MERSEN FUSE 6,9 URB 000 BS88Z P 315 F221288

MERSEN FUSE 6,9 URB 000 BS88Z P 315 F221288

Why Choose the MERSEN FUSE 6,9 URB 000 BS88Z P 315 F221288?

SKU: F221288MPN: F221288
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Why Choose the Mersen F221288 Protistor® High-Speed Fuse?

The Mersen F221288, catalogue number BS88ZP315, is a high-speed Protistor® semiconductor protection fuse designed to provide dependable protection for power semiconductor devices operating in demanding industrial applications. As part of the renowned Mersen Protistor® range, this British Standard fuse-link delivers rapid fault interruption, minimising damage to sensitive components such as IGBTs, thyristors, diodes and rectifiers used in modern power conversion systems.

Manufactured for use in industrial automation, motor drives and power electronic equipment, the BS88ZP315 offers extremely high breaking capacity and low let-through energy to help reduce equipment downtime and maintenance costs. Its robust construction makes it suitable for protecting expensive semiconductor assemblies against overloads and short-circuit faults.

Designed for installation within compatible BS88 fuse holders, the Mersen F221288 is widely specified by OEMs, panel builders and maintenance engineers seeking reliable semiconductor protection and long-term operational performance.

Key Advantages

  • High-speed Protistor® semiconductor protection fuse.
  • Designed for protecting sensitive power semiconductor devices.
  • Low let-through energy helps minimise equipment damage.
  • Extremely high breaking capacity for industrial applications.
  • Suitable for BS88 fuse holders and electrical distribution equipment.
  • Trusted by OEMs and industrial automation specialists worldwide.

Key Features

  • Manufacturer: Mersen.
  • Series: Protistor®.
  • Model: F221288.
  • Catalogue number: BS88ZP315.
  • British Standard semiconductor protection fuse.
  • Designed for high-speed fault interruption.
  • Suitable for industrial power electronic protection.
  • Compact fuse-link for compatible BS88 fuse bases.

Reliable Protection for Power Electronics

Protistor® semiconductor fuses are specifically engineered to protect expensive power electronic components from destructive fault currents. Their rapid operating characteristics limit thermal stress on semiconductor devices while improving overall system reliability and helping reduce maintenance costs.

The Mersen F221288 is suitable for demanding industrial environments where dependable protection is required for drives, converters, inverters, UPS systems and other power electronic equipment operating under high fault-current conditions.

Typical Applications

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

Technical Specifications

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Device Type Fuse link
Fuse Type BS88, Semiconductor
Manufacturer Mersen
Series Protistor®
Model F221288
Catalogue number BS88ZP315
Product type High-speed semiconductor fuse
Fuse standard BS88
Application Semiconductor protection
Mounting Compatible BS88 fuse holder
Breaking capacity High breaking capacity
Protection Power semiconductor devices
Construction Industrial fuse-link
Compliance IEC semiconductor fuse standards

Frequently Asked Questions

What is the Mersen F221288 used for?

The F221288 is designed to protect semiconductor devices including IGBTs, thyristors, rectifiers and diodes used in industrial power electronic equipment.

Which product series does this fuse belong to?

It forms part of the Mersen Protistor® range of high-speed semiconductor protection fuses.

What equipment is this fuse suitable for?

It is suitable for variable frequency drives, UPS systems, converters, rectifiers, inverters and other industrial power electronic equipment.

Why are semiconductor fuses different from standard industrial fuses?

Semiconductor fuses operate significantly faster and have much lower let-through energy, helping to protect sensitive power electronic devices from damage during fault conditions.

Where is the Mersen F221288 typically installed?

The fuse is typically installed within compatible BS88 fuse holders in industrial electrical panels and power conversion equipment.

Trusted Semiconductor Protection Worldwide

Mersen Protistor® semiconductor fuses are trusted by machine builders, panel manufacturers and industrial engineers worldwide for delivering dependable protection of valuable power electronic equipment in demanding industrial environments.