MERSEN FUSE 6,9 GRB 17 P 40 6,9GRB17P40

MERSEN FUSE 6,9 GRB 17 P 40 6,9GRB17P40

British Standard fuse-link Protistor® 17×49 gR 690VAC IEC 40A With Striker, designed for industrial power circuit and semiconductor protection with integrated striker indication.

SKU: K220993Alt SKU: BS17GB69V40PMPN: K220993
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Why Choose the Mersen K220993 High-Speed Semiconductor Fuse?

The Mersen K220993 (BS17GB69V40P) is a Protistor® British Standard high-speed semiconductor fuse designed to provide ultra-fast protection for sensitive power electronic equipment. Featuring a 40 A current rating, 690 VAC IEC voltage rating and a compact 17 × 49 mm body, it is engineered for demanding industrial semiconductor protection applications.

This gR class semiconductor fuse provides full-range protection for power semiconductor devices, helping to safeguard IGBTs, thyristors, diodes and similar components against overload and short-circuit faults. Its integrated striker indicator provides clear fuse operation indication, simplifying maintenance and reducing downtime.

Manufactured by Mersen as part of the trusted Protistor® range, the K220993 complies with IEC semiconductor fuse standards and is suitable for variable speed drives, UPS systems, power converters, rectifiers and other industrial power electronic equipment requiring fast, reliable fault protection.

Key Advantages

  • Genuine Mersen Protistor® BS17GB69V40P semiconductor fuse.
  • 40 A current rating.
  • 690 VAC IEC / 700 VAC UL voltage rating.
  • gR full-range semiconductor protection.
  • Integrated striker indication for rapid maintenance.
  • Excellent current-limiting performance.
  • High breaking capacity up to 200 kA.

Key Features

  • Manufacturer: Mersen
  • Manufacturer Part Number: K220993
  • Catalogue Number: BS17GB69V40P
  • Series: Protistor® BS88-4
  • Fuse Class: gR
  • Current Rating: 40 A
  • Rated Voltage (IEC): 690 VAC
  • Rated Voltage (UL): 700 VAC AC / 600 VDC
  • Fuse Size: 17 × 49 mm
  • Indication: Striker

Typical Applications

  • Variable frequency drives (VFDs).
  • Variable speed drives (VSDs).
  • Industrial inverters.
  • Power converters.
  • UPS systems.
  • Rectifiers.
  • Soft starters.
  • Industrial power supplies.
  • DC drive systems.
  • Protection of IGBT, SCR, thyristor and diode assemblies.

Technical Specifications

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Fuse Indication Striker
Fuse Type Semiconductor
Fuse Size 17x49 mm
Voltage 690 V
Item number K220993
Catalogue No BS17GB69V40P
Description British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 40A With Striker
EAN/UPC Code 3605340249132
Rated voltage AC UL 700 V
Rated voltage DC UL 600 V
Rated voltage AC IEC 690 V
Ampere Rating 40 A
AC or DC AC
Fuse Size 17x49
Mounting Bolted
Clearing I2t At Rated Voltage 610 A²s
Melting I2t 96 A²s
AC Max I.R./Breaking Capacity I1: 200 kA
Design Details gRB
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 10.5 W
HS Code 85361050
Country of Manufacture India

Frequently Asked Questions

What is the Mersen K220993 used for?

The Mersen K220993 is a Protistor® high-speed semiconductor fuse designed to protect sensitive power semiconductor devices in industrial power electronic equipment.

What is the current rating?

The K220993 has a rated current of 40 A.

What voltage is the fuse rated for?

The fuse is rated at 690 VAC IEC, 700 VAC UL AC and 600 VDC UL.

Does the fuse include an operation indicator?

Yes. The K220993 includes an integrated striker indicator that provides visual indication when the fuse has operated.

Which applications is it suitable for?

Typical applications include variable speed drives, UPS systems, inverters, rectifiers, converters and other equipment containing sensitive semiconductor devices.

Trusted Semiconductor Protection

Mersen Protistor® semiconductor fuses are trusted worldwide for delivering exceptionally fast fault clearing, high breaking capacity and reliable protection for modern power electronic systems.