HC
PKZM0-4
delivery time: 4 weeks
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
Ambient temperatureStorage - 40 - 80 °C
Ambient temperatureOpen -25 - +55 °C
Ambient temperatureEnclosed - 25 - 40 °C
Mounting position
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
25 g
Altitude Max. 2000 m
Terminal capacity main cable 1 x (1 - 6)
Screw terminals 2 x (1 - 6) mm2
Solid
Terminal capacity main cable 1 x (1 - 6)
Screw terminals 2 x (1 - 6) mm2
Flexible with ferrule to DIN 46228
Terminal capacity main cable 18 - 10 AWG
Screw terminals
Solid or stranded
Terminal capacity main cable 10 mm
Screw terminals
Stripping length
Specified tightening torque for terminal screwsMain cable 1.7 Nm
Specified tightening torque for terminal screwsControl circuit cables
1 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 ] 4 A
Rated frequency [f] 40 - 60 Hz
Current heat loss (3 pole at operating temperature) 5.33 W
Impedance per pole 110 mΩ
Lifespan, mechanical [Operations] 0.1 x 106
Lifespan, electrical (AC-3 at 400 V)Lifespan, electrical [Operations]
0.1 x 106
Max. operating frequency 40 Ops/h
Short-circuit rating 60 kA
DC
Short-circuit rating
Short-circuit rating up to 250 V
DC
Notes
Motor switching capacityAC-3 (up to 690V)
4 A
Motor switching capacity 4 (3 contacts in series) A
DC-5 (up to 250V)
Trip blocks
Temperature compensationto IEC/EN 60947, VDE 0660 - 5…40 °C
Temperature compensationOperating range - 25…55 °C
Temperature compensation residual error for T > 40 °C ≦ 0.25 %/K
Setting range of overload releases 0.6 - 1 x Iu
short-circuit release Basic device, fixed: 15.5 x Iu
Short-circuit release tolerance ± 20%
Phase-failure sensitivity IEC/EN 60947-4-1, VDE 0660 Part 102
Rating data for approved types
Switching capacity 0.75 HP
Maximum motor rating
Three-phase
200 V
208 V
Switching capacity 0.75 HP
Maximum motor rating
Three-phase
230 V
240 V
Switching capacity 2 HP
Maximum motor rating
Three-phase
460 V
480 V
Switching capacity 3 HP
Maximum motor rating
Three-phase
575 V
600 V
Switching capacity 0.125 HP
Maximum motor rating
Single-phase
115 V
120 V
Switching capacity 0.33 HP
Maximum motor rating
Single-phase
230 V
240 V
Short Circuit Current Rating, type E 65 kA
240 V
Short Circuit Current Rating, typeE 65 kA
480 Y / 277 V
Short Circuit Current Rating, type E 50 kA
600 Y / 347 V
Short Circuit Current Rating, type EAccessories required
BK25/3-PKZ0-E
Short Circuit Current Rating, group protection 50 kA
600 V High Fault
SCCR (fuse)
Short Circuit Current Rating, group protection600 V High Faultmax. Fuse
600 A
Short Circuit Current Rating, group protection600 V High FaultSCCR (CB)
50 kA
Short Circuit Current Rating, group protection600 V High Faultmax. CB
600 A
