Chapter 4 – Specifications
User Manual
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4.4 Electrical Specifications
ELECTRICAL
CHARACTERISTICS
UNITS
DESCRIPTION
Nominal Input Voltage
VAC
220, 230 or 240 volts
Power supply
single phase a.c., 2W+G, 50 Hz.
Solidly grounded power sources
Nominal Output current
Amps
25
Frequency
Hz
50 / 60
Source unhealthy status
-
Guaranteed Transfer to alternate source –15 % of V nominal
Load Power factor range
-
0.5 to unity leading or lagging
Load Crest factor
-
Up to 3.5
In-Phase transfer window
-
Adjustable from 5 ± 1º
Source voltage distortion
%
Up to 10% THD
Overload capability
%
125% of continuous current for 2 hrs, 1000% for two cycles minimum.
Over current Protection
-
By semi conductor fuse
Short circuit withstand
capability
Amps
Up to 20,000 symmetrical amps, protected by internal fusing.
Redundant Control Power
supplies
-
Taken from available source 1 and source 2
Integral Maintenance Bypass
-
Make before break operation
Alarm contacts
-
Eight Isolated Normally Open alarm & static switch Status contacts.
Unsynchronised transfer
6 milllisec for synchronized transfer and 16 millisec for unsynchronized
transfer.
4.5 Mechanical specifications
MECHANICAL
CHARACTERISTICS
UNITS
DESCRIPTION
Height
88.0
Width
431.0
Depth
mm
457.0
Weight
kg
8.0
Colour
Matt Black
Installation
19” Rack Mounted / floor / table top
Cable entry
- Rear
side
Page 4-2
(03/04)
