Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE CC1051 CP GRB 20.127 20 CC1051CPGRB20.127/20
Mersen D089496 FD20GB100V20T Protistor high-speed cylindrical gR fuse rated at 20 A and 1000 V DC with a 20 × 127 mm body, integrated striker and 100 kA breaking capacity.
£62.53
Why Choose the Mersen D089496 FD20GB100V20T High-Speed Fuse?
The Mersen D089496, catalogue number FD20GB100V20T, is a high-speed Protistor® cylindrical semiconductor fuse engineered specifically for protecting sensitive equipment in high-voltage DC systems. Featuring a fast-acting, full-range gR (gRB) operating characteristic, it provides dependable protection against overloads and short circuits while minimising the energy transferred to valuable semiconductor devices.
Rated at 20 A and 1000 V DC, the D089496 is ideally suited for auxiliary circuits, control systems, measuring equipment and monitoring devices used in industrial power conversion equipment. Its low let-through energy and current-limiting performance help improve system reliability while protecting expensive electronic components.
Manufactured in the internationally recognised 20 × 127 mm cylindrical format, the fuse incorporates ferrule terminals for clip mounting together with an integrated striker for mechanical or remote indication. Its high 100 kA DC breaking capacity provides dependable fault interruption in demanding industrial environments.
Key Advantages
- Fast-acting full-range gR semiconductor protection.
- 20 A rated current for auxiliary and control circuits.
- 1000 V DC voltage rating.
- 100 kA DC breaking capacity.
- Low I²t helps reduce stress on semiconductor devices.
- Integrated striker provides convenient fuse-operation indication.
- Current-limiting performance improves equipment protection.
- Compact 20 × 127 mm cylindrical design for global compatibility.
Key Features
- Mersen Protistor® high-speed fuse series.
- FD20GB100V20T catalogue reference.
- 20 A rated current.
- 1000 V DC rated voltage.
- gR (gRB) operating characteristic.
- 100 kA maximum DC breaking capacity.
- Cylindrical 20 × 127 mm fuse size.
- Ferrule terminals with silver-plated copper contacts.
- Integrated striker indication system.
- Ceramic body with RoHS-compliant construction.
Reliable Protection for High-Voltage DC Circuits
Industrial auxiliary and monitoring circuits require protective devices capable of interrupting fault currents before excessive energy reaches sensitive semiconductor equipment. The Mersen D089496 uses a fast-acting gR characteristic to deliver full-range protection while limiting fault energy and reducing equipment damage.
Its high DC voltage capability, compact cylindrical construction and integrated striker make it suitable for converters, renewable energy systems, battery storage equipment and industrial DC power supplies where dependable fault isolation is essential.
Typical Applications
- Industrial DC auxiliary circuits.
- Control and automation systems.
- Measuring and monitoring equipment.
- Power converters.
- Industrial rectifiers.
- Battery energy storage systems.
- Renewable energy power electronics.
- High-voltage DC power supplies.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Cylindrical, Semiconductor | |
| Fuse Size | 20x127 mm | |
| Fuse Class | gR | |
| Current | 20 A | |
| Voltage | 1000 V | |
| Manufacturer | Mersen | |
| Series | Protistor® Size 20 × 127 gR | |
| Item number | D089496 | |
| Catalogue number | FD20GB100V20T | |
| Product type | High-speed cylindrical fuse link | |
| Fuse characteristic | gR (gRB) | |
| Rated current | 20 A | |
| Rated voltage | 1000 V DC | |
| Maximum breaking capacity | 100 kA DC | |
| Fuse size | 20 × 127 mm | |
| Diameter | 20.6 mm | |
| Length | 127 mm | |
| Terminal type | Ferrule | |
| Terminal material | Silver-plated copper | |
| Mounting method | Clip mounting | |
| Indication system | Integrated striker | |
| Power dissipation | 7.7 W | |
| Applicable standard | IEC 60269-4 | |
| UL recognised | Yes | |
| RoHS compliant | Yes | |
| EAN / UPC | 3605340083613 | |
| Approximate weight | 97 g | |
| HS Code | 85361050 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen D089496 used for?
The Mersen D089496 protects auxiliary circuits, control systems and monitoring equipment operating in high-voltage DC applications.
What is the current rating of the D089496 fuse?
The fuse has a rated current of 20 A.
What voltage is the Mersen D089496 designed for?
The D089496 is rated for operation at up to 1000 V DC.
Does the fuse include an indication system?
Yes. The fuse incorporates an integrated striker to provide mechanical or remote indication when the fuse has operated.
How is the Mersen D089496 installed?
The cylindrical fuse features ferrule terminals and is installed into a compatible clip-mounted fuse holder designed for 20 × 127 mm fuse links.
Trusted Semiconductor Protection
Mersen Protistor® high-speed fuse links are trusted by industrial engineers and equipment manufacturers to provide rapid, dependable protection for semiconductor devices and high-voltage DC systems.
