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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PKZM4-63 |
| Alternative Part Number | PKZM463 |
| Manufacturer | Moeller |
| Product Type | Motor Protection Circuit Breaker |
| Rated Operational Voltage (Ue) | 690 V AC |
| Adjustable Current Range | 55 to 65 A |
| Number of Poles | Three-pole |
| Switch-off Technique | Thermomagnetic |
| Rated Frequency | 40 - 60 Hz |
| Degree of Protection | IP20 for device, IP00 for terminations |
| Rated Impulse Withstand Voltage | 6000 V AC |
| Overvoltage Category/Pollution Degree | III/3 |
| Mechanical Lifespan | 30,000 Operations |
| Electrical Lifespan (AC-3 at 400 V) | 30,000 Operations |
| Maximum Operating Frequency | 40 Operations/h |
| Short-circuit Rating | 60 kA DC up to 250 V |
| Phase-failure Sensitivity | According to IEC/EN 60947-4-1, VDE 0660 Part 102 |
| Temperature Compensation | -5 to 40 °C to IEC/EN 60947, VDE 0660 |
| Operating Temperature Range | -25 to 55 °C |
| Mounting Position | Can be snapped on to IEC/EN 60715 top-hat rail with 7.5 or 15 mm height |
| Terminal Capacity | Screw terminals for solid cables 1 x (1 - 50) mm², flexible with ferrule 1 x (1 - 35) mm² |
| Tightening Torque for Terminal Screws | 3.3 Nm |
| Height | 140 mm |
| Width | 55 mm |
| Depth | 175 mm |
| Certifications | CSA Class No.: 3211-05, VDE 0660, IEC/EN 60947-4-1, CE, IEC/EN 60947, UL File No.: E36332 |
The Moeller PKZM4-63 Motor Protection Circuit Breaker is a robust and reliable solution designed to safeguard three-phase motors in industrial settings. Engineered to handle a voltage of up to 690 V and an adjustable current range of 55 to 65 A, this circuit breaker is an essential component for motor control and protection. Its screw terminal connections ensure secure and stable wiring, while the compact design allows for efficient use of space within control panels.
The PKZM4-63 is equipped with phase-failure sensitivity, adhering to IEC/EN 60947-4-1 and VDE 0660 Part 102 standards, which ensures the motor is protected even under imbalanced voltage conditions. The device's thermomagnetic trip mechanism provides both thermal and short-circuit protection, ensuring a quick response to a variety of fault conditions.
This motor protection circuit breaker is also characterised by its manual operation, featuring a turn button actuator that can be locked to prevent unintended changes. It is designed to be easily mounted onto a DIN rail, facilitating straightforward installation and maintenance.
With certifications such as CSA Class No.: 3211-05, VDE 0660, IEC/EN 60947-4-1, CE, IEC/EN 60947, and UL File No.: E36332, the Moeller PKZM4-63 meets rigorous international standards for safety and performance. Its robust construction and reliable operation make it a preferred choice for professionals seeking to enhance the operational longevity and safety of their motor-driven applications.
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Frequently Asked Questions
What is the voltage rating for this motor protection circuit breaker?
The motor protection circuit breaker is rated for 3 Phase, 690 V applications.
Can this device be used with IE3 efficiency class motors?
Yes, this motor protection circuit breaker is suitable for use with motors of efficiency class IE3.
What is the current adjustment range of this circuit breaker?
The current adjustment range for this circuit breaker is between 55 to 65 A.
How is this circuit breaker mounted?
The circuit breaker can be snapped onto IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with screw terminals.
Is the device sensitive to phase failure?
Yes, the circuit breaker has phase-failure sensitivity in accordance with IEC/EN 60947-4-1, VDE 0660 Part 102.
What is the degree of protection offered by the terminals?
The terminals have a degree of protection of IP00.
What is the short-circuit rating of this circuit breaker?
The short-circuit rating is 60 kA up to 250 V.
Does this circuit breaker have temperature compensation?
Yes, it features temperature compensation from -5 to 40°C according to IEC/EN 60947, VDE 0660.
What certifications does this motor protection circuit breaker hold?
It holds certifications from CSA, VDE 0660, IEC/EN 60947-4-1, CE, UL, and others as per the datasheet.
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