San Jose, CA — NK Technologies is proud to announce the launch of the AGL-MAR Ground Fault Relay, a purpose-built ground fault detection relay designed specifically for marina and shore-power applications.

The AGL-MAR Series expands NK Technologies’ industry-leading ground fault protection portfolio, offering one of the largest aperture diameters in its class while maintaining a compact DIN-rail mountable footprint — ideal for modern electrical panels in marine environments.

Key Features & Benefits:

• Marina-Specific Ground Fault Protection — Designed to meet the unique demands of marina shore power systems, the AGL-MAR includes two jumper-selectable trip points for both 30 mA shore power and 100 mA branch circuit applications, providing flexible protection tailored to common marina electrical standards.
• Comprehensive Fault Monitoring — Monitors all current-carrying conductors in single- and three-phase systems to detect earth leakage and help prevent shock hazards and equipment damage.
• Reliable Output & Control — Features a dependable SPDT (Form C) relay with auto-reset, enabling seamless operation with breakers equipped with a 120 VAC shunt trip accessory.
• Robust, User-Friendly Design — With integral DIN rail mounting, finger-safe terminals, and a “push-to-test” button with LED status indication, the AGL-MAR is engineered for ease of installation, testing, and maintenance.
• Zero-Sum Operating Principle — Uses NK Technologies’ proven zero-sum magnetic balancing detection to sense even slight imbalances caused by leakage current — ensuring fast, reliable fault detection.
• Fast Response Time — Typical response times in the range of 50–150 ms deliver swift system protection when ground leakage is detected.
• Designed & Assembled in the USA, reinforcing NK Technologies’ commitment to quality and reliability.

About NK Technologies
NK Technologies has over 50 years of experience in delivering high-performance current sensing products for industrial and commercial applications. The company’s solutions are trusted for their accuracy, reliability, and innovation across global markets.