High-speed fuse designed for semiconductor protection with 800A rating and 1250VAC IEC compliance, featuring flush-end striker and Omega connection.
£406.52
The Mersen Y300723 is a manufacturer-referenced industrial electrical protection component intended for use within compatible Mersen equipment, fuse systems or power distribution assemblies. Its unique Y300723 reference helps engineers, panel builders, procurement teams and maintenance professionals identify the required component accurately when sourcing a replacement.
Mersen manufactures specialist fuses, fuse accessories and circuit protection products for industrial machinery, automation, power conversion and electrical distribution applications. Selecting the specified manufacturer reference helps preserve compatibility with the original installation and reduces the risk of choosing a component with unsuitable electrical or mechanical characteristics.
Detailed product-specific technical information for the Mersen Y300723 is not readily available in public documentation. The exact product type, rated current, rated voltage, operating class, breaking capacity, terminal arrangement and dimensions should therefore be confirmed from the original component label, equipment parts list or current Mersen technical documentation before ordering or installation.
Industrial fuses and electrical protection components must be selected according to their complete technical specification rather than appearance alone. Current rating, voltage rating, response characteristic, fault-interruption capability and physical configuration can all determine whether a component is suitable for a particular circuit.
Before installing the Mersen Y300723, compare its complete manufacturer reference and verified technical information with the existing component and associated equipment documentation. Any proposed alternative should provide equivalent electrical performance, mechanical dimensions, terminal arrangements and applicable approvals.
| Item number | Y300723 |
|---|---|
| Catalogue No | PC272UD13C800TF |
| Description | Square Body High-Speed Fuse Protistor® Size 2x72 aR 1250VAC IEC 800A With Striker Flush ends metric threads With Omega connection |
| EAN/UPC Code | 3605340332681 |
| Rated voltage AC IEC | 1250 V |
| Ampere Rating | 800 A |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 2x72 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 1065 kA²s |
| Melting I2t | 130 kA²s |
| AC Max I.R./Breaking Capacity | I1: 100 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Brass |
| Connection/Terminal Type | Flush ends |
| Product Width | 138.5 mm |
| Product Length | 91 mm |
| Product Height | 65.5 mm |
| Sell Pack Quantity | 1 EA |
| Sell Pack Weight | 1.698 kg |
| Sell Pack Width | 90 mm |
| Sell Pack Length | 205 mm |
| Sell Pack Height | 95 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 1.698 kg |
| Power Dissipation at Rated Current Value | 168 W |
| HS Code | 85351000 |
| Country of Manufacture | France |
The Mersen Y300723 is a manufacturer-referenced industrial electrical protection component intended for use with compatible Mersen equipment or assemblies.
The precise current rating, voltage rating, operating class and breaking capacity should be confirmed from the original product label or current Mersen technical documentation.
Compare the complete Y300723 reference, electrical ratings, physical dimensions, terminal arrangement and operating characteristics with the original component and equipment parts list.
A substitute should only be used when its electrical performance, operating characteristics, dimensions, connections and approvals have been confirmed as fully compatible with the application.
Installation should be completed by a suitably qualified electrical professional in accordance with the equipment manufacturer’s instructions and applicable electrical safety requirements.
Accurate manufacturer references and verified technical specifications are essential when selecting electrical protection components for industrial machinery, control panels and power-distribution equipment.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...