V2.00
19837_EDEBD
A0227-2620-1_EN
55
System operation
8.7
Electrical connection
Connection elements
Plug-in terminals
Permissible cross-section
of the connecting cables
Max . 2 .5 mm
2
at 5 mm steps, 1,5 mm
2
at
3 .5 mm steps
Measurement
voltage inputs
Fuse
max . 1 A slow blow or max . C2 - automatic
in addition isolating switch UL/IEC-ap-
proved
Measurement
current inputs
Fuse
NONE!!! Always short-circuit current trans-
former terminals k and l before opening
the circuit!
Input control
voltage
Fuse
max . 1 A slow blow or max . C2 - automatic
in addition isolating switch UL/IEC-ap-
proved
Relay output
Fuse
max 2 A medium time-lag
Connection of
KBR eBus
Connection material
For proper operation, use shielded twist-
ed-pair cables only, e .g . I-Y(St)Y 2x2x0 .8
Transformer
connection
Connections
See connection diagram
8.8
Mechanical data
Switchboard
installation
Housing dimensions
144 x 144 x 60 mm (H x B x D),
without plug terminals 144 x 144 x 70 mm
(H x B x D), with plug terminals
Installation cut-out
138 x 138 mm
Protection type
Front IP51 (with optionally available front
door max . IP54), terminals IP20
Weight
approx . 800 g
Operation and
display
Operation
4x sensor buttons
Display
128 x 96 pixel graphic LCD
with illumination