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High-speed fuse designed for reliable protection of power semiconductors with 75A rating and 690VAC IEC compliance, featuring L bracket mounting and compact NH 000 square body design.
£22.79
The Mersen B330051 is an industrial electrical product identified by the manufacturer reference B330051. Designed for use within compatible Mersen fuse and circuit protection systems, it supports the safe and dependable operation of electrical control panels, industrial machinery and power distribution equipment.
Mersen specialises in fuse links, fuse holders, disconnecting devices and associated electrical protection products for demanding industrial applications. The B330051 is suitable for maintenance, replacement and original equipment requirements where the installed component must correspond with the specified Mersen manufacturer reference.
The precise product type, electrical ratings, physical dimensions and compatible mounting arrangement should be confirmed using the markings on the original component or official Mersen technical documentation. Verifying these details before installation ensures that the product is correctly matched to the circuit voltage, operating current, prospective fault current and required protection characteristic.
Correctly specified circuit protection components help prevent damage caused by excessive currents and electrical faults. The selected product must have a suitable voltage rating, current rating, breaking capacity and operating characteristic for both the circuit and the connected equipment.
When replacing an existing component, the complete manufacturer reference and all printed electrical markings should be checked carefully. Components with similar dimensions or appearances may have different performance characteristics and should not be considered interchangeable unless their compatibility has been technically confirmed.
Tick the specs you need, then view products that match.
| Voltage | 690 V | |
|---|---|---|
| Fuse Type | BS88, Semiconductor | |
| Fuse Size | NH000 | |
| Fuse Class | aR | |
| Item number | B330051 | |
| Catalogue No | BS000UB69V75 | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 75A L Brackets | |
| EAN/UPC Code | 3605340361346 | |
| Rated voltage AC UL | 690 V | |
| Rated voltage DC UL | 500 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 75 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH000 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2250 A²s | |
| Melting I2t | 340 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Max. Rated Breaking Capacity DC | 55 kA @ 600 V, L/R = 12 ms | |
| DC Min. Breaking Capacity (MBC) | 20 kA @ 600 V, L/R = 12 ms | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Width | 36 mm | |
| Product Length | 94 mm | |
| Product Height | 22.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.423 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 | 0.141 kg | |
| Power Dissipation at Rated Current Value | 20.5 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
The Mersen B330051 is an industrial electrical product intended for use within compatible Mersen fuse or circuit protection equipment.
It should only replace another component when the manufacturer reference, electrical ratings, dimensions and operating characteristics have been confirmed as compatible.
Check the markings on the original component and consult the official Mersen technical documentation for reference B330051 before installation.
The product should be selected and installed by a qualified electrical professional who understands the circuit and its protection requirements.
It may be used in compatible industrial control panels, machinery, automation equipment and electrical power distribution systems.
Mersen electrical protection products are selected by panel builders, equipment manufacturers and maintenance professionals for demanding industrial power and automation applications.
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