FAZ product selection B curve (3–5X In current rating). Designed for resistive or slightly inductive loads. Response time of instantaneous trip: 3–5X In current rating. UL recognized and CSA Certified as supplementary protectors. For international and domestic use (conform to IEC 60947-2). UL file number 177451. Suitable for applications where protection against low-level short circuit faults in control wiring is desired. Instantaneous trip is 3–5X continuous rating of device (In). Applications include PLC wiring, business equipment, lighting, appliances and some motors. Low magnetic trip point.