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PKZM4-50 222355 Y7-222355 EATON ELECTRIC Motor-protective circuit-breaker, 3p, Ir 40-50A, screw connection
PKZM4-50
222355
Y7-222355
EATON - MOELLER
1 Pcs.
Motor-protective circuit-breaker, 3p, Ir=40-50A, screw connection
PKZM4-50
Eaton Moeller® series PKZM4 Motor-protective circuit-breaker, Ir= 40 - 50 A, Screw terminals, Terminations: IP00 PKZM4-50
Motor-protective circuit-breaker according to IEC/EN60947, 3 pole size PKZM4, with adjustable overload and non-delayed short-circuit release, phase failure sensitive, screw and snap fitting, rated operating voltage Ue 690V, degree of protection IP20, finger proof according to VDE 0106 T. 100, accessories: auxiliary contact, voltage release
Automation > Motor protection circuit-breaker
Circuit Breakers PKZ
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Built for reliable performance in industrial environments, the Eaton Moeller PKZM4-50 motor-protective circuit-breaker provides comprehensive thermal and magnetic protection for high-capacity electric motors. Such devices prevent equipment burnouts and facilitate safe local motor control.
Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Product Name: Eaton Moeller® series PKZM4 Motor-protective circuit-breaker
- Catalog Number: 222355
- Model Code: PKZM4-50
- EAN: 4015082223557
- Product Length/Depth: 160 mm
- Product Height: 140 mm
- Product Width: 55 mm
- Product Weight: 1.136 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
- Explosion safety category for dust: ATEX dust-ex-protection, PTB 10, ATEX 3012, Ex II(2) G
- Lifespan, electrical: 30,000 operations (at 400V, AC-3)
- Lifespan, mechanical: 30,000 Operations (Main conducting paths)
More info
▲General specifications
| Product Name | Eaton Moeller® series PKZM4 Motor-protective circuit-breaker |
| Catalog Number | 222355 |
| Model Code | PKZM4-50 |
| EAN | 4015082223557 |
| Product Length/Depth | 160 mm |
| Product Height | 140 mm |
| Product Width | 55 mm |
| Product Weight | 1.136 kg |
| Certifications | UL Category Control No.: NLRV IEC/EN 60947-4-1 CSA IEC/EN 60947 CE CSA Class No.: 3211-05 CSA File No.: 165628 VDE 0660 CSA-C22.2 No. 60947-4-1-14 UL 60947-4-1 UL UL File No.: E36332 |
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 | ATEX dust-ex-protection, PTB 10, ATEX 3012, Ex II(2) G |
| Lifespan, electrical | 30,000 operations (at 400V, AC-3) |
| Lifespan, mechanical | 30,000 Operations (Main conducting paths) |
| 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 | 15 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 | -25 - 55 °C, Operating range ≤ 0.25 %/K, residual error for T > 40° -5 - 40 °C to IEC/EN 60947, VDE 0660 |
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 (0.75 - 16) mm², Main cables 2 x (0.75 - 16) mm² |
| Terminal capacity (solid/stranded AWG) | 14 - 2 |
| Stripping length (main cable) | 14 mm |
| Tightening torque | 3.3 Nm, Screw terminals, Main cable |
Electrical rating
| Rated frequency - min | 50 Hz |
| Rated frequency - max | 60 Hz |
| Rated operational power at AC-3e, 220/230 V, 50 Hz | 14 kW |
| Rated operational power at AC-3e, 380/400 V, 50 Hz | 25 kW |
| Rated operational voltage (Ue) - min | 690 V |
| Rated operational voltage (Ue) - max | 690 V |
| Rated uninterrupted current (Iu) | 50 A |
Short-circuit rating
| Rated short-circuit breaking capacity Icu at 400 V AC | 50 kA |
| Short-circuit current | 60 kA DC, up to 250 V DC, Main conducting paths |
| Short-circuit current rating (group protection) | 42 kA, 600 V High Fault, Fuse, SCCR (UL/CSA) 600 A, 600 V High Fault, max. Fuse, SCCR (UL/CSA) 42 kA, 600 V High Fault, CB, SCCR (UL/CSA) 600 A, 600 V High Fault, max. CB, SCCR (UL/CSA) |
| Short-circuit current rating (type E) | Accessories required BK50/3-PKZ4-E 50 kA, 480 Y/277 V, SCCR (UL/CSA) 50 kA, 240 V, SCCR (UL/CSA) |
| Short-circuit release | Basic device fixed 15.5 x Iu ± 20% tolerance 775 A, Irm |
Switching capacity
| Switching capacity | 50 A (3 contacts in series), DC-5 up to 250V 50 A, AC-3 up to 690 V |
Motor rating
| Assigned motor power at 230/240 V, 60 Hz, 3-phase | 15 HP |
| Assigned motor power at 460/480 V, 60 Hz, 3-phase | 30 HP |
| Assigned motor power at 575/600 V, 60 Hz, 3-phase | 40 HP |
Trip blocks
| Overload release current setting - min | 40 A |
| Overload release current setting - max | 50 A |
| Tripping characteristic | Overload trigger: tripping class 10 A |
Design verification
| Equipment heat dissipation, current-dependent Pvid | 24.6 W |
| Heat dissipation capacity Pdiss | 0 W |
| Heat dissipation per pole, current-dependent Pvid | 8.2 W |
| Rated operational current for specified heat dissipation (In) | 50 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. |