The ACH-20 is a 20A fast-acting aircraft limiter designed to isolate faults or grounds in aircraft electrical systems. It is rated for 208Vac or 125Vdc and has interrupting ratings up to 4200A at 208Vac and 6000A at 125Vdc. This limiter features a silicone body for reliable performance, silver-plated blade terminals, and a spring-activated pin that extends from the body to provide visual indication when open. Designed to meet the rigorous requirements of high-performance aircraft, the ACH-20 ensures reliable system protection under severe conditions.