50-80Kva Efficiency Vs. Load (Typical, No Transformer); 50-80Kva Thermal Loss Vs. Load (Typical, No Transformer) - Toshiba 4400 Series Installation And Operation Manual

4400 SPECIFICATIONS: 50–80kVA w/ External Battery Backup
Specification
RS-232 Inrterface
Optional – Intelligent Monitoring
Optional – Remote Status Alarm
Panel (RSAP)
ADDITIONAL FEATURES
Optional Matching Battery Cabinets
Optional Matching MBS/PDU Cabinet
OTHER
Warranty (yr.)
Certifications
2 - Minimum front clearance for unobstructed airflow is 20 inches. However, minimum front clearance when
physically accessing the UPS must be at least the width of the front door of the UPS, or per NEC 110.34(A)
(36 i n./900 mm) and local requirements, whichever is greater.
3 - Approximate weights for dual-input units. Actual weights may vary depending on exact UPS configu-
ration.
11.9 50–80kVA Efficiency vs. Load (Typical, No Transformer)
UPS
50kVA
50kVA + 1 Xfmr.
50kVA + 2 Xfmr.
80kVA
80kVA + 1 Xfmr
* Subject to change without notice.
11.10 50–80kVA Thermal Loss vs. Load (Typical, No Transformer)
UPS
50kVA
50kVA + 1 Xfmr.
50kVA + 2 Xfmr.
80kVA
80kVA + 1 Xfmr
* Subject to change without notice.
4400 Series Installation and Operation Manual – 64527-006
50kVA
UL 1778, CUL, NEC (NFPS-70), CE, IBC, CBC, ANSI C62.41 (IEEE 587),
Nema/PET-1993, OSHA, ISO9000, ISO 14001:2004.
% EFFICIENCY AT VARIOUS LOADS*
Percent Full Load
25% 50%
88.8% 90.9%
85.8% 87.9%
82.8% 84.9%
88.8% 90.9%
85.8% 87.9%
THERMAL LOSS AT VARIOUS LOADS*
BTU/hr. Loss at Percent Full Load
0% 25%
3412 4856
4095 6369
4095 7991
5459 7770
6824 10,190
80kVA
Yes
Yes – RemotEye 4
Yes
Yes
Yes
3 Years
75% 100%
91.0% 91.0%
88.0% 88.0%
85.0% 85.0%
91.0% 91.0%
88.0% 88.0%
50% 75% 100%
7695 11,389 15,186
10,578 15,703 20,938
13,665 20,322 27,096
12,312 18,223 24,297
16,925 25,125 33,501
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