MEDC Ex ResistTel IP2 - Manual (Page 13)

Manual ExResistTel IP2 Page 13
The locking torque of the upper part screws is 1.2 …1.5 Nm.
Installation and connection must be carried out by competent personnel familiar with
electrical and network installations.
2.1.1 Cable Screw Caps
The preinstalled cable screw caps (4) of the explosion proof telephones have the
following properties:
certificate IECEx PTB 05.0004 X, PTB 99 ATEX 3128 or equivalent
operating temperature -40 °C to +70 °C
thread diameter Ø M20 x 1.5
type of ignition protection Ex e II
type of protection IP66
cable diameter Ø 5.5 mm to Ø 13 mm
locking torque coupling ring
cable 2.5 Nm to 3.5 Nm
2.1.2 Inside View of Telephone upper Part
Figure 1: Inside View of upper Part Telephone ExResistTel IP2