Product range |
PKE motor protective circuit-breakers with electronic wide-range overload protection up to 36 A |
Basic function |
Motor protection Motor protection for heavy starting duty |
Single unit/Complete unit |
Complete device with standard knob |
Notes |
|
Connection technique |
Also suitable for motors with efficiency class IE3. IE3-ready devices are identified by the logo on their packaging. |
Setting range of overload releases [Ir] |
Screw terminals |
Function |
8 - 36 A |
Rated uninterrupted current = rated operational current [Iu = Ie
] |
With overload release |
AC-3 >220 V 230 V 240 V [P] |
36 A |
AC-3 >380 V 400 V 415 V [P] |
|
AC-3 >440 V [P] |
7.5 kW |
AC-3 >500 V [P] |
18.5 kW |
AC-3 >660 V 690 V [P] |
18.5 kW |
Instructions |
22 kW |
Standards |
30 kW |
Climatic proofing |
For conductor cross-sections ≧ 6 mm², use BK25/3-PKZ0 on the incoming side and BK25/3-PKZ0-U on the secondary side. |
Ambient temperature >Open |
|
Ambient temperature |
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 |
-25 - +55 °C |
Degree of protection >Device |
Observe the conditions of use |
Degree of protection >Terminations |
|
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 |
25 g |
Terminal capacity main cable >Screw terminals >Solid or stranded |
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] |
14 - 10 AWG |
Overvoltage category/pollution degree |
1.7 Nm |
Rated operational voltage [Ue
] |
1 Nm |
Rated uninterrupted current = rated operational current [Iu = Ie
] |
|
Rated frequency [f] |
6000 V AC |
Lifespan, mechanical [Operations] |
III/3 |
Lifespan, electrical (AC-3 at 400 V) >Lifespan, electrical [Operations] |
690 V AC |
Max. operating frequency |
36 A |
Motor switching capacity >AC-3 (up to 690V) |
40 - 60 Hz |
AC-4 cycle operation >Minimum current flow times |
0.05 x 106 |
AC-4 cycle operation >Minimum cut-out periods |
0.05 x 106
|
AC-4 cycle operation >Note |
60 Ops/h |
Temperature compensation residual error for T > 40 °C |
36 A |
short-circuit release |
500 (Class 5) 700 (Class 10) 900 (Class 15) 1000 (Class 20) ms |
Short-circuit release tolerance |
500 ms |
Phase-failure sensitivity |
In AC-4 cycle operation, going below the minimum current flow time can cause overheating of the load (motor). For all combinations with an SWD activation, you need not adhere to the minimum current flow times and minimum cut-out periods. ms |
Rated operational current for specified heat dissipation [In] |
|
Heat dissipation per pole, current-dependent [Pvid] |
±55 (Arbeitsbereich) |
Equipment heat dissipation, current-dependent [Pvid] |
Basic device, fixed: 496 A Trip block, fixed: 496 A delayed approx. 60 ms |
Static heat dissipation, non-current-dependent [Pvs] |
± 20% |
Heat dissipation capacity [Pdiss] |
yes |
Operating ambient temperature min. |
|
Operating ambient temperature max. |
36 A |
10.2 Strength of materials and parts >10.2.2 Corrosion resistance |
4.8 W |
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures |
14.4 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. |
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 |
The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices. |
Switch off technique |
Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
Rated operating voltage |
Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
Rated permanent current Iu |
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed. |
Rated operation power at AC-3, 230 V |
|
Rated operation power at AC-3, 400 V |
|
Type of electrical connection of main circuit |
36 - 36 A |
Type of control element |
496 - 496 A |
Device construction |
Yes |
With integrated auxiliary switch |
Yes |
With integrated under voltage release |
Electronic |
Number of poles |
690 - 690 V |
Rated short-circuit breaking capacity lcu at 400 V, AC |
36 A |
Degree of protection (IP) |
7.5 kW |
Height |
18.5 kW |
Width |
Screw connection |
Depth |
Turn button |
Characteristic curve |
Built-in device fixed built-in technique |
Characteristic curve |
No |
Characteristic curve |
No |