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The K6EL Ground Fault Relay is an economical, compact, and high-performance device designed for continuous monitoring and detection of ground faults in low-voltage circuits. It is specifically engineered to address insulation deterioration in electrical devices, ensuring enhanced safety and operational reliability.
The primary function of the K6EL is to detect ground faults, which occur when an electrical current deviates from its intended path and flows into the earth. This is crucial for preventing electrical shocks, equipment damage, and fires. The relay works in conjunction with Zero-Phase Current Transformers (ZCTs), which measure the current balance in a circuit. If an imbalance is detected, indicating a ground fault, the K6EL triggers an alarm or initiates a protective action, such as tripping a circuit breaker.
The K6EL offers various models with different operating times and reset methods to suit diverse application requirements. High-speed models provide rapid detection, while delayed models allow for a controlled response to transient faults, preventing nuisance tripping. Automatic-reset models simplify maintenance by automatically resetting once a ground fault is cleared, making them suitable for remote monitoring applications. Manual-reset models require an operator to physically reset the device after a fault, ensuring that the cause of the fault is investigated.
The device is designed with improved resistance to high-frequency noise, making it particularly reliable when used with inverter loads, which are known to generate such noise. This feature helps prevent false alarms and ensures stable operation in demanding industrial environments.
The K6EL is designed for ease of integration and operation. It is compatible with various through-type ZCTs, which are equipped with test terminals. These terminals allow for convenient operation tests of the Ground Fault Relay, ensuring its proper functioning without disrupting the main circuit. This feature simplifies commissioning and routine checks.
The relay offers switchable sensed current settings on certain models, allowing users to adjust the sensitivity of the device to match specific circuit requirements. For example, the K6EL-R50 can be switched between 50 mA and 150 mA, providing flexibility in fault detection thresholds. Similarly, some models offer switchable operating times, allowing users to select between different delay settings for fault response.
The K6EL is available in both manual-reset and automatic-reset configurations. Manual-reset models are ideal for applications where a physical inspection and reset are required after a fault, promoting a thorough investigation of the fault condition. Automatic-reset models are beneficial for remote installations or systems where continuous operation is critical, as they automatically clear the fault indication once the ground fault is resolved.
The device features clear indicators for power supply and ground fault status, providing immediate visual feedback on its operational state. A test button is integrated into the device, allowing users to confirm the internal circuits are operating normally.
Maintenance of the K6EL is straightforward, thanks to its design and integrated features. The compatibility with ZCTs equipped with test terminals allows for easy verification of the relay's operation. By using these test terminals, maintenance personnel can simulate a ground fault condition and confirm that the K6EL responds as expected, without needing to induce an actual fault in the system.
For manual-reset models, the reset button or the ability to cycle the control power supply allows for easy clearing of fault indications after a fault has been addressed. This ensures that the device is ready for subsequent fault detection.
The robust design of the K6EL, including its resistance to high-frequency noise and durable construction, contributes to its long-term reliability and reduces the need for frequent maintenance. The device's ability to operate within a wide range of temperatures and humidity further enhances its suitability for various industrial settings, minimizing environmental impact on its performance.
The clear model number structure and detailed ordering information simplify the selection of the correct relay for specific applications, ensuring that users can easily identify and procure the appropriate device for their needs. The availability of flush mounting adapters and front covers also facilitates neat and secure installation, contributing to overall system maintainability and aesthetics.
General| Operating Voltage | 12V DC, 24V DC |
|---|---|
| Output | Relay |
| Contact Form | SPDT |
| Coil Voltage | 12VDC, 24VDC |
| Coil Power Consumption | 0.9 W |
