to 94/9/EC II 2 G Ex e ia II, IIC T6, T5 / II 2 D Ex tD A21 IP66 T80 °C, T95 °C

Temperature class T6 up to +40 °C / T5 up to +55 °C

EC-Type Examination Certificate PTB 04 ATEX 1015

Permissible ambient temperature –45 °C to +55 °C

–65 °C to +55 °C (option: Silicone gasket)

Rated voltage up to 1100 V1)

Rated current up to 500 A1)

Connecting terminals up to 240 mm2 1)

Insulation class I

Degree of protection accd. EN 60529 IP66

Cable glands/Gland plates/Enclosure drilling up to 4 side optional gland plate (3 mm) 

combination with entries to meet requirements

Type of mounting 4 x 3 mm welded lugs with Ø 11 mm holes/slots, horizontal

Enclosure material stainless steel 316 L electro chemically polished or

sheet steel polyester powder coated (RAL 7032)

Material thickness 1.5 mm, 2 mm (- 62/45/20 and over)

Equipment mountings 4 x stand off pillars Ø 9 mm, 25 mm height, tapped M6 x 10, 

for rail or mounting plate

Enclosure earth M10 external/internal brass earth stud assembly,

M6 intern. stud on lid & painted gland plates

Gasket material Chloroprene gasket, Silicone gasket (option)

1) depending on type of terminal and Ex-components used

Additional Approvals:

cULUs types 3S, 4, 4 x approval suitable for 

Class I, Div 2 applications, Class I Zone 1, AExe II T6 (Limited range available),

GOST ’R’, Germanischer Lloyd

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