Datasheet

PRELIMINARY
UB20.241
USeries
24V, 20A, DC-UPS
Fig. 14-1 Flashing pattern of the red error LED Fig. 14-2 Flashing pattern of the yellow Diagnosis LED
1
0
Chek
Wiring
1
0
Input
Voltage
1
Temp.
0
1
0
Overload
1
0
Replace
Battery
1
0
Buffertime
expired
1
0
Inhibit
active
Fig. 14-3 Flashing pattern of the green status LED’s
1
0
Ready
1
0
Charging
1
0
Refreshing
1
0
Buffering
15. TERMINALS AND WIRING
Power and battery terminals Signal and optional terminals
Type Screw terminals Plug connector with screw terminal. Finger-touch-proof
construction with captive screws for 3.5mm slotted
screwdriver. Suitable for field- and factory installation.
Shipped in open position. To meet GL requirements,
unused terminal compartments should be closed.
Solid wire 2.5-6mm
2
0.2-1.5mm
2
Stranded wire 2.5-4mm
2
0.2-1.5mm
2
AWG 14-10AWG 22-14AWG
Ferrules Allowed, but not required Allowed, but not required
Recommended
Tightening torque
0.8Nm, 7lb. in 0.4Nm, 3.5lb.in
Wire stripping length 7mm / 0.275inch 6mm / 0.24inch
Instructions:
a) Use appropriate copper cables that are designed for an operating temperature of:
60ºC for ambient temperature up to 45 ºC and
75ºC for ambient temperature up to 60 ºC minimum.
b) Follow national installation codes and installation regulations!
c) Ensure that all strands of a stranded wire enter the terminal connection!
d) Up to two stranded wires with the same cross section are permitted in one connection point.
September 2012 / Rev. 1.3 DS-UB20.241-EN preliminary
All parameters are specified at an input voltage of 24V, 20A output load, 25°C ambient and after a 5 minutes run-in time
unless otherwise noted. It is assumed that the input power source can deliver a sufficient output current.
www.pulspower.com Phone +49 89 9278 0 Germany
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