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MERSEN FUSE 821 CP GRB 27.60 10 S221437
Protistor® high-speed cylindrical fuse offering reliable short-circuit protection for power conversion equipment rated up to 800VAC with integrated striker for remote indication.
£38.80
Why Choose the Mersen S221437 Protistor® High-Speed Fuse?
The Mersen S221437 is a Protistor® high-speed cylindrical semiconductor fuse designed to provide full-range protection for sensitive power semiconductor devices. Manufactured as the FR27GB80V10T, this fuse forms part of Mersen's 27 × 60 mm gR (gRB) 800 VAC series, offering rapid fault interruption for converters, drives, UPS systems and other industrial power electronic equipment.
The gR operating class provides both overload and short-circuit protection for semiconductor devices, helping to safeguard expensive components such as IGBTs, thyristors, SCRs and diodes. The fuse incorporates a built-in trip indicator (striker) to simplify maintenance and fault identification.
With a 10 A current rating, 800 V AC IEC voltage rating and compact 27 × 60 mm cylindrical body, the S221437 is ideal for protecting modern power conversion equipment where fast, dependable semiconductor protection is essential.
Key Advantages
- High-speed gR semiconductor fuse providing full-range protection.
- 10 A rated current for precision semiconductor protection.
- 800 V AC IEC voltage rating.
- Integrated trip indicator (striker).
- Excellent current-limiting performance.
- Designed for demanding industrial power electronic applications.
Key Features
- Mersen Protistor® 27 × 60 mm gR series.
- Model: S221437.
- Catalogue number: FR27GB80V10T.
- 10 A rated current.
- 800 V AC IEC rated voltage.
- 27 × 60 mm cylindrical body.
- gR (gRB) operating characteristic.
- Integrated striker indicator.
- RoHS compliant.
Reliable Protection for Power Semiconductor Equipment
The Mersen Protistor® range has been developed specifically for the protection of semiconductor devices operating in high-performance industrial applications. Fast current limitation minimises thermal stress during fault conditions, helping to extend equipment life while reducing maintenance costs.
The S221437 is suitable for industrial equipment requiring full-range semiconductor protection, including variable speed drives, inverters, converters and UPS installations. Its integrated striker simplifies fuse monitoring and maintenance.
Typical Applications
- Variable frequency drives.
- Industrial inverters.
- Power converters.
- UPS systems.
- Semiconductor rectifiers.
- Industrial automation equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 26x60 mm | |
| Fuse Class | gR | |
| Voltage | 800 V | |
| Item number | S221437 | |
| Catalogue No | FR27GB80V10T | |
| Description | High-Speed Cylindrical Fuse Protistor® Size 27x60 gR 800VAC IEC 10A With Striker | |
| EAN/UPC Code | 3605340253641 | |
| Rated voltage AC IEC | 800 V | |
| Ampere Rating | 10 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | gR | |
| Fuse Size | 26x60 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 100 A²s | |
| AC Max I.R./Breaking Capacity | I1: 90 kA | |
| Design Details | gRB | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Ferrule | |
| Product Diameter | 27 mm | |
| Product Length | 60.3 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.8 kg | |
| Sell Pack Width | 123 mm | |
| Sell Pack Length | 138 mm | |
| Sell Pack Height | 30 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.08 kg | |
| Power Dissipation at Rated Current Value | 2.3 W | |
| HS Code | 85361010 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen S221437 used for?
The S221437 is a high-speed gR semiconductor fuse designed to provide full-range protection for power semiconductor devices in industrial power electronic equipment.
What is the current rating of the S221437?
The fuse has a 10 A rated current.
What voltage is the S221437 rated for?
The Mersen S221437 is rated for operation up to 800 V AC (IEC).
Does the S221437 include an indicator?
Yes. It incorporates a built-in striker (trip indicator) to simplify fuse status identification and maintenance.
What does the gR operating class mean?
The gR operating class provides full-range protection against both overloads and short circuits for sensitive semiconductor devices.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for delivering rapid fault interruption, excellent current limitation and dependable protection for industrial power electronic systems.
