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2.7
Operating Conditions
W-VACi breakers are designed for switchgear mounted in indoor areas under normal service conditions (ambient air
temperature, altitude, humidity, etc.) as laid out is IEC60694 clause 2.1.1.
Ambient Temperature:
Maximum = +40°C
Minimum = -5°C
Altitude:
Do not exceed 1000m
For applications above 1000 m de-rating is required
Service Site:
The environment shall be free of water, flame, and/or explosive hazard.
No chemical corrosive gases, and/or intensive vibration.
2.8
Breaker Description
12kV/17.5kV/24 kV
W-VACi or W-VACiR
20/25/26.3/31.5/40/50
630/800/1250/1600/2000
150/210/275
12
Table 2-1: Operating Conditions
RATED VOLTAGE (kV) IDENTIFICATION
WITHDRAWABLE (W-VACi) OR FIXED(W-VACiR)
VACUUM CIRCUIT BREAKER
RATED SHORT CIRCUIT BREAKING CURRENT (kA)
NORMAL CURRENT (A)
POLE SPACING (mm)
Fig. 2-1: Breaker Description
65A7355H01 November 2011 www.eaton.com
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