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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PKZM0-6,3 |
| Alternative Part Number | PKZM063 |
| Manufacturer | Klockner-Moeller |
| Rated Operational Voltage (Ue) | 220÷690VAC |
| Rated Permanent Current (Iu) | 6.3A |
| Rated Short-Circuit Breaking Capacity (Icu) at 400V, 50Hz | 150kA |
| Overload Release Current Setting | 6.3 - 6.3A |
| Adjustment Range Short-Term Delayed Short-Circuit Release | 0 - 0A |
| Adjustment Range Undelayed Short-Circuit Release | 141 - 141A |
| Motor Rating AC-3 | 220V: 1.1kW, 380V/400V/415V: 2.2kW, 440V: 3kW, 500V: 3kW, 660V/690V: 4kW |
| Number of Poles | 3 |
| Type of Control Element | Turn Button |
| Degree of Protection (IP) | IP20 |
| Connection Technique | Screw Connection |
| Suitable for DIN Rail Mounting | Yes |
| DIN Rail Mounting Optional | Yes |
| Phase-Failure Sensitivity | Compliant with IEC/EN 60947-4-1, VDE 0660 Part 102 |
| Ambient Temperature Range | Storage: -40°C to 80°C, Open: -25°C to +55°C, Enclosed: -25°C to 40°C |
| Mechanical Shock Resistance | Half-sinusoidal shock 10 ms to IEC 60068-2-27: 25g |
| Altitude | Max. 2000m |
| Standards | IEC/EN 60947, VDE 0660, UL, CSA |
The Klockner-Moeller PKZM0-6,3 is a robust motor-protective circuit breaker designed to offer efficient protection for motors up to 2.2 kW, suitable for a voltage range of 220 to 690 VAC. This device is engineered to safeguard against overloads and short-circuits, ensuring the longevity and reliability of your motor applications. With a rated uninterrupted current of 6.3 A and a setting range for overload releases from 4 to 6.3 A, it provides precise protection tailored to your motor's requirements.
Constructed with durability in mind, the PKZM0-6,3 features a compact design that allows for easy integration into various industrial settings. The screw terminal connection technique ensures a secure and stable installation, while the device's compliance with IEC/EN 60947, VDE 0660, UL, and CSA standards reflects its high quality and safety.
The PKZM0-6,3 is also equipped with phase-failure sensitivity, conforming to IEC/EN 60947-4-1, VDE 0660 Part 102, which adds an extra layer of protection by detecting any phase imbalance that could potentially harm the motor. Additionally, the circuit breaker is designed to be mounted on a DIN rail, providing a straightforward and flexible installation process.
This motor-protective circuit breaker is an essential component for a wide range of industrial applications, offering reliable protection and peace of mind. Whether you're operating in manufacturing, automation, or any other sector that relies on electric motors, the Klockner-Moeller PKZM0-6,3 is a dependable choice for motor circuit protection.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What is the function of this circuit breaker?
The circuit breaker is designed to protect an electric motor from damage caused by overloads, short circuits, and phase failure. It provides safe and reliable disconnection in the event of a fault, ensuring the protection of the motor and associated equipment.
Can this circuit breaker be used with motors of efficiency class IE3?
Yes, this motor-protective circuit breaker is suitable for use with motors of efficiency class IE3, providing appropriate protection for high-efficiency motors.
What is the rated operational voltage for this device?
The rated operational voltage (Ue) for this device is 690V AC, making it suitable for a range of industrial applications.
What is the rated uninterrupted current for this circuit breaker?
The rated uninterrupted current, also known as the rated operational current (Iu = Ie), for this circuit breaker is 6.3A.
What are the mounting requirements for this circuit breaker?
This circuit breaker can be mounted in any position, with the direction of incoming supply as required. It is designed to be snapped onto IEC/EN 60715 top-hat rail with 7.5 or 15 mm height.
What is the degree of protection provided by this circuit breaker?
The circuit breaker provides a degree of protection of IP20 for the device, ensuring protection against solid objects larger than 12mm and not against water.
What are the tripping characteristics of this circuit breaker?
The circuit breaker features thermomagnetic tripping characteristics, which means it provides both thermal protection for overloads and magnetic protection for short-circuit conditions.
Is this circuit breaker phase-failure sensitive?
Yes, the circuit breaker is phase-failure sensitive, complying with IEC/EN 60947-4-1, VDE 0660 Part 102 standards, which means it can detect and respond to a loss of phase, providing additional motor protection.
What is the short-circuit rating of this device?
The short-circuit rating of this device is 60kA for DC up to 250V, which indicates its ability to safely interrupt a short-circuit current without damage.
How is the temperature compensation feature implemented in this circuit breaker?
The circuit breaker includes temperature compensation according to IEC/EN 60947 and VDE 0660, which allows it to operate reliably over a temperature range of -5°C to 40°C, with a residual error for temperatures above 40°C of less than or equal to 0.25% per Kelvin.
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
