M4M datasheet(4/10 Pages) ABB

4 / 10 page

Current measurement inputs

Number of current inputs

3 (L1, L2, L3)

4 (L1, L2, L3, N)

Indirect insertion with CT

CT rated secondary current

5 A (Class 0.5S)

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

T EC HNI C A L FE AT U R E S

M4M 20

M4M 30

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