It interrupts fault currents up to 3 kA AC per IEC 60934 and also carries UL1077 recognition, so it fits both IEC and North American control-panel specs. The F1 curve is a fast-acting characteristic with a narrow magnetic trip window, typically used to protect sensitive semiconductor loads or control transformers where standard B/C curves would allow too much let-through energy.
Mounts horizontally or vertically; the supply cord position is unrestricted.
Environmental and service life
Rated for ambient temperatures from -40 °C to +70 °C, with derating per the temperature-influence curve (30 °C at 85% rF; 60 °C at 20% rF). Halogen-free and silicon-free construction suits clean-room or electronics environments where outgassing is a concern. Typical mechanical service life is 6 000 operating cycles. Vibration-resistant per IEC 60068-2-6.