Eaton W-VACi - Operating Conditions; Breaker Description

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65A7355H01 November 2011 www.eaton.com
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.
Table 2-1: Operating Conditions
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
RATED VOLTAGE (kV) IDENTIFICATION
W-VACi or W-VACiR
WITHDRAWABLE (W-VACi) OR FIXED(W-VACiR)
VACUUM CIRCUIT BREAKER
20/25/26.3/31.5/40/50
RATED SHORT CIRCUIT BREAKING CURRENT (kA)
630/800/1250/1600/2000
NORMAL CURRENT (A)
150/210/275
POLE SPACING (mm)
Fig. 2-1: Breaker Description