They need an internal airtight seal that prevents the transmission of an internal explosion.
Necessary when using Ex-d flameproof enclosures, with an internal volume greater than 2 liters in Zone 1, containing any source of ignition.
TECHNICAL DATA
Marking:
II 2G Ex d IIC / Ex e II
II 2D Ex tD A21
Certificate: EU-Type Examination Certificate
Operating conditions: Indoor / Outdoor
Material: Nickel plated brass
Ingress protection: IP66
Operating temperature: -40ºC to 100ºC
