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315A high-speed fuse operating at 690VAC with integrated striker and DIN 80 blade terminals, designed for semiconductor protection in industrial applications.
£44.79
The Mersen A330188 is an industrial high-speed semiconductor fuse designed to protect sensitive power electronic equipment against damaging fault currents. Manufactured by Mersen, a specialist in electrical protection technology, this fuse is suitable for applications where rapid circuit interruption and effective current limitation are essential.
High-speed fuses operate significantly faster than conventional general-purpose fuse links, helping minimise the electrical and thermal energy transmitted during a short circuit. This rapid response helps protect valuable semiconductor devices such as IGBTs, thyristors, diodes and rectifiers used throughout industrial power-conversion equipment.
Identified by the manufacturer reference A330188, this fuse is intended for professional replacement, maintenance and OEM applications. The full electrical ratings, fuse class, dimensions and mounting arrangement should be confirmed against the existing fuse, equipment documentation or official Mersen technical data before installation.
Power semiconductor devices can be damaged within milliseconds when exposed to excessive current. A correctly selected high-speed fuse limits the magnitude and duration of the fault, reducing the thermal and mechanical stress applied to connected electronic components.
The Mersen A330188 should be selected using the complete manufacturer reference together with the required voltage, current, breaking-capacity and energy let-through characteristics. Installation should only be completed after the equipment has been safely isolated and product compatibility has been confirmed.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | NH000 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | A330188 | |
| Catalogue No | DN000UB69V315L | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 315A With Striker DIN 80 Blades | |
| EAN/UPC Code | 8430399015521 | |
| Rated voltage AC UL | 690 V | |
| Rated voltage DC UL | 500 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 315 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH000 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 82000 A²s | |
| Melting I2t | 15420 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 20 mm | |
| Product Length | 100 mm | |
| Product Height | 55.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.3849 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 | 0.1283 kg | |
| Power Dissipation at Rated Current Value | 58 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
The Mersen A330188 is a high-speed fuse intended to protect compatible power semiconductor devices and industrial electronic equipment against damaging short-circuit currents.
Yes. A330188 is the Mersen manufacturer reference used to identify this specific fuse product.
A general-purpose fuse should not be used as a direct replacement unless the equipment manufacturer confirms compatibility. High-speed semiconductor fuses have specialised operating and energy-limiting characteristics.
Confirm the complete part number, rated current, rated voltage, fuse class, breaking capacity, physical dimensions and mounting arrangement against the existing fuse and equipment documentation.
The fuse should be installed by a suitably qualified electrical professional after the equipment has been isolated and all applicable electrical safety procedures have been followed.
Mersen high-speed fuses are used by equipment manufacturers, panel builders and electrical engineers to protect critical semiconductor devices within industrial power-conversion and automation systems.
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