Cable Entry With Cable Gland - Samson 3966 Mounting And Operating Instructions

Measures for preparation
Î Include the Type 3966 Solenoid Valve in-
to the on-site equipotential bonding sys-
tem.
Î If connection is made in a potentially ex-
plosive atmosphere, connect the connect-
ing cable (unconnected cable end) of the
Type 3966 Solenoid Valve in an enclo-
sure that meets the requirements of an
approved type of protection according to
Clause 1 of IEC 60079-0.
Components attached or installed (terminal
components, bushings, Ex cable glands,
mounting parts) must have the minimum
technical specifications that comply with the
standards specified on the cover sheet and
for which a separate test certificate is avail-
able. The operating conditions specified in
the component certificates must be met.
Ambient temperature
The Type 3966 Solenoid Valve can be oper-
ated within the following temperature rang-
es:
in temperature class T6 at ambient tempera-
tures from –55 to +66 °C,
in temperature class T5 at ambient tempera-
tures from –55 to +70 °C and
in temperature class T4 at ambient tempera-
tures from –55 to +80 °C.
32
5.4.2 Cable entry with cable
gland
The enclosure of the solenoid valve has a ca-
ble entry (optionally M20x1.5 or ½ NPT). It
can be fitted with cable glands as required.
Î The cable gland design depends on the
ambient temperature range. See techni-
cal data in section 3.2.
Î The screw terminals are designed for
wire cross-sections of 0.2 to 2.5 mm².
Tighten by at least 0.5 Nm.
Î Connect one current source at the maxi-
mum.
Î The solenoid valve must be included in
the on-site equipotential bonding system.
Connect the conductor outside of the de-
vice.
EB 3966 EN