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15
F
DANGER
RISK OF ELECTRIC SHOCK OR ELECTRIC
ENERGY-HIGH CURRENT LEVELS
Dangerous electric charge may be stored
in capacitor and associated circuitry.
Test before touching.
E
DANGER
RISK OF ELECTRIC SHOCK
Capacitors stay charged after power has
been shut off.
Accidental contact with live parts can
cause personal injury and death.
Turn off and lock out all power sources.
Wait at least five (5) minutes for power to
dissipate then check voltage before
servicing
G
Grounding Electrode
Terminal
H
The output ac circuit is considered as a
separately derived source. If local codes
require grounding of this circuit, use
terminal (identify terminal) for bonding
this circuit to the enclosure. Ground the
enclosure to a suitable grounding
electrode in accordance with local code
requirements.
I
CAUTION
RISK OF ELECTRIC SHOCK
Heat Sink (IGBT) is not grounded.
Test before touching.
J
CAUTION
8A
( control power source switch )
Do not turn off while operating.
K for 250kVA
USE COPPER CONDUCTORS ONLY
REFER TO INSTRUCTION MANUAL REGARDING
TIGHTENING TORQUE OF TERMINAL BLOCKS.
1 2 3 4 5 6 7 8 9 10 11 12
U V W - + U V W N U V W
380V 375V 380V 380V
AC INPUT BATTERY BYPASS INPUT AC OUTPUT
K for 300kVA
USE COPPER CONDUCTORS ONLY
REFER TO INSTRUCTION MANUAL REGARDING
TIGHTENING TORQUE OF TERMINAL BLOCKS.
1 2 3 4 5 6 7 8 9 10 11 12
U V W - + U V W N U V W
480V 400V 480V 480V
AC INPUT BATTERY BYPASS INPUT AC OUTPUT
* The label G is attached at the ground wire connection point.
** The label E is mounted in the vicinity of the main circuit transformers and reactors that can be seen from
the back of the UPS.
Figure 5.4 - Warning Labels.