EATON PKZM4-63 EA MOTOR – PROTECTIVE CIRCUIT – BREAKER

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Motor – Protective Circuit – Breaker , Ir= 55 – 65 A, Screw terminals, Terminations: IP00

SPECIFICATIONS 

EC/EN 60947, VDE 0660,UL, CSA

Climatic proofingDamp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30

Ambient temperatureStorage– 40 – 80 °C

Ambient temperatureOpen-25 – +55 °C

Ambient temperatureEnclosed– 25 – 40 °C

Mounting position

Direction of incoming supplyas required

Degree of protectionDeviceIP20

Degree of protectionTerminationsIP00

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 60068-2-2715 g

AltitudeMax. 2000 m

Terminal capacity main cableScrew terminalsSolid1 x (0.75 – 16)
2 x (0.75 – 16) mm2

Terminal capacity main cableScrew terminalsFlexible with ferrule to DIN 462281 x (0.75 – 35)
2 x (0.75 – 25) mm2

Terminal capacity main cableScrew terminalsSolid or stranded14 – 1 AWG

Terminal capacity main cableScrew terminalsStripping length14 mm

Specified tightening torque for terminal screwsMain cable3.3 Nm

 

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]
18.5 kW
AC-3380 V 400 V 415 V [P]
34 kW
AC-3440 V [P]
37 kW
AC-3500 V [P]
45 kW
AC-3660 V 690 V [P]
55 kW
Rated uninterrupted current [Iu]
65 A
Setting range
 
Overload releases [Ir ]
55 – 65 A
short-circuit release [Irm ]max. [Irm ]
1008 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.

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