Datasheet

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C-16 Motor Control and Protection up to 18.5 kW / 25 HP
MPW Motor Protective Circuit Breakers - Technical Data
Notes: 1) 500 V with plastic enclosure.
2) Reduce current for temperatures exceeding +60 °C (87% to 70 °C).
3) Only available with spring terminal.
Models MPW12 MPW18 MPW12i MPW18i
Maximum rated current Inmax (Ie) 12 A 18 A 12 A 18 A
Number of poles 3
Short-circuit release 13xIe
max
13xIe
max
Rated operational voltage Ue 690 V
1)
690 V
1)
Rated frequency 50/60 Hz 50/60 Hz
Rated insulation voltage Ui 690 V 690 V
Rated impulse withstand voltage Uimp 6 kV 6 kV
Use category
IEC 60947-2 (circuit breaker) A A
IEC 60947-4-1 (motor starter) AC-3 AC-3
Tripping test Yes Yes
Overload protection Yes No
Phase failure sensitivity (IEC 60947-4-1) Yes No
Tripping indication No No
Tripping class (IEC 60947-4-1) 10 -
Maximum operation per hour Operations/hour 15 15
Altitude (m) 2000 2000
Degree of protection (IEC 60529) IP20 IP20
Mechanical life Number of operations 100000 100000
Electrical life Number of operations 100000 100000
Permissible ambient temperature
Transport and storage -50...+80 °C -50...+80 °C
Operation
2)
-20...+70 °C -20...+70 °C
Temperature compensation (IEC 60947-4-1) -20...+60 °C -
Power dissipation per circuit breaker
Maximum rated currents In
≤10 A 7 W 7 W
≤12 A
3)
7 W 7 W
≤16 A 8 W 8 W
≤18 A 7 W 7 W
Resistance to impact (IEC 60068-2-27) 15 g 15 g
Standards
IEC 60947-1 Yes
IEC 60947-2 Yes
IEC 60947-4-1 Yes
Connection
Type of terminal Spring
Screws
Phillips (Nº 2)
Spring
Screws
Phillips (Nº 2)
Tightening torque
N.m - 1.2...1.7 - 1.2...1.7
lb.in - 11...16 - 11...16
Dimensions
Width (mm) 45 45 45 45
Height (mm) 100 90 100 90
Depth (mm) 77 77 77 77