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Technical
Section 9
Dimensions
Section 10
P25M circuit breakers
Protection of
motors
4
Functions
These ensure the protection of single-phase or three-phase motors with local
manual control.
This protection includes:
n
Isolation
n
Manual control or remote control
n
Protection against short circuits (magnetic)
n
Protection against overloads (thermal)
Technical data
Compliance with
IEC 947-2 and IEC 947-4- 1 standards (association
with contactors)
Approvals:
CEBEC, DEMKO, NEMKO, SEMKO, FI.
Voltage rating (Ue):
690 V CA
Insulation voltage (Ui):
690 V
Impulse voltage (Uimp):
6 kV
Ratings (In):
Adjustable from 0.16 to 25 A
Thermal tripping:
Sensitive to phase failure
Ratings (In): adjustable from 0.16 to 25 A
Temperature compensation: - 20°C to + 40°C in an
enclosure
Magnetic trip unit:
12 times the In rating (± 20 %)
Breaking capacity as per IEC 947-2 (kA)
P25M circuit breaker:
Voltage (V)
230...
240
400... 415
440
500
690
Rating
Icu
Ics
Icu
Ics
Icu
Ics
Icu
Ics
Icu Ics
(A)
kA
%
kA
%
kA
%
kA
%
kA %
0.16
to
unlimited
1.6
2.5
3
75
4
3
75
6.3
50
100
50
100
3
75
10
15
100
10
100 3
75
14
15
50
8
50
6
75
3
75
18
15
50
8
50
6
75
3
75
23
50
100
15
40
6
50
4
75
3
75
25
50
100
15
40
6
50
4
75
3
75
AC3 electrical durability: 100 000 O-C cycles
Padlocking device on front face
Tropicalisation:
Treatment 2 (relative humidity: 95 % to 55 °C)
Environment:
Utilisation temperature: -20…+60 °C
Storage: -40…+80 °C
Weight (g)
P25M 260
Limiter block 130
Connection:
Using terminal clamps:
2 x 1 mm
2
min. Rigid copper cables
2 x 6 mm
2
max. Flexible copper cables
Limiter block
Allows the breaking capacity to be increased up to 100 kA at 415 V.
Individual mounting (upstream/downstream) or on a terminal block,
part number 21144
Connection:
Tunnel terminals for 25 mm
2
flexible cables