Power Cables Connection; Installation Requirements - Eaton 9PX8KSP Manual De Instalación Y Usuario

5.1

Installation requirements

Recommended protective devices and cable cross-sections
utility
Note: Do not feed neutral through circuit breaker or backfeed.
1. Recommended upstream protection
9PX 8K SP
9PX 10K SP
2. Recommended backfeed protection
One of following AC contactors used as backfeed protection devices shall be installed external
to Main Input of UPS. The following Eaton XCE050D contactors are recommended.
Note that the appropriate contactor should be sourced based upon the on-site voltage.
Nominal Coil
Voltage
208
220
240
Manufacture
Moeller GMBH
3. Recommended wire size
Terminal
position
L1
L2
N
Copper wire, solid or stranded.
614-00205-01_EN
Circuit breaker
UPS power rating
8000VA
10000VA
EATON XTCE050D series contactor
Part number Freq
XTCE050D00D 60
XTCE050D00G 60
XTCE050D00B 60
Type Rating
DILM-50 General Use - 80A, 600VAC, 50/60Hz
Wire Terminal wire
function size rating
Phase 8-4 AWG (10-25 mm
Phase
Neutral
Ground

5. Power cables connection

Backfeed protection
Upstream circuit breaker
D Curve - 60A
D Curve - 60A
Pickup Drop out
Min Max Min Max
0.8 1.1 0.3 0.6
0.8 1.1 0.3 0.6
0.8 1.1 0.3 0.6
Minimum input
wire size
) 6 AWG (75°C)
2
For 9PX 8K SP
4 AWG (75°C)
For 9PX 10K SP
Pickup Drop out
Min Max Min Max
166 229 62 125
176 242 66 132
192 264 72 144
Tightening
torque
18 lb in / 2.03 Nm
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