Technical Data - ABB OTM_C_21D Installation And Operating Instructions Manual

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A U T O M AT I C T R A N S F E R S W I T C H , O T M _ C _ 2 1 D
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Technical data

Automatic transfer switch
Rated operational voltage Ue [V]
Operating voltage range
Measuring accuracy
Operating angle
OFF time
Total transfer time
Electromagnetic compatibility
Ingress Protection Rating
Rated impulse withstand voltage
U
imp
Operating temperature
Transportation and storage temperature
Altitude
Table 6. Technical data
Parameters
220~240 V AC 50~60 Hz
0.7~1.3 Ue
±3%
90° ( O-I, I-O, O-II, II-O)
180° ( I-O-II, II-O-I)
0,6 - 0,7 s
2.5 s
Class A
IP20, front panel
8 kV (6 kV for control circuit, disconnect the power line of
the control circuit before carrying out the dielectric voltage
withstand test)
-25~55 C
o
-40~70 C
o
Max. 2000 m