HE3321C2400 from Littelfuse, Inc. is a ceramic housed MOV (Metal Oxide Varistor) surge protection device. It is designed to protect sensitive electronics and equipment from voltage surges and transients. The device has a maximum continuous operating voltage of 240V AC and a maximum clamping voltage of 650V. It is capable of handling surge currents up to 20,000A. The HE3321C2400 features a compact and robust design, making it suitable for a wide range of applications including industrial, commercial, and residential use. It has a high energy absorption capability and fast response time, providing reliable protection against damaging transient voltages. The device is UL recognized and RoHS compliant, ensuring high quality and safety standards. Overall, HE3321C2400 is a dependable surge protection solution for safeguarding valuable electronic equipment