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AUTOM ATI C TR A N S FE R SWITCH , OTM _C _ 21D
Table 6. Technical data
—
Technical data
Automatic transfer switch
Parameters
Rated operational voltage Ue [V]
220~240 V AC 50~60 Hz
Operating voltage range
0.7~1.3 Ue
Measuring accuracy
±3%
Operating angle
90° ( O-I, I-O, O-II, II-O)
180° ( I-O-II, II-O-I)
OFF time
0,6 - 0,7 s
Total transfer time
2.5 s
Electromagnetic compatibility
Class A
Ingress Protection Rating
IP20, front panel
Rated impulse withstand voltage
U
imp
8 kV (6 kV for control circuit, disconnect the power line of
the control circuit before carrying out the dielectric voltage
withstand test)
Operating temperature
-25~55
o
C
Transportation and storage temperature
-40~70
o
C
Altitude
Max. 2000 m
