MERSEN FUSE 6,9 URS 17 P 20 BS17US69V20P

MERSEN FUSE 6,9 URS 17 P 20 BS17US69V20P

The Protistor® 17×49 gR fuse-link provides reliable protection for industrial and commercial applications up to 690V AC with a 20A rating and integrated striker for status indication.

SKU: W075896Alt SKU: BS17US69V20PMPN: W075896
Price
List Price £62.56 ex VAT
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Sold in packs of 3

£62.56

Why Choose the Mersen W075896 BS17US69V20P Semiconductor Fuse?

The Mersen W075896 BS17US69V20P is a high-performance British Standard semiconductor fuse-link engineered to provide rapid and reliable protection for sensitive power semiconductor devices. Part of the trusted Mersen Protistor® BS88-4 series, this fuse is specifically designed for industrial power electronics, variable speed drives, UPS systems and other applications requiring extremely fast fault interruption.

Designed to IEC 60269-1 and IEC 60269-4 standards, the W075896 delivers outstanding protection against short circuits while helping to minimise damage to costly semiconductor components. Its compact 17 × 49 mm format and integrated striker make it suitable for demanding industrial installations where dependable circuit protection is essential.

With a 20 A current rating and a 690 V AC IEC voltage rating, this Protistor® fuse provides exceptional breaking capacity and reliable protection for power conversion equipment, ensuring improved system safety, equipment uptime and operational reliability.

Key Advantages

  • High-speed semiconductor protection fuse for industrial power electronics.
  • 20 A current rating for reliable circuit protection.
  • 690 V AC IEC rated voltage suitable for demanding industrial applications.
  • Integrated striker mechanism for fuse operation indication.
  • Exceptional breaking capacity for semiconductor device protection.
  • Manufactured to BS88-4 and IEC semiconductor fuse standards.

Key Features

  • Mersen Protistor® BS88-4 series.
  • Catalogue number BS17US69V20P.
  • 20 A ampere rating.
  • 690 V AC IEC / 700 V AC UL rating.
  • 17 × 49 mm fuse size.
  • High-speed gR semiconductor protection class.
  • Integrated striker for remote indication.
  • Designed for protection of power semiconductors and industrial equipment.

Reliable Protection for Power Semiconductor Equipment

High-speed semiconductor fuses are designed to protect sensitive electronic power devices against damaging short-circuit currents. Their extremely fast operating characteristics reduce thermal and electrical stress on semiconductor components, helping to extend equipment life and minimise costly downtime.

The Mersen Protistor® range is widely specified for industrial drives, power converters, UPS systems and renewable energy equipment where dependable overcurrent protection is essential for safe and reliable operation.

Typical Applications

  • Variable frequency drives (VFDs).
  • Power converters and inverters.
  • Industrial motor control systems.
  • UPS and backup power equipment.
  • Renewable energy power electronics.
  • Semiconductor protection in industrial automation.

Technical Specifications

Item number W075896
Catalogue No BS17US69V20P
Description British Standard fuse-link Protistor® 17x49 gR 690V AC UL 20A With Striker
EAN/UPC Code 3605340012699
Rated voltage AC UL 700 V
Rated voltage DC UL 700 V
Rated voltage AC IEC 690 V
Ampere Rating 20 A
AC or DC AC
Speed/Characteristic aR
Fuse Size 17x49
Mounting Bolted
Clearing I2t At Rated Voltage 185 A²s
Melting I2t 17.3 A²s
AC Max I.R./Breaking Capacity I1: 200 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Copper
Connection/Terminal Type L Brackets
Product Diameter 18.5 mm
Product Width 27 mm
Product Length 77.2 mm
Product Height 24 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 0.18 kg
Sell Pack Width 110 mm
Sell Pack Length 140 mm
Sell Pack Height 40 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.06 kg
Power Dissipation at Rated Current Value 5.3 W
HS Code 85361050
Country of Manufacture India
Fuse Type Semiconductor
Fuse Size 17x49 mm
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen W075896 used for?

It provides high-speed protection for power semiconductor devices used in industrial drives, converters, UPS systems and other power electronic equipment.

What is the current rating of this fuse?

The fuse has a 20 A current rating.

What voltage is the fuse rated for?

The fuse is rated for 690 V AC (IEC) and 700 V AC/DC (UL).

What does the integrated striker do?

The built-in striker provides mechanical indication when the fuse operates and can be used with compatible monitoring systems.

Which applications is this fuse designed for?

It is intended for protecting semiconductor devices in variable speed drives, converters, UPS systems and industrial power electronic equipment.

Trusted Protection for Industrial Power Electronics

Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and industrial engineers to deliver fast, reliable protection for valuable power electronic equipment in demanding industrial environments.

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