General specifications
Product name
Eaton Moeller® series PKM0 Short-circuit protective breaker
Part no.
PKM0-0,25
EAN
4015080727217
Product Length/Depth
76 millimetre
Product height
93 millimetre
Product width
45 millimetre
Product weight
0.244 kilogram
Certifications
VDE 0660
IEC/EN 60947
Product Tradename
PKM0
Product Type
Short-circuit protective breaker
Product Sub Type
None
Catalog Notes
An appropriate overload relay must be fitted to protect motors against overload.
IE3-ready devices are identified by the logo on their packaging.
Refer to catalog CA034001DE for the allocation of short circuit protection and contactor
Features & Functions
Actuator type
Turn button
Number of poles
Three-pole
General information
Connection
Screw terminals
Degree of protection
IP20
Terminals: IP00
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
-25 - 55 °C, Operating range
-5 - 40 °C to IEC/EN 60947, VDE 0660
≤ 0.25 %/K, residual error for T > 40°
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
Terminal capacities
Terminal capacity (flexible with ferrule)
1 x (1 - 6) mm², ferrule to DIN 46228
2 x (1 - 6) mm², ferrule to DIN 46228
Terminal capacity (solid)
2 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
Electrical rating
Rated frequency - min
50 Hz
Rated frequency - max
60 Hz
Rated operational current (Ie)
0.25 A
Rated operational power at AC-3, 220/230 V, 50 Hz
0 kW
Rated operational power at AC-3, 380/400 V, 50 Hz
0.06 kW
Rated operational power at AC-3, 440 V, 50 Hz
0.06 kW
Rated operational power at AC-3, 500 V, 50 Hz
0.06 kW
Rated operational power at AC-3, 690 V, 50 Hz
0.12 kW
Rated operational voltage (Ue) - min
690 V
Rated operational voltage (Ue) - max
690 V
Rated uninterrupted current (Iu)
0.25 A
Short-circuit rating
Rated short-circuit breaking capacity Icu at 400 V AC
150 kA
Short-circuit release
Basic device fixed 15.5 x Iu, Trip Blocks
3.9 A, Irm, Setting range max.
± 20% tolerance, Trip blocks
Switching capacity
Switching capacity
0.25 A (3 contacts in series), DC-5 up to 250V
0.25 A, AC-3 up to 690 V
Trip blocks
Overload release current setting - min
0 A
Overload release current setting - max
0 A
Design verification
Equipment heat dissipation, current-dependent Pvid
5.15 W
Heat dissipation capacity Pdiss
0 W
Heat dissipation per pole, current-dependent Pvid
1.72 W
Rated operational current for specified heat dissipation (In)
0.25 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.

Technical data ETIM 8.0

Low-voltage industrial components (EG000017) / Motor protection circuit-breaker (EC000074)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Motor protection circuit-breaker (ecl@ss10.0.1-27-37-04-01 [AGZ529016])
Overload release current setting
0 - 0 A
Adjustment range undelayed short-circuit release
3.9 - 3.9 A
With thermal protection
No
Phase failure sensitive
No
Switch off technique
Magnetic
Rated operating voltage
690 - 690 V
Rated permanent current Iu
0.25 A
Rated operation power at AC-3, 230 V
0 kW
Rated operation power at AC-3, 400 V
0.06 kW
Type of electrical connection of main circuit
Screw connection
Type of control element
Turn button
Device construction
Built-in device fixed built-in technique
With integrated auxiliary switch
No
With integrated under voltage release
No
Number of poles
3
Rated short-circuit breaking capacity lcu at 400 V, AC
150 kA
Degree of protection (IP)
IP20
Height
93 mm
Width
45 mm
Depth
76 mm