Why Choose the Mersen T330228 High-Speed Semiconductor Fuse?
The Mersen T330228 is a high-speed semiconductor fuse engineered to protect sensitive power electronic equipment against damaging overloads and short-circuit faults. Manufactured by Mersen, this industrial fuse is designed for demanding applications where rapid fault interruption and dependable circuit protection are essential. The product is identified by the manufacturer description "6.9 gRB 00 D08L 025", indicating a BS88-style high-speed semiconductor fuse.
Designed for semiconductor protection, the T330228 helps minimise let-through energy during fault conditions, reducing thermal stress on expensive electronic components such as IGBTs, thyristors, diodes and rectifier assemblies. Its robust industrial construction makes it suitable for OEM equipment, industrial automation systems and power conversion applications.
The Mersen T330228 is commonly specified for industrial drives, converters, UPS systems and other electrical installations requiring reliable high-speed protection for semiconductor devices.
Key Advantages
High-speed semiconductor protection fuse.
Rapid interruption of fault currents.
Helps protect sensitive power electronic components.
Suitable for industrial power conversion equipment.
Robust construction for demanding industrial environments.
Genuine Mersen replacement component.
Key Features
Manufacturer: Mersen.
Part number: T330228.
Description: 6.9 gRB 00 D08L 025.
High-speed semiconductor fuse technology.
BS88-style industrial fuse design.
Designed for semiconductor short-circuit protection.
Suitable for compatible industrial fuse holders.
Professional OEM replacement component.
Reliable Protection for Industrial Power Electronics
High-speed semiconductor fuses are specifically designed to interrupt fault currents before they can damage expensive semiconductor devices. Their low let-through energy helps improve equipment reliability while reducing maintenance costs and system downtime.
The Mersen T330228 is suitable for industrial applications where reliable semiconductor protection is critical, including motor drives, power converters, industrial automation systems and renewable energy equipment.
Typical Applications
Variable frequency drives (VFDs).
Industrial power converters.
UPS systems.
Industrial rectifiers.
Motor control equipment.
Renewable energy systems.
Industrial automation equipment.
OEM electrical machinery.
Technical Specifications
Manufacturer
Mersen
Model
T330228
Manufacturer part number
T330228
Product type
High-speed semiconductor fuse
Series description
6.9 gRB 00 D08L 025
Application
Semiconductor protection
Operating characteristic
gRB high-speed
Fuse format
BS88 style
Primary protection
Overload and short-circuit protection
Installation
Compatible industrial fuse holder
Weight
Approximately 1.36 kg
Frequently Asked Questions
What is the Mersen T330228 used for?
The Mersen T330228 is a high-speed semiconductor fuse designed to protect sensitive power electronic equipment against overload and short-circuit faults.
What does the gRB characteristic mean?
The gRB operating characteristic is intended for semiconductor protection, providing rapid fault interruption while protecting sensitive electronic devices.
Where is the T330228 commonly installed?
It is commonly installed in industrial drives, UPS systems, converters, rectifiers, renewable energy equipment and other power electronic systems.
Can this fuse be used as a direct replacement?
Yes, provided the complete manufacturer reference, electrical ratings, dimensions and application match the original equipment specification.
Who typically uses the Mersen T330228?
The fuse is used by OEM manufacturers, industrial maintenance engineers, panel builders and electrical contractors responsible for protecting power electronic equipment.
Trusted by Industrial Engineers Worldwide
Mersen high-speed semiconductor fuses are trusted throughout industry for protecting valuable power electronic equipment in demanding electrical applications.
Manufacturer
Mersen
Model
T330228
Manufacturer part number
T330228
Product type
High-speed semiconductor fuse
Series description
6.9 gRB 00 D08L 025
Application
Semiconductor protection
Operating characteristic
gRB high-speed
Fuse format
BS88 style
Primary protection
Overload and short-circuit protection
Installation
Compatible industrial fuse holder
Weight
Approximately 1.36 kg
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...