MA-21 Technical Info  
Power
  MA-21 VAC         
Rated voltage: 115/230 VAC          
Operating voltage: 107-132 VAC
207-264 VAC  
       
Rated current: 22 mA @ 230 VAC
 
       
Rated frequency: 48-62 Hz          
Connection: Power inlet          
Connector size: -          


20 mA current loop
Electrical specification: 20 mA current loop
Data rate: – 19200 bit/s
Connection: Screw terminal
Connector size: 0.2 – 2.5 mm2, 24 – 12 AWG


RS-232
Electrical specification: RS-232 V.24
Data rate: – 19200 bit/s
Connection: 25-pos. D-sub female DCE


Isolation between interfaces
Power to all other 3000 V RMS @50 Hz and 60 s duration (MA-21 AC).
Power to all other 1500 V RMS @50 Hz and 60 s duration (MA-21 DC).
Line to Line 1500 V RMS @50 Hz and 60 s duration.


Standards
See Declaration of Conformity, DoC


Environmental
Temperature, operating: 5 to 50°C


Mechanical
Dimension (W x H x D): 161x53x139 mm
Weight: AC 0.5 kg, DC 0.3 kg
Mounting: Table top
Degree of protection: IP 20