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Technical
Section 11
Dimensions
Section 12
2
iMSU
iMX
iMX+OF
Overvoltage release
Shunt release
With Open/Close auxiliary contact
b
b
Switches off the power supply by opening the breaker
with which it is combined, in the event that the phase/
neutral voltage is exceeded (loss of neutral). For a
four-phase network, use three iMSU tripping auxiliaries
b
b
Trips the breaker when powered
b
b
Includes an open/close contact (OF) to indicate
the "open" or "closed" position of the breaker
U >
12 C2
11
(L/+)
C1
(N/-)
14
U >
b
b
Protection of equipment against overvoltages on the
electrical network
(neutral conductor break)
b
b
Voltage monitoring between phase and neutral
conductors
b
b
Emergency stoppage by normally open push
button
b
b
Emergency stoppage by normally open push
button
b
b
Remote indication of the position of the
associated breaker
A9A26500
A9A26476 A9A26477 A9A26478 A9A26946 A9A26947
A9A26948
b
b
b
b
b
b
b
b
b
b
b
b
b
b
230
100…415
48
12…24
100…415 48
12…24
–
110…130
48
12…24
110…130 48
12…24
255 V AC 275 V AC 300 V AC 350 V AC 400 V AC –
–
–
–
–
–
No tripping 15 s
5 s
0.75 s 0.20 s –
–
–
–
–
–
3 s
1 s
0.25 s 0.07 s –
–
–
–
–
–
50/60
50/60
50/60
On front face
On front face
On front face
–
–
–
2
2
2
–
–
y
24 V DC
10 mA mini, 6 A maxi
48 V DC
2 A
y
130 V DC
1 A
y
240 V AC
6 A
415 V AC
3 A
–
–
1 NO/NC
-35…+70
-35…+70
-35…+70
-40…+85
-40…+85
-40…+85
DB123012
DB118808
PB104496-35
PB104481-35
DB118806
PB104479-35
Electrical auxiliaries for
iC60, iID, iDPN Vigi, RCA and ARA
(cont.)
Protection
Circuit protection
Earth leakage protection