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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PKZM0-0,25 |
| Alternative Part Number | PKZM0025 |
| Manufacturer | Moeller |
| Rated Permanent Current (Iu) | 0.25 A |
| Rated Voltage | 690 V |
| Rated Short-Circuit Breaking Capacity (Icu) at 400 V, 50 Hz | 150 kA |
| Overload Release Current Setting | 0.25 - 0.25 A |
| Adjustment Range Short-Term Delayed Short-Circuit Release | 0 - 0 A |
| Adjustment Range Undelayed Short-Circuit Release | 4.25 - 4.25 A |
| Integrated Earth Fault Protection | No |
| Type of Electrical Connection of Main Circuit | Screw Connection |
| Device Construction | Other |
| Suitable for DIN Rail Mounting | Yes |
| DIN Rail Mounting Optional | Yes |
| Number of Auxiliary Contacts as Normally Closed | 0 |
| Number of Auxiliary Contacts as Normally Open | 0 |
| Number of Auxiliary Contacts as Change-Over Contact | 0 |
| With Switched-Off Indicator | Yes |
| With Under Voltage Release | No |
| Number of Poles | 3 |
| Position of Connection for Main Current Circuit | Other |
| Type of Control Element | Turn Button |
| Complete Device with Protection Unit | Yes |
| Motor Drive Integrated | No |
| Motor Drive Optional | No |
| Degree of Protection (IP) | IP20 |
| Approvals | UL listed, CSA certified |
| Designed for North America | No |
| Operating Ambient Temperature Min. | -25 °C |
| Operating Ambient Temperature Max. | 55 °C |
| Electrical Life | 100,000 Operations at 400 V, AC-3 |
| Mechanical Life | 100,000 Operations |
| Mounting Position | As required |
| Degree of Protection | Device: IP20, Terminations: IP00 |
| Shock Resistance | 25 g, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 10 ms |
| Altitude | Max. 2000 m |
| Pollution Degree | 3 |
| Rated Impulse Withstand Voltage (Uimp) | 6000 V AC |
| Overvoltage Category/Pollution Degree | III/3 |
The Moeller PKZM0-0,25 is a highly reliable and robust motor-protective circuit breaker designed to offer efficient protection for motors in industrial settings. This compact device is engineered to safeguard against overloads and short-circuits, ensuring the longevity and safety of your motor equipment. With a rated operational voltage of up to 690V and a rated uninterrupted current of 0.25A, it is suitable for a wide range of applications.
The PKZM0-0,25 features a thermomagnetic switch-off technique, providing both thermal and magnetic trip characteristics to protect against overload and short-circuit conditions. It is equipped with a three-pole design and has an adjustable overload release current setting ranging from 0.16 to 0.25A, allowing for precise protection settings tailored to your specific motor requirements.
This circuit breaker is designed with a built-in device fixed built-in technique, ensuring a secure and stable installation. The ease of use is further enhanced by its turn button control element, which allows for simple manual operation. The PKZM0-0,25 is also phase failure sensitive, adding an additional layer of protection by detecting any phase imbalance that could potentially cause motor damage.
Constructed to meet rigorous standards, including IEC/EN 60947-4-1, the PKZM0-0,25 is a testament to quality and reliability. Its robust design is complemented by a degree of protection rated at IP20, providing a basic level of protection against the ingress of solid objects.
The Moeller PKZM0-0,25 motor-protective circuit breaker is an essential component for any industrial control panel, offering dependable protection to keep your motor-driven processes running smoothly and efficiently.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this circuit breaker?
This circuit breaker is designed to protect motors from overloads and short circuits, ensuring safe operation and preventing damage to the motor.
Can this circuit breaker be used with high-efficiency motors?
Yes, it is suitable for use with motors of efficiency class IE3, making it a versatile choice for modern motor protection.
What is the rated operational voltage for this circuit breaker?
The rated operational voltage for the PKZM0-0,25 is 690V AC, which is suitable for a wide range of industrial applications.
Is this circuit breaker phase-failure sensitive?
Yes, the circuit breaker is phase-failure sensitive, which means it can detect if one of the phases in the motor supply is lost and will trip to protect the motor.
What is the temperature compensation range for this device?
The temperature compensation range for this circuit breaker is from -5°C to 40°C, ensuring reliable operation within this temperature range.
What type of connections does this circuit breaker support?
The circuit breaker supports screw connection for the main circuit, providing a secure and reliable connection for the conductors.
What is the degree of protection offered by this circuit breaker?
The circuit breaker has a degree of protection of IP20, which means it is protected against solid objects larger than 12.5mm but not against water.
How many poles does this circuit breaker have?
The circuit breaker is a three-pole device, which means it can protect three-phase motor circuits.
What is the rated short-circuit breaking capacity of this circuit breaker?
The rated short-circuit breaking capacity at 400V AC is 150kA, indicating its ability to safely interrupt high fault currents.
Can this circuit breaker be mounted on a DIN rail?
Yes, it is suitable for mounting on a DIN rail, which is a standard type of rail used for mounting industrial control equipment inside equipment racks.
Part conditions explained
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
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