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PKZM0-4 072737 Y7-72737 EATON ELECTRIC Motor-protective circuit-breaker, 3p, Ir 2.5-4A, screw connection
PKZM0-4
072737
Y7-72737
EATON - MOELLER
1 Pcs.
Motor-protective circuit-breaker, 3p, Ir=2.5-4A, screw connection
Motor protector switch. 3 poles. Ir=2.5-4 A. Screw connection
Eaton Moeller® series PKZM0 Motor-protective circuit-breaker, 1.5 kW, 2.5 - 4 A, Screw terminals
Motor-protective circuit-breaker according to IEC/EN60947, 3 pole size PKZM0, with adjustable overload and non-delayed short-circuit release, phase failure sensitive, screw and snap fitting, with screw terminal, cap installation dimension 45mm, rated operating voltage Ue 690V, degree of protection IP20, finger proof according to VDE 0106 T. 100, accessories: auxiliary contact, voltage release, contact module, clip plate
Automation > Motor protection circuit-breaker
Circuit Breakers PKZ
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The Eaton Moeller PKZM0-4 is a motor-protective circuit-breaker designed to provide centralized manual switching, short-circuit protection, and thermal overload safeguarding for electric motors. These compact switching devices are widely deployed in industrial control panels to protect machinery against phase failure and excessive operating currents.
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- Product Name: Eaton Moeller® series PKZM0 Motor-protective circuit-breaker
- Catalog Number: 072737
- Model Code: PKZM0-4
- EAN: 4015080727378
- Product Length/Depth: 76 mm
- Product Height: 93 mm
- Product Width: 45 mm
- Product Weight: 0.284 kg
- Actuator type: Turn button
- Features: Phase-failure sensitivity (according to IEC/EN 60947-4-1, VDE 0660 Part 102)
- Functions: Phase failure sensitive Motor protection
- Number of poles: Three-pole
- Connection: Screw terminals
- Lifespan, electrical: 100,000 operations
- Lifespan, mechanical: 100,000 Operations
- Mounting position: Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.
More info
▲General specifications
| Product Name | Eaton Moeller® series PKZM0 Motor-protective circuit-breaker |
| Catalog Number | 072737 |
| Model Code | PKZM0-4 |
| EAN | 4015080727378 |
| Product Length/Depth | 76 mm |
| Product Height | 93 mm |
| Product Width | 45 mm |
| Product Weight | 0.284 kg |
| Certifications | CSA UL 60947-4-1 CE CSA Class No.: 3211-05 IEC/EN 60947-4-1 IEC/EN 60947 UL Category Control No.: NLRV CSA File No.: 165628 UL File No.: E36332 VDE 0660 UL CSA-C22.2 No. 60947-4-1-14 |
Features & Functions
| Actuator type | Turn button |
| Features | Phase-failure sensitivity (according to IEC/EN 60947-4-1, VDE 0660 Part 102) |
| Functions | Phase failure sensitive Motor protection |
| Number of poles | Three-pole |
General information
| Connection | Screw terminals |
| Explosion safety category for dust | PTB 10, ATEX 3013 Ex II (2) G [Ex eb Gb] [Ex db Gb] [Ex pxb Gb] Ex II (2) D [Ex tb Db] [Ex pxb Db] |
| Lifespan, electrical | 100,000 operations |
| Lifespan, mechanical | 100,000 Operations |
| Mounting position | Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height. |
| Operating frequency | 40 Operations/h |
| Overvoltage category | III |
| Pollution degree | 3 |
| Product category | Motor protective circuit breaker |
| Product category | Motor protective circuit breaker |
| Protection | Finger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274) |
| Rated impulse withstand voltage (Uimp) | 6000 V AC |
| Shock resistance | 25 g, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms |
| Suitable for | Branch circuit: Manual type E if used with terminal, or suitable for group installations, (UL/CSA) Also motors with efficiency class IE3 |
| Temperature compensation | -5 - 40 °C to IEC/EN 60947, VDE 0660 -25 - 55 °C, Operating range ≤ 0.25 %/K, residual error for T > 40° |
Climatic environmental conditions
| Altitude | Max. 2000 m |
| Ambient operating temperature - min | -25 °C |
| Ambient operating temperature - max | 55 °C |
| Ambient operating temperature (enclosed) - min | -25 °C |
| Ambient operating temperature (enclosed) - max | 40 °C |
| Ambient storage temperature - min | -40 °C |
| Ambient storage temperature - max | 80 °C |
| Climatic proofing | Damp heat, cyclic, to IEC 60068-2-30 Damp heat, constant, to IEC 60068-2-78 |
Terminal capacities
| Terminal capacity (solid) | 1 x (1 - 6) mm² 2 x (1 - 6) mm² |
| Terminal capacity (solid/stranded AWG) | 18 - 10 |
| Stripping length (main cable) | 10 mm |
| Tightening torque | 1.7 Nm, Screw terminals, Main cable 1 Nm, Screw terminals, Control circuit cables |
