HUDSON EVU8.0-20 High-Voltage DC Fuse

The HUDSON EVU8.0-20 High-Voltage DC Fuse is a fast-acting, heavy-duty circuit protection device engineered specifically for modern electric vehicles (EVs) and renewable energy systems. Rated for 20 Amps at 800 Volts DC, this ceramic tube fuse with bolted tags is designed to act as a critical fail-safe, protecting sensitive high-voltage auxiliary components from catastrophic short circuits and electrical overloads.

Key Specifications:

• Category: Automotive Parts & Accessories / EV High Voltage Components / Fuses & Circuit Breakers

• Product Type: High-Voltage DC EV Fuse (Fast-Acting / EV FTF)

• Manufacturer: HUDSON

• Model / Part Number: EVU8.0-20

• Current Rating: 20 Amps (20A)

• Maximum Voltage Rating: 800V DC

• Interrupting Rating (Breaking Capacity): 30kA (30,000 Amps)

• Mounting Type: Bolted tags / Blade terminals (with pre-drilled holes)

• Certifications: CE Compliant

• Body Material: High-strength, thermal-resistant ceramic

Key Features:

• High-Voltage DC Protection – Specifically designed to break direct current up to 800V DC. DC arcs are notoriously difficult to extinguish compared to AC, making specialized EV fuses like this mandatory for system safety, particularly in modern 800V vehicle architectures.

• Massive 30kA Breaking Capacity – In the event of a catastrophic short circuit, this fuse can safely absorb and extinguish fault currents up to 30,000 Amps without the ceramic tube exploding or catching fire.

• Arc-Extinguishing Construction – The high-strength white ceramic tube is internally packed with specialized, high-purity silica sand that instantly melts into glass during a blown-fuse event, safely smothering the electrical arc.

• Vibration-Proof Installation – Features thick, offset metal blade terminals. This allows the fuse to be securely bolted directly onto copper busbars or heavy-duty fuse blocks inside a Power Distribution Unit (PDU), preventing it from vibrating loose on rough roads.

Ideal For:

• Protecting medium-draw auxiliary high-voltage EV circuits (e.g., On-Board Chargers (OBC), DC-DC converters, and PTC cabin heaters)

• High-Voltage Power Distribution Units (HV-PDU) inside electric vehicles and hybrid conversions

• Solar array (PV) combiner boxes and string protection

• Battery Energy Storage Systems (BESS)

• DC Fast Charging station infrastructure

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