Zone 1
Explosive gas atmosphere likely to occur in normal operation
Zone 2
Explosive gas atmosphere unlikely to occur and, if it does, only for a short period
Zone 21
Explosive dust atmosphere likely to occur in normal operation
Zone 22
Explosive dust atmosphere unlikely to occur and, if it does, only for a short period
# General
Product type: Flameproof enclosure
Brand: Pepperl+Fuchs
Series: GUB*
Material: Copper-free aluminium alloy
Finish: RAL 7005 epoxy coating (grey)
Minimum temperature: down to -60 °C depending on version
# Certifications
ATEX certificate: INERIS 14 ATEX 0035X, INERIS 16 ATEX 9005U
IECEx certificate: IECEx INE 14.0042X, IECEx INE 16.0051U
Marking: II 2 GD Ex db IIC T* Gb, Ex tb IIIC T** °C Db
Temperature class: T6/T85 °C to T3/T200 °C depending on configuration and power dissipation
North American approval: cULus E482035 (empty enclosure)
# Electrical
Operating voltage: up to 1000 V AC / 1500 V DC
Operating current: up to 1600 A (recommended)
Power dissipation: from 48 W (GUB00) to 749 W (GUB5) at T4/+40 °C
# Mechanical
Dimensions: from 119×119×137 (GUB00) to 555×555×400 mm (GUB5)
Cover: Round threaded, with or without window
Degree of protection: IP66, IP66/IP67 with O-ring
Entry threads: Metric 1.5 mm pitch or NPT
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