15
4 Installation
4.2 Electrical connection
✱ Open the case.
➪
Section 3.2 "Opening the case", page 10.
✱ Pass the connection cable (cable diameter 10 — 16,5 mm) through the
screw connection (3). Fitting type"X" (no special tools), screw connection
up to 2.5 mm
2
conductor cross-section.
✱ Establish the connection to the terminals ( 1 ) in accordance with the appro-
priate connection diagram.
✱ Connect the protective conductor to terminal PE ( 2 ).
Connection
diagrams
V
Tightening torque:
clamping screws / protective conductor terminal (PE) = 0.45 to 0.68 Nm
TW / STW (STB) STB as N/C contact
with signal contact
STB
with (N/C) break contact
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