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This E-T-A 413-K54-FN2-50A is a high-performance, single-pole thermal circuit breaker. It utilizes a tease-free, trip-free, snap-action mechanism with manual push/pull actuation. The breaker is designed for panel mounting and features an indicator band on the push button to clearly show the tripped/off position.
Key electrical specifications include a current rating of 50A, with a broader range of 30-55A for FN2 versions and 30-90A for LN2/N2 versions. It is rated for 28VDC and 115VAC (400 Hz) operation. The interrupting capacity is 6,000A at both Icn and UL 1077 standards.
Environmental and mechanical robustness are ensured through compliance with standards for vibration, shock, corrosion, and humidity. The operating area has an IP40 degree of protection, while the terminal area is IP00. Typical applications include extra-low voltage wiring systems on vehicles for land, sea, and air, as well as defense equipment and battery-powered machines.
With a typical operating life of 2,000 operations at rated current, this circuit breaker is suitable for demanding environments. Its operating temperature range is -55°C to +75°C.
50A.
28VDC standard; 115VAC (400 Hz) available on request.
6000A (UL 1077).
-55 to +75°C.
Panel mount.
Push-pull plunger.
2,000 operations at rated current.