MERSEN FUSE 6,9 URB 000 D08L 315 6,9URB000D08L315

MERSEN FUSE 6,9 URB 000 D08L 315 6,9URB000D08L315

315A high-speed fuse operating at 690VAC with integrated striker and DIN 80 blade terminals, designed for semiconductor protection in industrial applications.

SKU: A330188Alt SKU: DN000UB69V315LMPN: A330188
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List Price £74.65 ex VAT
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Why Choose the Mersen A330188 High-Speed Semiconductor Fuse?

The Mersen A330188 is an industrial high-speed semiconductor fuse designed to protect sensitive power electronic equipment against damaging fault currents. Manufactured by Mersen, a specialist in electrical protection technology, this fuse is suitable for applications where rapid circuit interruption and effective current limitation are essential.

High-speed fuses operate significantly faster than conventional general-purpose fuse links, helping minimise the electrical and thermal energy transmitted during a short circuit. This rapid response helps protect valuable semiconductor devices such as IGBTs, thyristors, diodes and rectifiers used throughout industrial power-conversion equipment.

Identified by the manufacturer reference A330188, this fuse is intended for professional replacement, maintenance and OEM applications. The full electrical ratings, fuse class, dimensions and mounting arrangement should be confirmed against the existing fuse, equipment documentation or official Mersen technical data before installation.

Key Advantages

  • High-speed semiconductor circuit protection.
  • Rapid operation helps limit damaging fault energy.
  • Designed to protect sensitive industrial power electronics.
  • Current-limiting performance helps reduce equipment damage.
  • Suitable for professional maintenance and OEM applications.
  • Genuine Mersen manufacturer reference A330188.

Key Features

  • Mersen high-speed fuse technology.
  • A330188 manufacturer part number.
  • Designed for semiconductor protection applications.
  • Fast short-circuit interruption.
  • Low fault-energy let-through characteristics.
  • Industrial-grade fuse construction.
  • Suitable for compatible fuse bases and electrical equipment.
  • Electrical ratings and dimensions should be verified before installation.

Reliable Protection for Industrial Power Electronics

Power semiconductor devices can be damaged within milliseconds when exposed to excessive current. A correctly selected high-speed fuse limits the magnitude and duration of the fault, reducing the thermal and mechanical stress applied to connected electronic components.

The Mersen A330188 should be selected using the complete manufacturer reference together with the required voltage, current, breaking-capacity and energy let-through characteristics. Installation should only be completed after the equipment has been safely isolated and product compatibility has been confirmed.

Typical Applications

  • Variable frequency drives and motor-control equipment.
  • Industrial inverters and converters.
  • Rectifiers and controlled power supplies.
  • Uninterruptible power supply systems.
  • Power semiconductor protection circuits.
  • Industrial automation and electrical control panels.

Technical Specifications

Item number A330188
Catalogue No DN000UB69V315L
Description Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 315A With Striker DIN 80 Blades
EAN/UPC Code 8430399015521
Rated voltage AC UL 690 V
Rated voltage DC UL 500 V
Rated voltage AC IEC 690 V
Ampere Rating 315 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic aR
Fuse Size NH000
Mounting Bolted
Clearing I2t At Rated Voltage 82000 A²s
Melting I2t 15420 A²s
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type DIN 80 Blades
Product Width 20 mm
Product Length 100 mm
Product Height 55.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.3849 kg
Sell Pack Width 110 mm
Sell Pack Length 130 mm
Sell Pack Height 80 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.1283 kg
Power Dissipation at Rated Current Value 58 W
HS Code 85361090
Country of Manufacture Tunisia
Fuse Type Semiconductor
Fuse Size NH000
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen A330188 used for?

The Mersen A330188 is a high-speed fuse intended to protect compatible power semiconductor devices and industrial electronic equipment against damaging short-circuit currents.

Is A330188 the manufacturer part number?

Yes. A330188 is the Mersen manufacturer reference used to identify this specific fuse product.

Can a standard industrial fuse replace the Mersen A330188?

A general-purpose fuse should not be used as a direct replacement unless the equipment manufacturer confirms compatibility. High-speed semiconductor fuses have specialised operating and energy-limiting characteristics.

What should be checked before ordering this fuse?

Confirm the complete part number, rated current, rated voltage, fuse class, breaking capacity, physical dimensions and mounting arrangement against the existing fuse and equipment documentation.

Who should install the Mersen A330188?

The fuse should be installed by a suitably qualified electrical professional after the equipment has been isolated and all applicable electrical safety procedures have been followed.

Trusted Semiconductor Protection Technology

Mersen high-speed fuses are used by equipment manufacturers, panel builders and electrical engineers to protect critical semiconductor devices within industrial power-conversion and automation systems.

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