Wickmann 4A T Ceramic Cartridge Fuse 5 x 20 mm 500V AC Time Delay 0477004.MXP

Wickmann 0477004.MXP Ceramic Cartridge Fuse is a precision-engineered fuse designed to protect circuits operating up to 500V AC with a current rating of 4 amps. This ceramic-bodied fuse measures 5 x 20 mm, belonging to the 477 series known for its compact size and robust performance in industrial and electronic applications.

The fuse is rated for time delay operation, which provides resilience against transient electrical surges, making it ideal for power supplies, inverter circuits, and other demanding electrical systems. Operating temperature ranges from -55°C to 125°C ensure reliability across a wide range of environmental conditions.

Manufactured with high-quality ceramic material, the fuse body offers excellent thermal stability and mechanical strength. Certified under international standards including VDE, CSA, IEC, and UL, this fuse is suitable for global markets requiring rigorous compliance.

The 477 series distinguishes itself by delivering effective protection for both AC and DC applications, including inverter LCD backlights and 3-phase power supplies. Its DC interrupting rating spans from 0.5A to 16A at 400V DC, ensuring secure circuit interruption under direct current conditions.

Wickmann has ensured that this fuse is 100% lead-free, complying with environmental safety directives. Its compact size and trusted performance make it a preferred choice for engineers and technicians working in industrial, power control, and automation fields.

Features a 5 x 20 mm ceramic body for high durability. Time delay characteristic enhances protection against transient surges. Operates safely between -55°C and 125°C temperatures. Complies with VDE, CSA, IEC, and UL standards for global use.

Ideal for protecting power supplies and inverter circuits in various electronic applications. Designed for DC and AC high energy applications with 477 series technology. Offers 100% lead-free construction for environmental safety.

Compact size with 20 mm overall length and 5 mm diameter for easy installation.

This fuse is suitable for industrial, electronic manufacturing, power supply design, automation, and HVAC equipment protection. The reliable performance and broad temperature tolerance make it ideal for demanding operational environments.

Explore related electrical protection components and fuses in the Electronics & Electricals section on EnvMart for comprehensive circuit safety solutions.