6 Specifications
UPS ratings | 20 kVA | 30 kVA |
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Input voltage / Bypass voltage (V) per phase | 480 | 480 |
Input current (nominal) (A) | 25.5 | 36.8 |
Input frequency (Hz) range | 60 | 60 |
Output voltage (on line) (Vac) | 3x208/120 | 3x208/120 |
Minimum and maximum values(± 1%) |
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Output current (nominal, per phase) (A) | 55.5 | 83.3 |
Maximum output current (in bypass only at | 61.1 | 91.6 |
110% overload per phase) |
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Neutral output current | 37.5 | 56.7 |
(with 100% switch mode load) (A) |
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Minimum breaker settings
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| 150% | 125% |
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| 800% | overload | overload |
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| overload | normal/ | normal/ |
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| Internal | bypass | battery | battery | Conti- |
20kVA | fault | operation | operation | operation | nuously |
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Mains input | 4 kA | – | – | – | 68 A |
Bypass input | 2.3 kA | 444 A | – | – | 62 A |
Duration | <10 ms | 500 ms | 30 s | 60 s | ∞ |
Notes | 1 |
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| 150% | 125% |
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| 800% | overload | overload |
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| overload | normal/ | normal/ |
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| Internal | bypass | battery | battery | Conti- |
30kVA | fault | operation | operation | operation | nuously |
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Mains input | 5 kA | – | – | – | 102 A |
Bypass input | 4.2 kA | 444 A | – | – | 92 A |
Duration | <10 ms | 500 ms | 30 s | 60 s | ∞ |
Notes | 1 |
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Note 1: the
Recommended
UPS/AWG | AC | AC | DC input |
sizes | input [AWG] | output [AWG] | [AWG], 75ºC Wire |
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20 kVA | 6 | 4 | 4 |
30 kVA | 4 | 1 | 1 |
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Use Molex lug type or equivalent, and crimp to manufacturer’s specifications.
Note
Cable Size | Cable Lug | Crimping | Die | Terminal Bolt |
[AWG] | Type | Tool | Diameter | |
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6 | YA6CL2TC38 | W5CVT | 0.2 in/6 mm | |
4 | YA4CL2TC38 | W4CVT | 0.2 in/6 mm | |
1 | YA1CL2TC38 | W1CVT | 0.2 in/6 mm | |
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At 100%
Warning
Recommended current protection
To ensure the correct functionality of the PDU and to avoid unintentional tripping of the bypass input protection device follow the following recommendation:
Use the SUVTOPT114 (20 kVA version) or the SUVT115 (30 kVA version) as input protection.
Output protection is included in the PDU of the unit.
Note: Using a solution solely based on breakers, selectivity for load short circuit currents higher than 2 kA cannot be assured for the
UPS size | Fuse type |
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20 kVA version 480 V input voltage | 40 A Class J time delay fuse |
30 kVA version 480 V input voltage | 50 A Class J time delay fuse |
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If fuses are preferred, the following can be used:
UPS size | Breaker/fuse |
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20 kVA version 480 V input voltage | 40 A |
30 kVA version 480 V input voltage | 50 A |
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Ensure that the
Breakers/fuses other than APC SUVTOPT need complete selectivity assessments.
Note
7 Checklist
• Do not apply electricity to the UPS.
• Do not connect batteries in the UPS.
• If an XR Battery Enclosure is installed make sure that the DC breaker (if available) is in the OFF position and that both 125A fuses are removed from the XR Battery Enclosure.
• Check that the power wiring is torqued to 62 lbf.in/7 Nm.
• Verify clockwise
• If the installation includes an XR Battery Enclosure, remount the 125A fuses in the XR Battery Enclosure and check that the DC breaker (if available) on the XR Battery Enclosure is in the ON position.
• Leave a wiring diagram on site for service personnel.
• Close the rear door.
• For any optional equipment, refer to
8 Contact Information
If a problem occurs, phone Customer Support at (1) (800)