PKZM4-25-CB
132592 PKZM4-25-CB
132592

Circuit-breaker, Ir= 16 - 25 A, Screw terminals, Terminations: IP2X
Circuit-breakers for the protection of cables and conductors, UL489, CSA22.2 no. 5-09, not usable as a main switch

Product range	PKZM4 motor protective circuit-breakers up to 65 A PKZM4 circuit-breakers up to 32 A according to 489
Basic function	Line and cable protection
Function	For protection of cables and conductors
Connection technique	Screw terminals
Contact sequence
Rated uninterrupted current [Iu]	25 A
Overload releases [Ir ]
short-circuit release [Irm ] >max. [Irm ]	16 - 25 A
Notes	388 A
Standards	Not usable as a main switch
Climatic proofing
Ambient temperature >Storage	IEC/EN 60947, VDE 0660,UL, CSA
Ambient temperature >Open	Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature >Enclosed	- 40 - 80 °C
Mounting position	-25 - +55 °C
Direction of incoming supply	- 25 - 40 °C
Degree of protection >Device
Degree of protection >Terminations	as required
Protection against direct contact when actuated from front (EN 50274)	IP20
Mechanical shock resistance half-sinusoidal shock 10 ms to IEC 60068-2-27	IP2X
Altitude	Finger and back-of-hand proof
Terminal capacity main cable >Screw terminals >Solid	15 g
Terminal capacity main cable >Screw terminals >Flexible with ferrule to DIN 46228	Max. 2000 m
Terminal capacity main cable >Screw terminals >Solid or stranded	1 x (0.75 - 16) 2 x (0.75 - 16) mm2
Terminal capacity main cable >Screw terminals >Stripping length	1 x (0.75 - 16) 2 x (0.75 - 16) mm2
Specified tightening torque for terminal screws >Main cable	14 - 6 AWG
Rated impulse withstand voltage [Uimp]	14 mm
Overvoltage category/pollution degree	3.3 Nm
Rated operational voltage [Ue ]
Rated uninterrupted current = rated operational current [Iu = Ie ]	6000 V AC
Rated frequency [f]	III/3
Current heat loss (3 pole at operating temperature)	690 V AC
Impedance per pole	25 A
Lifespan, mechanical [Operations]	40 - 60 Hz
Lifespan, electrical (AC-3 at 400 V) >Lifespan, electrical [Operations]	14.7 W
Max. operating frequency	12 mΩ
Short-circuit rating >DC >Notes	0.03 x 106
Motor switching capacity >AC-3 (up to 690V)	0.03 x 106
Motor switching capacity >DC-5 (up to 250V)	40 Ops/h
Temperature compensation >to IEC/EN 60947, VDE 0660	up to 250 V
Temperature compensation >Operating range	25 A
Temperature compensation residual error for T > 40 °C	25 (3 contacts in series) A
Setting range of overload releases
short-circuit release	- 5…40 °C
Short-circuit release tolerance	- 25…55 °C
Phase-failure sensitivity	≦ 0.25 %/K
Short Circuit Current Rating (UL489, CSA 22.2 No. ) >480Y / 277V	0.6 - 1 x Iu
Rated operational current for specified heat dissipation [In]	Basic device, fixed: 15.5 x Iu
Heat dissipation per pole, current-dependent [Pvid]	± 20%
Equipment heat dissipation, current-dependent [Pvid]	IEC/EN 60947-4-1, VDE 0660 Part 102
Static heat dissipation, non-current-dependent [Pvs]
Heat dissipation capacity [Pdiss]	65 kA
Operating ambient temperature min.
Operating ambient temperature max.	25 A
10.2 Strength of materials and parts >10.2.2 Corrosion resistance	4.9 W
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures	14.7 W
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat	0 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	-25 °C
10.2 Strength of materials and parts >10.2.5 Lifting	+55 °C
10.2 Strength of materials and parts >10.2.6 Mechanical impact
10.2 Strength of materials and parts >10.2.7 Inscriptions	Meets the product standard´s requirements.
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	Does not apply, since the entire switchgear needs to be evaluated.
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	Meets the product standard´s requirements.
10.9 Insulation properties >10.9.3 Impulse withstand voltage	Does not apply, since the entire switchgear needs to be evaluated.
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material	Meets the product standard´s requirements.
10.10 Temperature rise	Does not apply, since the entire switchgear needs to be evaluated.
10.11 Short-circuit rating	Does not apply, since the entire switchgear needs to be evaluated.
10.12 Electromagnetic compatibility	Is the panel builder´s responsibility.
10.13 Mechanical function	Is the panel builder´s responsibility.
Rated permanent current Iu	Is the panel builder´s responsibility.
Rated voltage	Is the panel builder´s responsibility.
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz	Is the panel builder´s responsibility.
Overload release current setting	The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.
Adjustment range short-term delayed short-circuit release	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Adjustment range undelayed short-circuit release	Is the panel builder´s responsibility. The specifications for the switchgear must be observed.
Integrated earth fault protection	The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Type of electrical connection of main circuit
Device construction
Suitable for DIN rail (top hat rail) mounting	25 A
DIN rail (top hat rail) mounting optional	600 - 600 V
Number of auxiliary contacts as normally closed contact	65 kA
Number of auxiliary contacts as normally open contact	0 - 25 A
Number of auxiliary contacts as change-over contact	0 - 0 A
With switched-off indicator	0 - 350 A
With under voltage release	No
Number of poles	Screw connection
Position of connection for main current circuit	Built-in device fixed built-in technique
Type of control element	Yes
Complete device with protection unit	Yes
Motor drive integrated	0
Motor drive optional	0
Degree of protection (IP)	0
Product Standards	No
UL File No.	No
UL Category Control No.	3
CSA File No.	Other
CSA Class No.	Turn button
North America Certification	Yes
Specially designed for North America	No
Suitable for	No
Characteristic curve	IP20
Characteristic curve	UL 489; CSA-C22.2 no. 5-09; IEC60947-4-1; CE marking
Characteristic curve	E31593

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