Electrical rating
| Rated frequency - min | 50 Hz |
| Rated frequency - max | 60 Hz |
| Rated operational power at AC-3e, 220/230 V, 50 Hz | 0.75 kW |
| Rated operational power at AC-3e, 380/400 V, 50 Hz | 1.5 kW |
| Rated operational voltage (Ue) - min | 690 V |
| Rated operational voltage (Ue) - max | 690 V |
| Rated uninterrupted current (Iu) | 4 A |
Short-circuit rating
| Rated short-circuit breaking capacity Icu at 400 V AC | 150 kA |
| Rated short-circuit breaking capacity Ics at 400 V AC | 150 kA |
| Rated short-circuit breaking capacity Icu at 440 V AC | 150 kA |
| Rated short-circuit breaking capacity Ics at 440 V AC | 150 kA |
| Rated short-circuit breaking capacity Icu at 500 V AC | 150 kA |
| Rated short-circuit breaking capacity Ics at 500 V AC | 150 kA |
| Rated short-circuit breaking capacity Icu at 690 V AC | 3 kA |
| Rated short-circuit breaking capacity Ics at 690 V AC | 3 kA |
| Short-circuit current | 60 kA DC, up to 250 V DC, Main conducting paths |
| Short-circuit current rating (group protection) | 50 kA, 600 V High Fault, Fuse, SCCR (UL/CSA) with 600 A, 600 V High Fault, Fuse, SCCR (UL/CSA) 50 kA, 600 V High Fault, CB, SCCR (UL/CSA) with 600 A, 600 V High Fault, CB, SCCR (UL/CSA) |
| Short-circuit current rating (type E) | 65 kA, 480 Y/277 V, SCCR (UL/CSA) 65 kA, 240 V, SCCR (UL/CSA) Accessories required BK25/3-PKZ0-E 50 kA, 600 Y/347 V, SCCR (UL/CSA) |
| Short-circuit release | Basic device fixed 15.5 x Iu ± 20% tolerance 62 A, Irm |
Switching capacity
| Switching capacity | 4 A, AC-3 up to 690 V 4 A (3 contacts in series), DC-5 up to 250V |
Motor rating
| Assigned motor power at 115/120 V, 60 Hz, 1-phase | 0.125 HP |
| Assigned motor power at 200/208 V, 60 Hz, 3-phase | 0.75 HP |
| Assigned motor power at 230/240 V, 60 Hz, 1-phase | 0.33 HP |
| Assigned motor power at 230/240 V, 60 Hz, 3-phase | 0.75 HP |
| Assigned motor power at 460/480 V, 60 Hz, 3-phase | 2 HP |
| Assigned motor power at 575/600 V, 60 Hz, 3-phase | 3 HP |
Trip blocks
| Overload release current setting - min | 2.5 A |
| Overload release current setting - max | 4 A |
| Tripping characteristic | Overload trigger: tripping class 10 A |
Design verification
| Equipment heat dissipation, current-dependent Pvid | 5.33 W |
| Heat dissipation capacity Pdiss | 0 W |
| Heat dissipation per pole, current-dependent Pvid | 1.78 W |
| Rated operational current for specified heat dissipation (In) | 4 A |
| Static heat dissipation, non-current-dependent Pvs | 0 W |
| 10.2.2 Corrosion resistance | Meets the product standard's requirements. |
| 10.2.3.1 Verification of thermal stability of enclosures | Meets the product standard's requirements. |
| 10.2.3.2 Verification of resistance of insulating materials to normal heat | Meets the product standard's requirements. |
| 10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects | Meets the product standard's requirements. |
| 10.2.4 Resistance to ultra-violet (UV) radiation | Meets the product standard's requirements. |
| 10.2.5 Lifting | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.2.6 Mechanical impact | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.2.7 Inscriptions | Meets the product standard's requirements. |
| 10.3 Degree of protection of assemblies | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.4 Clearances and creepage distances | Meets the product standard's requirements. |
| 10.5 Protection against electric shock | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.6 Incorporation of switching devices and components | Does not apply, since the entire switchgear needs to be evaluated. |
| 10.7 Internal electrical circuits and connections | Is the panel builder's responsibility. |
| 10.8 Connections for external conductors | Is the panel builder's responsibility. |
| 10.9.2 Power-frequency electric strength | Is the panel builder's responsibility. |
| 10.9.3 Impulse withstand voltage | Is the panel builder's responsibility. |
| 10.9.4 Testing of enclosures made of insulating material | Is the panel builder's responsibility. |
| 10.10 Temperature rise | The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices. |
| 10.11 Short-circuit rating | Is the panel builder's responsibility. The specifications for the switchgear must be observed. |
| 10.12 Electromagnetic compatibility | Is the panel builder's responsibility. The specifications for the switchgear must be observed. |
| 10.13 Mechanical function | The device meets the requirements, provided the information in the instruction leaflet (IL) is observed. |