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
I
CAUTION
RISK OF ELECTRIC SHOCK
Heat Sink (IGBT) is not grounded.
Test before touching.
F
DANGER
RISK OF ELECTRIC SHOCK OR ELECTRIC
Dangerous electric charge may be stored in capacitor and associated circuitry.
Test before touching.
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.
J
CAUTION
8A
( control power source switch )
Do not turn off while operating.
K for 250kVA
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| 380V |
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| 375V |
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| AC INPUT | BATTERY | BYPASS INPUT |
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K for 300kVA |
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| 480V |
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| AC INPUT | BATTERY BYPASS INPUT |
| AC OUTPUT |
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*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.
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