Toshiba 4400 Series, Installation And Operation Manual, Page: 82 / 138

72 4400 Series Installation and Operation Manual – 64527-008
4400 SPECIFICATIONS: 50–100kVA w/ External Battery Backup
Specification 50kVA 80kVA 100kVA
Optional – Remote Status Alarm Panel
(RSAP)
Yes
ADDITIONAL FEATURES
Optional Matching Battery
Cabinets
Yes
Optional Matching MBS/PDU Cabinet Yes
OTHER
Warranty (yr.) 3 Years
Certifications UL 1778, CUL, NEC (NFPS-70), CE
4
, IBC, CBC, ANSI C62.41 (IEEE 587), Nema/PET-
1993, OSHA, ISO9000, ISO 14001:2004
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 configuration.
4 - No CE certification for 100kVA
11.9 50–100kVA Efficiency vs. Load (Typical, No Transformer)
TABLE 11.1: % EFFICIENCY AT VARIOUS LOADS*
UPS
Percent Full Load
25% 50% 75% 100%
50kVA 88.8% 90.9% 91.0% 91.0%
50kVA + 1 Xfmr. 85.8% 87.9% 88.0% 88.0%
50kVA + 2 Xfmr. 82.8% 84.9% 85.0% 85.0%
80kVA 88.8% 90.9% 91.0% 91.0%
80kVA + 1 Xfmr 85.8% 87.9% 88.0% 88.0%
100kVA
89% 90% 91% 91%
* Subject to change without notice.
11.10 50–100kVA Thermal Loss vs. Load (Typical)
TABLE 11.2: THERMAL LOSS AT VARIOUS LOADS*
UPS
BTU/hr. Loss at Percent Full Load
0% 25% 50% 75% 100%
50kVA 3412 4856 7695 11,389 15,186
50kVA + 1 Xfmr. 4095 6369 10,578 15,703 20,938
50kVA + 2 Xfmr. 4095 7991 13,665 20,322 27,096
80kVA 5459 7770 12,312 18,223 24,297
80kVA + 1 Xfmr 6824 10,190 16,925 25,125 33,501
100kVA 6824 9,489 17,061 22,779 30,372
* Subject to change without notice.