MERSEN FUSE 6,9 URD 30 ES F 0250 PC30UD69V250ESF

MERSEN FUSE 6,9 URD 30 ES F 0250 PC30UD69V250ESF

Why Choose the MERSEN FUSE 6,9 URD 30 ES F 0250 PC30UD69V250ESF?

SKU: A300104Alt SKU: PC30UD69V250ESFMPN: A300104
Price
List Price £123.16 ex VAT
Your Price (ex VAT) Save 40%
£73.90 40% OFF
You save £49.26 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £73.90
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 3

£73.90

Why Choose the Mersen A300104 Protistor® High-Speed Fuse?

The Mersen A300104 is a Protistor® square body high-speed semiconductor fuse designed to deliver ultra-fast short-circuit protection for sensitive power electronic equipment. Engineered for demanding industrial applications, this fuse provides reliable protection for IGBTs, thyristors, SCRs, diodes and other semiconductor devices used in modern power conversion systems.

Manufactured by Mersen, a global leader in electrical protection solutions, the A300104 is built using advanced fuse technology with silver-plated contacts and solidified sand construction to achieve low let-through energy and high interrupting performance. Its robust square body design makes it suitable for use in industrial environments where reliability is critical.

As part of the trusted Mersen Protistor® range, the A300104 is intended for industrial drive systems, UPS equipment, renewable energy installations, power converters and other applications requiring dependable semiconductor protection. Product-specific electrical ratings should be confirmed before installation.

Key Advantages

  • High-performance Protistor® semiconductor protection fuse.
  • Designed for protecting IGBTs, SCRs, thyristors and diodes.
  • Ultra-fast fault interruption helps minimise equipment damage.
  • High breaking capacity for demanding industrial applications.
  • Robust square body construction for reliable operation.
  • Suitable for OEM machinery and industrial power conversion systems.

Key Features

  • Mersen Protistor® series.
  • Model: A300104.
  • High-speed semiconductor protection.
  • Square body industrial fuse design.
  • Silver-plated contact surfaces.
  • Low let-through energy (I²t).
  • Suitable for industrial power electronics.
  • Designed for demanding electrical installations.

Reliable Protection for Power Electronics

High-speed semiconductor fuses are engineered to interrupt fault currents before damaging energy reaches expensive electronic components. Their rapid response helps improve equipment reliability while reducing repair costs and production downtime.

The Mersen Protistor® range is trusted worldwide for protecting industrial drives, UPS systems, renewable energy equipment and power conversion applications where dependable semiconductor protection is essential.

Typical Applications

  • Variable frequency drives (VFDs).
  • Industrial motor control systems.
  • Power converters and rectifiers.
  • UPS installations.
  • Renewable energy systems.
  • Industrial automation equipment.

Technical Specifications

Tick the specs you need, then view products that match.

Device Type Fuse link
Fuse Type Semiconductor
Fuse Class aR
Manufacturer Mersen
Series Protistor®
Model A300104
Product type High-speed semiconductor fuse
Fuse characteristic aR
Rated current Refer to manufacturer documentation
Rated voltage Refer to manufacturer documentation
Breaking capacity High interrupting capacity
Construction Square body fuse
Contact material Silver-plated contacts
Mounting type Square body fuse mounting
Compliance Refer to manufacturer documentation

Frequently Asked Questions

What is the Mersen A300104 used for?

The A300104 is designed to provide ultra-fast protection for semiconductor devices used in industrial power electronic equipment.

Which equipment is this fuse suitable for?

It is commonly used in variable speed drives, UPS systems, industrial converters, renewable energy equipment and automation systems.

What type of semiconductor devices does it protect?

The fuse is suitable for protecting IGBTs, thyristors, SCRs, diodes and similar semiconductor devices.

Why are high-speed semiconductor fuses important?

They interrupt fault currents extremely quickly, helping prevent costly damage to sensitive power electronic components.

Should the electrical ratings be verified before installation?

Yes. Always confirm the voltage, current and application requirements using the official Mersen documentation before installation.

Trusted by Industrial Engineers Worldwide

Mersen Protistor® semiconductor fuses are trusted worldwide to protect critical power electronic equipment, helping maximise system reliability while reducing maintenance costs and downtime.