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High-speed 200A Protistor® fuse with visual indicator for rapid semiconductor protection at 690VAC. Features NH 000 size, DIN 80 blades, and ceramic body.
£41.32
The Mersen A330027 (Catalogue No. DN000UB69V200V) is a premium Protistor® NH000 high-speed semiconductor fuse designed to provide ultra-fast protection for sensitive power electronic equipment. Engineered specifically for semiconductor applications, it delivers rapid fault interruption to protect IGBTs, thyristors, diodes and rectifiers from damaging short circuits while minimising let-through energy.
Manufactured with silver-plated contacts and high-quality ceramic construction, the A330027 offers exceptional electrical performance, excellent cycling capability and a high breaking capacity. Its integrated visual indicator enables quick identification of an operated fuse, helping reduce maintenance time and improve equipment availability.
Rated at 200 A with a 690 V AC IEC operating voltage, this NH000 square-body fuse is ideally suited for industrial drives, UPS systems, converters, inverters and other demanding power conversion equipment requiring dependable semiconductor protection.
High-speed semiconductor fuses are designed to interrupt fault currents before expensive semiconductor devices suffer irreversible damage. The Mersen A330027 combines extremely fast operating characteristics with low energy let-through, making it ideal for protecting industrial drives, converters and modern power electronic equipment.
Its standard NH000 DIN 80 blade construction enables simple installation into compatible fuse bases and switch disconnectors used throughout industrial automation and electrical distribution systems.
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Size | NH000 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | A330027 | |
| Catalogue No | DN000UB69V200V | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 200A Visual Indicator DIN 80 Blades | |
| EAN/UPC Code | 3605340360851 | |
| Rated voltage AC UL | 690 V | |
| Rated voltage DC UL | 320 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 200 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH000 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 31500 A²s | |
| Melting I2t | 5250 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Visual Indicator | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 20 mm | |
| Product Length | 100 mm | |
| Product Height | 38.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.3759 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.1253 kg | |
| Power Dissipation at Rated Current Value | 36 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
The A330027 is a high-speed semiconductor fuse designed to protect sensitive power electronic devices such as IGBTs, thyristors and rectifiers from short circuits.
The Mersen A330027 has a rated current of 200 A.
The fuse is rated for 690 V AC IEC and is designed for industrial semiconductor protection applications.
The aR operating class identifies a high-speed fuse specifically designed to provide short-circuit protection for semiconductor devices.
Yes. The A330027 includes an integrated visual indicator to simplify maintenance and quickly identify an operated fuse.
Mersen Protistor® semiconductor fuses are widely specified by OEMs, panel builders and maintenance engineers to protect industrial drives, converters and critical power electronic equipment with dependable high-speed fault interruption.
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