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MERSEN FUSE 6,9 URB 000 D08 V 200 6,9URB000D08V200

MERSEN FUSE 6,9 URB 000 D08 V 200 6,9URB000D08V200

High-speed 200A Protistor® fuse with visual indicator for rapid semiconductor protection at 690VAC. Features NH 000 size, DIN 80 blades, and ceramic body.

SKU: A330027Alt SKU: DN000UB69V200VMPN: A330027
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List Price £68.86 ex VAT
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Why Choose the Mersen A330027 Protistor® High-Speed Fuse?

The Mersen A330027 (Catalogue No. DN000UB69V200V) is a premium Protistor® NH000 high-speed semiconductor fuse designed to provide ultra-fast protection for sensitive power electronic equipment. Engineered specifically for semiconductor applications, it delivers rapid fault interruption to protect IGBTs, thyristors, diodes and rectifiers from damaging short circuits while minimising let-through energy.

Manufactured with silver-plated contacts and high-quality ceramic construction, the A330027 offers exceptional electrical performance, excellent cycling capability and a high breaking capacity. Its integrated visual indicator enables quick identification of an operated fuse, helping reduce maintenance time and improve equipment availability.

Rated at 200 A with a 690 V AC IEC operating voltage, this NH000 square-body fuse is ideally suited for industrial drives, UPS systems, converters, inverters and other demanding power conversion equipment requiring dependable semiconductor protection.

Key Advantages

  • Ultra-fast aR semiconductor protection fuse.
  • 200 A current rating for industrial power electronics.
  • 690 V AC IEC voltage rating.
  • Very low let-through energy (I²t) protects sensitive semiconductor devices.
  • Integrated visual fuse indicator for faster maintenance.
  • Standard NH000 DIN 80 blade construction.

Key Features

  • Mersen Protistor® series.
  • NH000 square-body fuse.
  • 200 A rated current.
  • 690 V AC IEC operating voltage.
  • aR operating class for semiconductor protection.
  • Silver-plated blade contacts.
  • Visual blown-fuse indicator.
  • High breaking capacity of 200 kA AC.

Reliable Protection for Power Conversion Equipment

High-speed semiconductor fuses are designed to interrupt fault currents before expensive semiconductor devices suffer irreversible damage. The Mersen A330027 combines extremely fast operating characteristics with low energy let-through, making it ideal for protecting industrial drives, converters and modern power electronic equipment.

Its standard NH000 DIN 80 blade construction enables simple installation into compatible fuse bases and switch disconnectors used throughout industrial automation and electrical distribution systems.

Typical Applications

  • Variable frequency drives (VFDs).
  • Industrial inverters and converters.
  • UPS systems.
  • Motor drives and soft starters.
  • Power semiconductor protection.
  • Industrial automation and electrical control panels.

Technical Specifications

Item number A330027
Catalogue No DN000UB69V200V
Description Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 200A Visual Indicator DIN 80 Blades
EAN/UPC Code 3605340360851
Rated voltage AC UL 690 V
Rated voltage DC UL 320 V
Rated voltage AC IEC 690 V
Ampere Rating 200 A
RoHS Compliant Yes
AC or DC AC/DC
Speed/Characteristic aR
Fuse Size NH000
Mounting Bolted
Clearing I2t At Rated Voltage 31500 A²s
Melting I2t 5250 A²s
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type Visual Indicator
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type DIN 80 Blades
Product Width 20 mm
Product Length 100 mm
Product Height 38.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.3759 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 0.1253 kg
Power Dissipation at Rated Current Value 36 W
HS Code 85361090
Country of Manufacture Tunisia
Fuse Type D / D0 (Neozed/Diazed), Semiconductor
Fuse Size NH000
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen A330027 used for?

The A330027 is a high-speed semiconductor fuse designed to protect sensitive power electronic devices such as IGBTs, thyristors and rectifiers from short circuits.

What is the current rating of this fuse?

The Mersen A330027 has a rated current of 200 A.

What voltage is this fuse rated for?

The fuse is rated for 690 V AC IEC and is designed for industrial semiconductor protection applications.

What does the aR fuse class mean?

The aR operating class identifies a high-speed fuse specifically designed to provide short-circuit protection for semiconductor devices.

Does this fuse include an operation indicator?

Yes. The A330027 includes an integrated visual indicator to simplify maintenance and quickly identify an operated fuse.

Trusted by Industrial Engineers Worldwide

Mersen Protistor® semiconductor fuses are widely specified by OEMs, panel builders and maintenance engineers to protect industrial drives, converters and critical power electronic equipment with dependable high-speed fault interruption.

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