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The Square Body High-Speed Fuse Protistor® offers rapid, reliable protection for critical power electronics in demanding industrial environments. Rated at 100A with a 690VAC IEC/700VAC UL rating, this fuse delivers precise operation and enhanced safety for modern systems.
£86.51
The Mersen P300140 is an industrial electrical fuse intended for use in compatible power-control, distribution and machinery applications. Manufactured by Mersen, a recognised specialist in electrical protection, it is designed to help protect cables, components and connected equipment against potentially damaging overcurrent and short-circuit conditions.
A correctly selected industrial fuse interrupts excessive fault current before it can cause extensive damage to electrical equipment or infrastructure. The Mersen P300140 may be suitable for maintenance, replacement and original equipment applications where coordinated circuit protection is required to support reliable operation and minimise unplanned downtime.
Detailed electrical and dimensional specifications for the P300140 could not be independently verified from publicly accessible manufacturer information. Before purchase or installation, confirm the rated current, rated voltage, utilisation category, breaking capacity, body dimensions and terminal configuration from the product markings or the latest official Mersen technical documentation.
Industrial fuses operate by opening an electrical circuit when current exceeds their specified operating limits. This helps restrict fault energy, protect downstream components and reduce the possibility of extensive damage to switchgear, control panels, machinery and power-distribution equipment.
When replacing the Mersen P300140, engineers should verify the complete manufacturer reference and every relevant electrical characteristic. A replacement should never be selected solely by appearance, as physically similar fuses may have different operating speeds, voltage capabilities and fault-interruption characteristics.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | P300140 | |
| Catalogue No | A070UD30LI100 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 100A With Striker Slotted Blades long | |
| EAN/UPC Code | 3605340323856 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 100 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2.7 kA²s | |
| Melting I2t | 0.47 kA²s | |
| 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 | Slotted Blades | |
| Product Width | 40 mm | |
| Product Length | 148.6 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.9639 kg | |
| Sell Pack Width | 133 mm | |
| Sell Pack Length | 157 mm | |
| Sell Pack Height | 54 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.3213 kg | |
| Power Dissipation at Rated Current Value | 26 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
The Mersen P300140 is intended for electrical circuit protection in compatible industrial equipment. Its precise application should be confirmed from the official Mersen specification.
Check the rated current, rated voltage, utilisation category and breaking capacity shown on the fuse itself or in the latest official Mersen technical documentation.
A substitute should only be installed when its electrical ratings, operating characteristics, dimensions and terminal arrangement have been confirmed as equivalent to the original fuse.
Its installation location depends on its confirmed specification and may include a compatible fuse holder, control panel, switchgear assembly or industrial equipment enclosure.
Installation should be undertaken by a suitably qualified electrical professional after the equipment has been safely isolated and the correct fuse specification has been verified.
Mersen electrical protection products are used by equipment manufacturers, panel builders and maintenance professionals across industrial power, machinery and automation applications.
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