Page 743 - Din prodcuts 2020

8/3

—
Energy efficiency

Network analyzers – M4M 20 and M4M 30

Technical features
Type M4M 20 - Class 0,5S M4M 30 - Class 0,5S

Current measurement inputs
Number of current inputs 3 (L1, L2, L3) 4 (L1, L2, L3, N)
Indirect insertion with CT
8
5 A (Class 0.5S)
CT rated secondary current
1 A (Class 1)
Measurement range without accuracy derating 50 mA - 6 A
Starting current 5 mA
Burden 0.024 VA at 6 A
Indirect insertion with Rogowski coils M4M 20 Rogowski M4M 30 Rogowski
Rated current 10,000 A
Measurement range without accuracy derating 100 A - 12 kA
Starting current [A] 10 A
I/O
Digital Output
Voltage (min - max) 5 - 240 VAC/DC
Current (min - max) 2 - 100 mA
Max ON state drop voltage 1.5 V
Max R value at Min voltage conditions (5 V) 1750 Ohm
Min R value at Max voltage conditions (240 V) 2400 Ohm
Pulse duration [ms] 20 ms ON, 20 ms OFF
Pulse frequency 25 Hz
Alarm activation delay [s] 1 - 900 s (programmable)
Alarm return hysteresis 0 - 40% (programmable)

Digital Input
Maximum voltage 240 VAC/DC
Max voltage for OFF state on input 20 VAC/DC
Min voltage for ON state on input 45 VAC/DC

Analogue Output
Programmable electrical span Span [0 - 20 mA or 4 - 20 mA]
Load Typical 250 Ohm, max 500 Ohm