SKU: Eaton-286087
Motor-protective circuit-breaker, 660 V 690 V: 7.5 kW, Ir= 6.3 - 10 A, IP20
Pre-assembled motor-protective circuit-breaker in enclosure as complete device with shorter unpacking times
| Product range | PKZM0 motor protective circuit-breakers up to 32 A |
| Basic function | Motor protection |
| Notes | with operating membrane |
| Connection technique | |
| Contact sequence | Also suitable for motors with efficiency class IE3. IE3-ready devices are identified by the logo on their packaging. |
| AC-3 >220 V 230 V 240 V [P] |
Screw terminals |
| AC-3 >380 V 400 V 415 V [P] |
|
| AC-3 >440 V [P] |
|
| AC-3 >500 V [P] |
2.2 kW |
| AC-3 >660 V 690 V [P] |
4 kW |
| Rated uninterrupted current [Iu] | 4 kW |
| Overload releases |
4 kW |
| short-circuit release >max. [Irm ] |
7.5 kW |
| Phase-failure sensitivity | 10 A |
| Notes | |
| Standards | 6.3 - 10 A |
| Ambient temperature >Storage |
155 A |
| Ambient temperature >Enclosed |
IEC/EN 60947-4-1, VDE 0660 Part 102 |
| Direction of incoming supply | Overload trigger: tripping class 10 A Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height. |
| Degree of protection >Device |
|
| Degree of protection >Enclosures |
IEC/EN 60947, VDE 0660 |
| Protection against direct contact when actuated from front (EN 50274) | - 40 - 80 °C |
| Mechanical shock resistance half-sinusoidal shock 10 ms to IEC 60068-2-27 | - 25 - 40 °C |
| Altitude | as required |
| Terminal capacity main cable >Screw terminals >Solid |
IP20 |
| Terminal capacity main cable >Screw terminals >Flexible with ferrule to DIN 46228 |
IP65 |
| Terminal capacity main cable >Screw terminals >Solid or stranded |
Finger and back-of-hand proof |
| Terminal capacity main cable >Screw terminals >Stripping length |
25 g |
| Specified tightening torque for terminal screws >Main cable |
Max. 2000 m |
| Rated impulse withstand voltage [Uimp] | 1 x (1 - 6) 2 x (1 - 6) mm2 |
| Overvoltage category/pollution degree | 1 x (1 - 6) 2 x (1 - 6) mm2 |
| Rated operational voltage [Ue ] | 18 - 10 AWG |
| Rated uninterrupted current = rated operational current [Iu = Ie ] | 10 mm |
| Rated frequency [f] | 1.7 Nm |
| Current heat loss (3 pole at operating temperature) | |
| Impedance per pole | 6000 V AC |
| Lifespan, mechanical [Operations] | III/3 |
| Lifespan, electrical (AC-3 at 400 V) >Lifespan, electrical [Operations] |
690 V AC |
| Max. operating frequency | 10 A |
| Short-circuit rating >DC >Short-circuit rating |
40 - 60 Hz |
| Short-circuit rating >DC >Notes |
6.48 W |
| Motor switching capacity >AC-3 (up to 690V) |
21 mΩ |
| Motor switching capacity >DC-5 (up to 250V) |
0.05 x 106 |
| Setting range of overload releases | 0.05 x 106 |
| short-circuit release | 25 Ops/h |
| Short-circuit release tolerance | 60 kA |
| Phase-failure sensitivity | up to 250 V |
| Short Circuit Current Rating, group protection >600 V High Fault >SCCR (fuse) |
10 A |
| Short Circuit Current Rating, group protection >600 V High Fault >max. Fuse |
10 (3 contacts in series) A |
| Short Circuit Current Rating, group protection >600 V High Fault >SCCR (CB) |
|
| Short Circuit Current Rating, group protection >600 V High Fault >max. CB |
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] | 30 kA |
| 10.2 Strength of materials and parts >10.2.2 Corrosion resistance |
600 A |
| 10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures |
30 kA |
| 10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat |
600 A |
| 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 |
|
| 10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation |
10 A |
| 10.2 Strength of materials and parts >10.2.5 Lifting |
2.16 W |
| 10.2 Strength of materials and parts >10.2.6 Mechanical impact |
6.48 W |
| 10.2 Strength of materials and parts >10.2.7 Inscriptions |
0 W |
| 10.3 Degree of protection of ASSEMBLIES | 0 W |
| 10.4 Clearances and creepage distances | |
| 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 | Meets the product standard´s requirements. |
| 10.8 Connections for external conductors | Meets the product standard´s requirements. |
| 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 |
Does not apply, since the entire switchgear needs to be evaluated. |
| 10.10 Temperature rise | Meets the product standard´s requirements. |
| 10.11 Short-circuit rating | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.12 Electromagnetic compatibility | Meets the product standard´s requirements. |
| 10.13 Mechanical function | Does not apply, since the entire switchgear needs to be evaluated. |
| Overload release current setting | Does not apply, since the entire switchgear needs to be evaluated. |
| Adjustment range undelayed short-circuit release | Is the panel builder´s responsibility. |
| With thermal protection | Is the panel builder´s responsibility. |
| Phase failure sensitive | Is the panel builder´s responsibility. |
| Switch off technique | Is the panel builder´s responsibility. |
| Rated operating voltage | Is the panel builder´s responsibility. |
| Rated permanent current Iu | The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices. |
| Rated operation power at AC-3, 230 V | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
| Rated operation power at AC-3, 400 V | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
| Type of electrical connection of main circuit | The device meets the requirements, provided the information in the instruction leaflet (IL) is observed. |
| Type of control element | |
| Device construction | |
| With integrated auxiliary switch | 6.3 - 10 A |
| With integrated under voltage release | 155 - 155 A |
| Number of poles | Yes |
| Rated short-circuit breaking capacity lcu at 400 V, AC | Yes |
| Degree of protection (IP) | Thermomagnetic |
| Height | 690 - 690 V |
| Width | 10 A |
| Depth | 2.2 kW |
| Specially designed for North America | 4 kW |
| Characteristic curve | Screw connection |
| Characteristic curve | Push button |
| Characteristic curve | Complete device in housing |
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