Page 75 - Changeover switch

ABB TRANSFER AND CHANGE-OVER SWITCHES 75

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Optional accessories for motorized change-over switches

Technical data and dimensional drawings for automatic control units

Technical data for automatic control units OMD300/800
OMD300
Rated operational voltage U e 208 V AC - 480 V AC +/- 20% + N
Phase - Neutral 120 V AC - 277 V AC +/- 20%
Rated frequency 50 / 60 Hz +/- 10%
Voltage sensing precision 5%
Frequency sensing precision 1% 03
Relay ratings: X21, X22 12 A, AC1, 250 V / 12 A, DC1, 24 V
X23, X24 8 A, AC1, 250 V / 8 A, DC1, 24 V
X26, X27, X28 10 A, AC1, 250 V / 5 A, DC1, 24 V
Rated impulse withstand voltage, U imp 6 kV
Overvoltage category III
Pollution degree 2
OMD800
Rated operational voltage U e on 3 phase system 100 V AC - 480 V AC +/- 20%
Phase - Neutral 57.7 V AC - 277 V AC +/- 20%
Rated operational voltage U e on 1 phase system
1) 57.7 V AC - 277 V AC +/- 20%
Rated frequency 50 / 60 Hz +/- 10%
Voltage sensing precision 1%
Frequency sensing precision 1%
Relay ratings: X21, X22, X24 12 A, AC1, 250 V / 12 A, DC1, 24 V
X23 8 A, AC1, 250 V / 8 A, DC1, 24 V
X29 5 A, AC1, 250 V / 6 A, DC1, 24 V
Rated impulse withstand voltage, U imp 6 kV
Overvoltage category III
Pollution degree 2
AUX voltage (1) 24 V DC - 110 V DC (-10% to +15%)
Protection rating for the front panel IP40
Operating temperature – 20...+ 60 °C
Transportation and storage temperature – 25...+ 80 °C
Altitude Max. 2000m
Humidity
With condensation 5 %...98 %
Without condensation 5 %...90 %
1) If on 1 phase system the voltage level is between 57.7 – 109 V AC, AUX voltage supply must be used

OMD300/800

96 170
A07267 / M00392/OMD_CONTROLLER A
OMD
144
138
150

90

Main dimensions (mm)