Littelfuse 4 A Resettable Fuse 60V Radial Lead RKEF400

Littelfuse RKEF400 4 A Resettable Fuse is a high-quality radial lead fuse designed for robust overcurrent protection at 60 volts. This resettable fuse automatically restores from tripped condition without needing replacement, making it highly maintenance free and reliable for repeated fault cycles.

Constructed with rapid switching properties, the fuse transitions from a low resistance state to a high resistance state in the event of electrical overload or short circuit, protecting sensitive electronic and electrical circuits effectively.

With approvals from UL, CSA, TUV, and compliance to RoHS standards, the RKEF400 ensures industry-leading safety and environmental standards. It maintains a hold current of 4A and trips at 8A within 24 seconds, suitable for precise circuit protection scenarios.

The fuse's compact dimensions of 21mm length, 24.9mm height, and 3mm width allow for easy installation on PCBs without the need for additional fuse holders, saving space and complexity.

This fuse is specially suited for applications including security systems, power supplies and transformers, automotive electronics, medical devices, instrumentation, control systems, computers, peripherals, audiovisual equipment, and telecommunications.

Automatically resets thousands of times without replacement. Protects against excessive currents effectively and reliably. Compact size removes need for fuse holders ensuring space saving. Compliant with UL, CSA, TUV, and RoHS standards for safety and environmental care.

Rated for 4A hold current with trip at 8A in 24 seconds. Operates reliably between -40°C and 60°C ambient temperature. Low resistance facilitates minimal power loss within circuits. Ideal for various industrial, electronic and medical applications.

Manufactured in China as part of the RKEF series by Littelfuse, this Resettable Fuse offers durable and dependable circuit protection. Available from EnvMart for electronics and electrical engineering needs.