Eaton Bussmann FNQ-3 is a low-voltage, time-delay fuse designed for branch circuit and feeder protection in industrial control panels and motor circuits. It features a 500V AC/DC voltage rating and a 3A current rating, providing reliable protection with a 10kA interrupting capacity at its rated voltage. The fuse is constructed as a single-barrel, 1/4" x 1-1/2" (0.41 in x 1.5 in) device with a compact form factor, weighing 0.175 lb. It is certified to UL 248-14 and CSA C22.2 No. 248-14 standards, ensuring compliance for safety-critical applications in manufacturing, HVAC, and machinery where durable, time-delay overcurrent protection is required.