Description
EATON PKZM4-40 EA
EATON PKZM4-40 EA
Type of protection | motor breaker | |
Max motor power | 20kW | |
Mounting | DIN | |
Range of overcurrent release settings | 32…40A | |
Electrical connection | screw terminals | |
Short circuit release | 560A | |
IP rating | IP20 | |
Operating temperature | -25…55°C | |
Related items | AGM2-10-PKZ0, AGM2-01-PKZ0, NHI11-PKZ0, NHI12-PKZ0, NHI21-PKZ0, NHI-E-10-PKZ0, NHI-E-11-PKZ0 | |
Operating voltage | 220…690V AC |
Product range
PKZM4 motor protective circuit-breakers up to 65 A
Basic function
Motor protection
Notes
Also suitable for motors with efficiency class IE3.
Connection technique
Screw terminals
Max. motor rating
AC-3220 V 230 V 240 V [P]
11 kW
AC-3380 V 400 V 415 V [P]
20 kW
AC-3440 V [P]
22 kW
AC-3500 V [P]
24 kW
AC-3660 V 690 V [P]
30 kW
Rated uninterrupted current [Iu]
40 A
Setting range
Overload releases
[Ir ]
[Ir ]32 – 40 A
short-circuit release
[Irm ]max. [Irm ]
[Irm ]max. [Irm ]620 A
Phase-failure sensitivity
IEC/EN 60947-4-1, VDE 0660 Part 102
Notes
Overload trigger: tripping class 10 A
Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.
Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.
TECHNICAL DATA
General
Standards
IEC/EN 60947, VDE 0660,UL, CSA
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
Ambient temperatureStorage
– 40 – 80 °C
Ambient temperatureOpen
-25 – +55 °C
Ambient temperatureEnclosed
– 25 – 40 °C
Direction of incoming supply
as required
Degree of protectionDevice
IP20
Degree of protectionTerminations
IP00
Protection against direct contact when actuated from front (EN 50274)
Finger and back-of-hand proof
Mechanical shock resistance half-sinusoidal shock 10 ms to IEC 60068-2-27
15 g
Altitude
Max. 2000 m
Terminal capacity main cableScrew terminalsSolid
1 x (0.75 – 16)
2 x (0.75 – 16) mm2
2 x (0.75 – 16) mm2
Terminal capacity main cableScrew terminalsFlexible with ferrule to DIN 46228
1 x (0.75 – 35)
2 x (0.75 – 25) mm2
2 x (0.75 – 25) mm2
Terminal capacity main cableScrew terminalsSolid or stranded
14 – 1 AWG
Terminal capacity main cableScrew terminalsStripping length
14 mm
Specified tightening torque for terminal screwsMain cable
3.3 Nm
Main conducting paths
Rated impulse withstand voltage [Uimp]
6000 V AC
Overvoltage category/pollution degree
III/3
Rated operational voltage [Ue ]
690 V AC
Rated uninterrupted current = rated operational current [Iu = Ie ]
40 A
Rated frequency [f]
50/60 Hz
Current heat loss (3 pole at operating temperature)
20.7 W
Impedance per pole
5 mΩ
Lifespan, mechanical [Operations]
0.03 x 106
Lifespan, electrical (AC-3 at 400 V)Lifespan, electrical [Operations]
0.03 x 106
Max. operating frequency
40 Ops/h
Short-circuit ratingDCShort-circuit rating
60 kA
Short-circuit ratingDCNotes
up to 250 V
Motor switching capacityAC-3 (up to 690V)
40 A
Motor switching capacityDC-5 (up to 250V)
40 (3 contacts in series) A
EATON PKZM4-40 EA
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