Direct indication of input current or
primary current of external CT
Moving iron equipment
Direct connection 1...10A
Input by external CT /5A or /1A
Version for starting motor 2In or 5In
Scale length 240°
Accuracy class 1,5
DISPLAY
Scale: interchangeable, easy-insertion to protect the pointer as well as relevant
closing slip
Scale colour: white background, black divisions and numbering
Customized scales upon request
Option: reference red mark
Scale length: 240°
Standard scale marking: 0...In
Motor startup marking scale: 0...In...2In or 0...In...5In
Pointer colour: black
Option: (adjustable) reference red pointer to store the highest measured value
INPUT
Quantity: single-phase, alternating current
Connection: direct (S 250/122) or by external CT /5A or /1A (S 250/123)
Measure: true RMS value
Rating current In
Direct connection: 1...10A (see table)
Connection by CT external: 5A or 1A
Continuous overload: 1,2In
Instantaneous overload: 10In/5s
Rating frequency fn: 50Hz
Working frequency: 45..65Hz
Accuracy (EN/IEC 60051): class 1,5
Rated burden: ≤ 1,1VA
