MERSEN FUSE 6,9 GRB 70 D11A 0100 PC70GB69V100D1A

MERSEN FUSE 6,9 GRB 70 D11A 0100 PC70GB69V100D1A

High-speed Protistor® fuse offering reliable, ultra-fast circuit interruption at 100A and 690VAC, with striker indication and DIN 110 blade terminals for semiconductor protection.

SKU: Q302027Alt SKU: PC70GB69V100D1AMPN: Q302027
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List Price £106.65 ex VAT
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Why Choose the Mersen Q302027 High-Speed Semiconductor Fuse?

The Mersen Q302027 is an industrial high-speed semiconductor protection fuse intended for the protection of sensitive power electronic equipment against damaging short-circuit currents. Mersen high-speed fuses are commonly specified for circuits containing power semiconductor components such as diodes, thyristors, rectifiers and insulated-gate bipolar transistors.

High-speed semiconductor fuses are designed to interrupt severe fault currents more rapidly than conventional general-purpose fuses. This fast, current-limiting response helps reduce peak fault current and the thermal energy transferred to connected components, supporting improved equipment protection and reduced unplanned downtime.

The Q302027 may be suitable for industrial drives, power converters, inverter assemblies, rectifiers, uninterruptible power supplies and other power electronic systems. As publicly accessible technical information for this exact reference could not be independently verified, its current rating, voltage rating, utilisation category, breaking capacity, terminal arrangement and dimensions should be confirmed from the product label or an official Mersen datasheet before purchase or installation.

Key Advantages

  • High-speed protection for sensitive industrial power electronics.
  • Rapid fault interruption helps minimise damaging let-through energy.
  • Suitable for circuits containing diodes, thyristors, rectifiers and IGBTs.
  • Current-limiting performance can help reduce semiconductor damage.
  • Supports reduced repair costs and unplanned equipment downtime.
  • Manufactured by Mersen, a specialist in electrical protection products.

Key Features

  • Manufacturer reference: Q302027.
  • High-speed operating response for semiconductor protection.
  • Designed for industrial power conversion and automation equipment.
  • Suitable for coordinated short-circuit protection applications.
  • Intended for installation within electrical panels and power assemblies.
  • Industrial-grade fuse construction.
  • Replacement selection based on the full manufacturer reference.
  • Electrical and mechanical compatibility must be verified before installation.

Reliable Protection for Industrial Power Electronics

Power semiconductor components can suffer permanent damage within a fraction of a second when exposed to excessive fault current. High-speed fuses are engineered to clear these faults quickly, helping restrict peak current, thermal stress and the total energy passed into sensitive electronic devices.

Correct fuse coordination is essential for safe and dependable operation. A replacement fuse should match the equipment manufacturer's specified current rating, voltage rating, breaking capacity, operating characteristic, dimensions and terminal configuration. The Q302027 reference alone should not be used as a substitute for verifying the complete technical specification.

Typical Applications

  • Variable speed drives and industrial motor control equipment.
  • Power converters and inverter assemblies.
  • Industrial rectifiers and controlled power supplies.
  • Uninterruptible power supply systems.
  • Battery energy storage and renewable energy equipment.
  • Industrial automation and semiconductor protection circuits.

Technical Specifications

Item number Q302027
Catalogue No PC70GB69V100D1A
Description Square Body High-Speed Fuse Protistor® Size 70 gR 690VAC IEC 100A With Striker DIN 110 Blades
EAN/UPC Code 3605340349825
Rated voltage AC IEC 690 V
Ampere Rating 100 A
RoHS Compliant Yes
AC or DC AC
Speed/Characteristic gR
Fuse Size 70
Mounting Bolted
Clearing I2t At Rated Voltage 6200 A²s
Melting I2t 1058 A²s
AC Max I.R./Breaking Capacity I1: 150 kA
Indication System Yes
Indication System Type Striker
Connection/Terminal Material Silver-Plated Copper
Connection/Terminal Type DIN 110 Blades
Product Width 39 mm
Product Length 133.4 mm
Product Height 46 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 1.0899 kg
Sell Pack Width 130 mm
Sell Pack Length 50 mm
Sell Pack Height 140 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.3633 kg
Power Dissipation at Rated Current Value 23 W
HS Code 85361090
Country of Manufacture France
Fuse Type Semiconductor
Fuse Class gR
Voltage 690 V

Frequently Asked Questions

What is the Mersen Q302027 used for?

The Mersen Q302027 is intended for the high-speed protection of semiconductor devices and industrial power electronic equipment against damaging short-circuit currents.

Which components can the Q302027 protect?

High-speed fuses of this type are commonly used to protect components such as diodes, thyristors, rectifiers and IGBTs. Compatibility with the specific circuit must be verified before installation.

Is the Q302027 a general-purpose fuse?

It is identified as a high-speed semiconductor protection reference rather than a conventional general-purpose fuse. The exact utilisation category should be confirmed using official Mersen documentation.

How should a replacement Q302027 fuse be selected?

A replacement should match the complete Q302027 reference together with the original current rating, voltage rating, breaking capacity, operating characteristic, dimensions and terminal arrangement.

Where can the precise Q302027 ratings be found?

The precise electrical and mechanical ratings should be obtained from the fuse label, the original equipment documentation or an official Mersen datasheet supplied for reference Q302027.

Trusted Protection for Critical Power Equipment

Mersen high-speed fuse technology is used in industrial power electronic systems where rapid fault interruption and dependable semiconductor protection are essential. Always verify the exact Q302027 specification before installation.

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