PKM0-32
278491 PKM0-32
278491

Short-circuit protective breaker, Iu 32 A, Irm 496 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

Product range	PKM0 motor protective circuit-breakers up to 32 A
Basic function	Short-circuit protective device only
Notes
Connection technique	Also suitable for motors with efficiency class IE3. IE3-ready devices are identified by the logo on their packaging.
Contact sequence	Screw terminals
AC-3 >220 V 230 V 240 V [P]
AC-3 >380 V 400 V 415 V [P]
AC-3 >440 V [P]	7.5 kW
AC-3 >500 V [P]	15 kW
AC-3 >660 V 690 V [P]	15 kW
Rated uninterrupted current [Iu]	22 kW
short-circuit release [Irm ] >max. [Irm ]	30 kW
Notes	32 A
Notes
Standards	496 A
Climatic proofing	An appropriate overload relay must be fitted to protect motors against overload. Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height. Refer to catalog CA034001DE for the allocation of short circuit protection and contactor
Ambient temperature >Storage	Beim Einsatz des PKM0 als Kurzschlussschutz von schwer anlaufenden Motoren muss der Bemessungsbetriebsstrom Ie bei der Projektierung der Schaltgeräte mit den folgenden Faktoren überdimensioniert werden: CLASS 5: 1,0 CLASS 10: 1,0 CLASS 15: 1,22 CLASS 20: 1,41 CLASS 25: 1,58 CLASS 30: 1,73 CLASS 35: 1,89 CLASS 40: 2,0
Ambient temperature >Open
Ambient temperature >Enclosed	IEC/EN 60947, VDE 0660
Mounting position	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Direction of incoming supply	- 40 - 80 °C
Degree of protection >Device	-25 - +55 °C
Degree of protection >Terminations	- 25 - 40 °C
Protection against direct contact when actuated from front (EN 50274)
Mechanical shock resistance half-sinusoidal shock 10 ms to IEC 60068-2-27	as required
Altitude	IP20
Terminal capacity main cable >Screw terminals >Solid	IP00
Terminal capacity main cable >Screw terminals >Flexible with ferrule to DIN 46228	Finger and back-of-hand proof
Terminal capacity main cable >Screw terminals >Solid or stranded	25 g
Terminal capacity main cable >Screw terminals >Stripping length	Max. 2000 m
Specified tightening torque for terminal screws >Main cable	1 x (1 - 6) 2 x (1 - 6) mm2
Specified tightening torque for terminal screws >Control circuit cables	1 x (1 - 6) 2 x (1 - 6) mm2
Rated impulse withstand voltage [Uimp]	18 - 10 AWG
Overvoltage category/pollution degree	10 mm
Rated operational voltage [Ue ]	1.7 Nm
Rated uninterrupted current = rated operational current [Iu = Ie ]	1 Nm
Rated frequency [f]
Current heat loss (3 pole at operating temperature)	6000 V AC
Impedance per pole	III/3
Lifespan, mechanical [Operations]	690 V AC
Lifespan, electrical (AC-3 at 400 V) >Lifespan, electrical [Operations]	32 A
Max. operating frequency	40 - 60 Hz
Motor switching capacity >AC-3 (up to 690V)	9.56 W
Motor switching capacity >DC-5 (up to 250V)	3 mΩ
Temperature compensation >to IEC/EN 60947, VDE 0660	0.1 x 106
Temperature compensation >Operating range	0.1 x 106
Temperature compensation residual error for T > 40 °C	40 Ops/h
short-circuit release	32 A
Short-circuit release tolerance	25 (3 contacts in series) A
Rated operational current for specified heat dissipation [In]
Heat dissipation per pole, current-dependent [Pvid]	- 5…40 °C
Equipment heat dissipation, current-dependent [Pvid]	- 25…55 °C
Static heat dissipation, non-current-dependent [Pvs]	≦ 0.25 %/K
Heat dissipation capacity [Pdiss]	Basic device, fixed: 15.5 x Iu
Operating ambient temperature min.	± 20%
Operating ambient temperature max.
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	32 A
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	3.19 W
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat	9.56 W
10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects	0 W
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation	0 W
10.2 Strength of materials and parts >10.2.5 Lifting	-25 °C
10.2 Strength of materials and parts >10.2.6 Mechanical impact	+55 °C
10.2 Strength of materials and parts >10.2.7 Inscriptions
10.3 Degree of protection of ASSEMBLIES	Meets the product standard´s requirements.
10.4 Clearances and creepage distances	Meets the product standard´s requirements.
10.5 Protection against electric shock	Meets the product standard´s requirements.
10.6 Incorporation of switching devices and components	Meets the product standard´s requirements.
10.7 Internal electrical circuits and connections	Meets the product standard´s requirements.
10.8 Connections for external conductors	Does not apply, since the entire switchgear needs to be evaluated.
10.9 Insulation properties >10.9.2 Power-frequency electric strength	Does not apply, since the entire switchgear needs to be evaluated.
10.9 Insulation properties >10.9.3 Impulse withstand voltage	Meets the product standard´s requirements.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Does not apply, since the entire switchgear needs to be evaluated.
10.10 Temperature rise	Meets the product standard´s requirements.
10.11 Short-circuit rating	Does not apply, since the entire switchgear needs to be evaluated.
10.12 Electromagnetic compatibility	Does not apply, since the entire switchgear needs to be evaluated.
10.13 Mechanical function	Is the panel builder´s responsibility.
Overload release current setting	Is the panel builder´s responsibility.
Adjustment range undelayed short-circuit release	Is the panel builder´s responsibility.
With thermal protection	Is the panel builder´s responsibility.
Phase failure sensitive	Is the panel builder´s responsibility.
Switch off technique	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
Rated operating voltage	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Rated permanent current Iu	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Rated operation power at AC-3, 230 V	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Rated operation power at AC-3, 400 V
Type of electrical connection of main circuit
Type of control element	0 - 0 A
Device construction	496 - 496 A
With integrated auxiliary switch	No
With integrated under voltage release	No
Number of poles	Magnetic
Rated short-circuit breaking capacity lcu at 400 V, AC	690 - 690 V
Degree of protection (IP)	32 A
Height	7.5 kW
Width	15 kW
Depth	Screw connection
Specially designed for North America	Turn button
Accessories	Built-in device fixed built-in technique
Characteristic curve	No
Characteristic curve	No

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