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PKM0-25 044503 Y7-44503 EATON ELECTRIC Short-circuit protective breaker, 3p, im 350A
PKM0-25
044503
Y7-44503
EATON - MOELLER
1 Pcs.
Short-circuit protective breaker, 3p, im=350A
Short Circuit Protector Switch 3 poles im=350A
Eaton Moeller® series PKM0 Short-circuit protective breaker, Iu 25 A, Irm 388 A, Screw terminals, Also suitable for motors with efficiency class IE3.
Motor-protective circuit-breaker according to IEC/EN60947, 3 pole size PKM0, with non-delayed short-circuit release, screw and snap fitting, with screw terminal, cap installation dimension 45mm, rated operating voltage Ue 690V, degree of protection IP20, finger proof according to VDE 0106 T. 100, accessories: auxiliary contact, voltage release, contact module, clip plate
Automation > Motor protection circuit-breaker
Circuit Breakers PKZ
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The Eaton Moeller PKM0-25 044503 Y7-44503 EATON ELECTRIC Short-circuit protective breaker, 3p, im 350A is a specialized protective breaker engineered to quickly isolate short circuits in industrial power circuits. Such protective devices are deployed in motor starter assemblies to guard downstream equipment from sudden high-magnitude fault currents. Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Overload release current setting (EF002336): 0 A
- Adjustment range undelayed short-circuit release (EF007131): 388 A
- With thermal overload protection (EF006233): No
- Phase failure sensitive (EF007400): No
- Switch off technique (EF007007): Magnetic
- Rated operating voltage (EF001435): 690 V
- Rated permanent current Iu (EF001389): 25 A
- Rated operation power at AC-3, 230 V (EF007025): 5.5 kW
- Rated operation power at AC-3, 400 V (EF001364): 12.5 kW
- Power loss (EF005387): 7.04 W
- Type of electrical connection of main circuit (EF006819): Screw connection
- Type of control element (EF006976): Rotating button
- Device construction (EF008240): Built-in device fixed built-in technique
- With integrated auxiliary switch (EF001387): No
- With integrated under voltage release (EF001390): No
- Number of poles (EF001391): 3
More info
▲General specifications
Product Name
Eaton Moeller® series PKM0 Short-circuit protective breaker
Catalog Number
044503
Model Code
PKM0-25
EAN
4015080445036
Product Length/Depth
76 mm
Product Height
93 mm
Product Width
45 mm
Product Weight
0.293 kg
Certifications
IEC/EN 60947
VDE 0660
VDE 0660
Features & Functions
Actuator type
Turn button
Number of poles
Three-pole
General
Connection
Screw terminals
Lifespan, electrical
100,000 operations
Lifespan, mechanical
100,000 Operations
Mounting position
Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.
Operating frequency
40 Operations/h
Overvoltage category
III
Pollution degree
3
Product category
Motor protective circuit breaker
Protection
Finger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274)
Rated impulse withstand voltage (Uimp)
6000 V AC
Shock resistance
25 g, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms
Suitable for
Also motors with efficiency class IE3
Temperature compensation
≤ 0.25 %/K, residual error for T > 40°
-5 - 40 °C to IEC/EN 60947, VDE 0660
-25 - 55 °C, Operating range
-5 - 40 °C to IEC/EN 60947, VDE 0660
-25 - 55 °C, Operating range
Type
Short-circuit protective device only
Climatic environmental conditions
Altitude
Max. 2000 m
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
55 °C
Ambient operating temperature (enclosed) - min
-25 °C
Ambient operating temperature (enclosed) - max
40 °C
Ambient storage temperature - min
-40 °C
Ambient storage temperature - max
80 °C
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, cyclic, to IEC 60068-2-30
Terminal capacities
Terminal capacity (solid)
2 x (1 - 6) mm²
1 x (1 - 6) mm²
1 x (1 - 6) mm²
Terminal capacity (solid/stranded AWG)
18 - 10
Stripping length (main cable)
10 mm
Tightening torque
1.7 Nm, Screw terminals, Main cable
1 Nm, Screw terminals, Control circuit cables
1 Nm, Screw terminals, Control circuit cables
Electrical rating
Rated frequency - min
50 Hz
Rated frequency - max
60 Hz
Rated operational current (Ie)
25 A
Rated operational power at AC-3, 220/230 V, 50 Hz
5.5 kW
Rated operational power at AC-3, 380/400 V, 50 Hz
12.5 kW
Rated operational voltage (Ue) - min
690 V
Rated operational voltage (Ue) - max
690 V
Rated uninterrupted current (Iu)
25 A
Short-circuit rating
Short-circuit release
Basic device fixed 15.5 x Iu, Trip Blocks
388 A, Irm, Setting range max.
± 20% tolerance, Trip blocks
388 A, Irm, Setting range max.
± 20% tolerance, Trip blocks
Rated short-circuit breaking capacity Ics at 400 V AC
38 kA
Rated short-circuit breaking capacity Icu at 400 V AC
50 kA
Rated short-circuit breaking capacity Icu at 440 V AC
10 kA
Rated short-circuit breaking capacity Ics at 440 V AC
3 kA
Rated short-circuit breaking capacity Icu at 500 V AC
3 kA
Rated short-circuit breaking capacity Ics at 500 V AC
3 kA
Rated short-circuit breaking capacity Icu at 690 V AC
3 kA
Rated short-circuit breaking capacity Ics at 690 V AC
1 kA
Trip blocks
Overload release current setting - min
0 A
Overload release current setting - max
0 A
Design verification
Equipment heat dissipation, current-dependent Pvid
7.04 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
2.35 W
Rated operational current for specified heat dissipation (In)
25 A
Static heat dissipation, non-current-dependent Pvs
0 W
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
10.2.7 Inscriptions
Meets the product standard's requirements.
10.3 Degree of protection of assemblies
Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances
Meets the product standard's requirements.
10.5 Protection against electric shock
Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.
10.10 Temperature rise
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.