Specification :

Emergency mushroom
pushbutton EFD21-F

Type of protection: II 2 GD EEx d IIC
Class of temperature: T6/ 85° C – T5/ 100° C – T4/ 135° C
Protection degree: IP 65 / IP 67*
Certificat : INERIS 05 ATEX 0030
Ambient temperature: -20 + 40° C ( -20 + 60° C)
Zone : 1 – 21 – 2 - 22

Descrizione:
The enclosures EFD21-F are rectangular shaped and have
cylindrical joint cover with emergency mushroom pushbutton
with mechanical block( rotary unlock) . The small dimensions
allow easy mounting.
Materials:
Body and cover: aluminium alloy
Screws: stainless steel
Inhibiting treatment:
Standard powder epoxy grey painting like RAL 7005.
Threats:
UNI 6125 ( ISO 7/ 1) .
Application:
Emergency shut-down of electric circuits
On request:
NPT threat
IP 67 version
Without mechanical block ( es EFD21-F.11)
Key for safe unlock
Protection guard
Inhibiting treatment for salt mist