Specifications
U-ENS00011_99AtypSMSSpec_Rev2.doc
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Copyright © 2008, Mitsubishi Electric Power Products, Inc.
U-ENS00011 Rev2 12/9/08
A. The UPS shall be capable of withst anding any combination of the following external
environment conditions without mechanical damage, electrical failure or degradation of
operating characteristics.
1. Operating ambient temperature: 0 degrees C to +40 degrees C (32 degrees F to 104
degrees F) no derating required.
2. Recommended operating temperature range: +15 degrees C to +25 degrees C (59
degrees F to 77 degrees F).
3. Non-operating and storage ambient temperature: -20 degrees C to +70 degrees C (-4
degrees F to 158 degrees F).
4. Operating relative humidity: 5% to 95%, non-condensing.
5. Recommended operating relative humidity: 30 % to 90%.
6. Operating altitude: Sea level to 2250 meter (7400ft).
7. There should be no inflammable / explosive gas.
8. Dust in the room where the UPS is installed must not exceed normal atmospheric dust
levels. In particular, that dust should not include iron particles, oils or fats, or organic
m aterials such as silicone.
B. Audible acoustical noise: Noise generated by the UPS, when operating under full rated load,
at a distance of one meter from any UPS operator surface, shall not exceed 70dB as
measured on the A scale of a standard sound level meter at slow response.
C. Input surge withstand capability: The UPS shall be in compliance with IEEE C62.41,
Category B.
1.6 WARRANTY
The UPS manufacture shall warrant to the original end user that the Uninterruptible Power
Supply System sold by Mitsubishi Electric Power Products, Inc. (the “Product”) shall be free from
defects in material and workmanship under normal use and service for a period of thirty-six (36)
months from the date of installation or forty-two (42) months from the date of shipment of the
Product, whichever comes first, at the premises of the original end user .
1.7 QUALITY ASSURANCE
1.7.1 Reliability
The UPS equipment reliability shall be represented in terms of theoretical
Mean-Time-Between-Failures (MTBF). The UPS manufacturer shall, as a minimum,
provide the following capability:
A. Total single module UPS system output (includes reliability of bypass circuit):
3,000,000 MTBF hours.
B. Single module UPS operation (represent s UPS module operation only):
140,000 MTBF hours.
1.7.2 Maintainability
MTTR of the UPS shall not exceed four (4) hours including time to replace components.










