Universal Bypass Switch Unit
UNB
Operation Manual
UNB2357E / Page 29 (34)
10. Technical data
10.1 General technical data
Nominal-input
voltage
220/230/240VAC
according to settings
Input
variation
range
+/-20%
U
nom
Output
voltage
see
nominal-input
voltage
Output
rating
see
type
list
Frequency
range
(in/out)
50/60Hz
+/-3%,
changeable
Transfer
time
<=3ms
Monitoring
devices
Power
Source
1
and
Power Source 2 with
switchable load,
synchronisation,
Overload-ability
1000%
for
10ms
LED-indications
Operation
mode,
Power
Source 1 available, Power
Source 2 available,
synchronisation,
load at inverter,
load at mains and general
fault alarm
Clear
letter
display
2x16
signs
LCD
with
background-illumination
Relay-contacts
general
fault
alarm
as
well
as an additional freely
programmable relay-
indication
Noise
level
<=30dB(A)
in
1m
distance
Dimensions W x H x D
UNB
5kVA/12.5kVA:
483x133x360mm
(3HE)
UNB 23kVA/30kVA/40kVA: 483x177x460mm (4HE)
Protection
class
IP
20/1
RFI
according
to
EN
55011
/EN55022 limit-categories
" B "