Eaton Undervoltage Release - PKZ - 073135 - 230V
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Tameson UKEaton Industries Pkz Undervoltage Release 230V | 73135
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Product Information
Full details
This Eaton Industries PKZ Undervoltage Coil (073135) is designed for motor protection applications, offering reliable operation with its 230V AC coil voltage. It is ideal for integration with motor safety switches and PKZ0 series modular contactors. A key benefit is its role in ensuring safety by preventing unintended motor restarts after power loss. However, users must verify coil voltage compatibility before installation.
All features
| Series | PKZ |
|---|---|
| Model Part Number | 073135 |
| Brand | Eaton |
Extended Product Information
FAQs
What is the purpose of an undervoltage coil?
An undervoltage coil is a safety device that automatically releases a contactor or switch when the supply voltage drops below a certain level, preventing equipment from restarting unexpectedly after a power interruption.
What is the operating voltage for this Eaton undervoltage coil?
This model operates with a nominal coil voltage of 230V at 50Hz AC.
Can this undervoltage coil be used with contactors other than the Eaton PKZ0 series?
While it is designed for the PKZ0 series, its functionality is based on voltage release. However, physical mounting and precise electrical integration might be specific to the PKZ0 series for optimal performance and safety.
How do I reset the system after the undervoltage coil has tripped?
After the voltage returns to normal, the contactor or switch will typically need to be manually reset or re-energized according to the specific motor control circuit design.
What maintenance is required for this component?
Regular visual inspection of connections and keeping the unit clean from dust and debris is recommended. Ensure it operates within its specified environmental limits.
Does this coil protect against overvoltage?
No, this is an undervoltage release and only protects against the dangers associated with low or lost voltage, not overvoltage.
Troubleshooting
Coil does not trip when voltage drops
Verify the coil is correctly wired to the 230V AC, 50Hz supply and that the supply is indeed dropping below the release threshold. Check for loose connections.
Coil trips prematurely or erratically
Ensure the supplied voltage is stable and within the 230V AC, 50Hz specification. Check for voltage fluctuations or harmonics in the power supply. Confirm correct wiring.
Device does not engage/hold when power is present
Confirm the control circuit is energized with the correct voltage (230V AC, 50Hz) and that the coil is properly seated within its intended contactor or switch.
Physical damage observed
Discontinue use immediately and replace the unit. Do not attempt to repair damaged components.
Pros and Cons
Pros
- Enhances electrical system safety by preventing unexpected motor restarts.
- Reliable performance with a specified coil voltage.
- Easy integration with compatible Eaton PKZ0 components.
- Durable construction suitable for industrial environments.
- Facilitates compliance with safety regulations for motor control.
Cons
- Requires a specific coil voltage (230V AC at 50Hz); not universally compatible.
- Primarily designed for motor protection, limiting its application scope.
- Installation requires electrical knowledge and adherence to safety standards.
- Does not offer overvoltage protection.
Setup, Compatibility & Care
Setup:
- De-energize Circuit: Ensure the power supply to the motor control system is completely de-energized before beginning.
- Mounting: Mount the undervoltage coil onto a compatible Eaton PKZ0 series modular contactor or motor safety switch.
- Electrical Connections: Connect the coil terminals to the appropriate 230V AC, 50Hz power source using the screw connections. Ensure all connections are secure.
- System Integration: Integrate the assembly into the overall motor control circuit as per the specific application's wiring diagram.
Compatibility:
- Series: Designed for the Eaton PKZ0 series.
- Voltage: Requires a 230V AC, 50Hz power supply.
- Application: Suitable for motor protection and safety applications.
Care:
- Cleaning: Keep the unit clean and free from dust and debris. Use a dry or slightly damp cloth. Avoid solvents or abrasive cleaners.
- Inspection: Periodically inspect connections for tightness and signs of wear or damage.
- Environment: Operate within the specified environmental conditions (temperature, humidity) to ensure longevity.