22
AUTOM ATI C TR A N S FE R SWITCH , OTM _C _ 21D
Automatic transfer switch
Parameters
Rated operational voltage Ue[V]
Single-phase (2P)
Three-phase (3P/4P)
220~240 V AC 50~60 Hz
380/400/415
Frequency
50Hz/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
Output relay utilization category
3A, AC1, 250V
Electromagnetic compatibility
Class B
Ingress Protection Rating
IP20, front panel
Rated impulse withstand voltage Uimp
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
—
5. Technical data
Table 9. Technical data
