The KAEL AVK-63 / AVK-40 Adjustable Voltage & Current Protector Relay is an advanced protection device engineered to ensure the safety and stability of electrical systems. Designed for 220V AC applications, this relay provides comprehensive protection against voltage fluctuations and current overloads, helping prevent damage to sensitive equipment.
With a maximum current rating of 63A, this protector relay is suitable for a wide range of applications including homes, offices, industrial machinery, HVAC systems, and solar setups. It features adjustable overcurrent protection from 1A to 63A, allowing users to customize protection levels according to specific load requirements.
The device also offers adjustable high and low voltage cut-off ranges, ensuring protection against both voltage surges and drops. A dual LED display provides real-time monitoring of voltage and current, enabling users to easily track system performance and detect issues instantly.
Its DIN rail mounting design ensures quick and secure installation in distribution boards, while the compact structure saves space. Additionally, adjustable delay settings allow controlled startup and recovery, improving system stability and preventing frequent tripping.
Built with high-quality components and designed to meet safety standards, the KAEL AVK-63 / AVK-40 is a reliable choice for protecting electrical systems from unexpected faults and ensuring long-term operational efficiency.
Key Features:
63A maximum current capacity for heavy-duty applications
Adjustable overcurrent protection (1A–63A)
Overvoltage and undervoltage protection with customizable limits
Dual LED display for real-time voltage and current monitoring
Adjustable delay settings for startup and reset control
DIN rail mounting for easy installation
Suitable for residential, commercial, and industrial systems



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