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High-speed Size 33 Protistor® fuse with aR characteristic for semiconductor protection, rated at 2500A, 450VAC IEC and 500VAC UL, featuring integrated striker indication, flush ends, and UNC threaded connections.
£298.98
The Mersen Y300838 is a manufacturer-referenced industrial electrical protection component intended for use within compatible Mersen fuse systems, electrical equipment or power distribution assemblies. Using the complete Y300838 reference helps engineers, panel builders, purchasing 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. Correct manufacturer identification is important because components with a similar physical appearance may have different current ratings, voltage ratings, operating characteristics, breaking capacities or connection arrangements.
Detailed product-specific technical information for the Mersen Y300838 could not be verified in publicly accessible manufacturer documentation. Its exact product type, rated current, rated voltage, utilisation category, breaking capacity, terminal configuration 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 physical appearance alone. Current rating, voltage rating, fault-interruption capability, response characteristics and mechanical configuration can all determine whether a component is suitable for a particular circuit or assembly.
Before installing the Mersen Y300838, 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, operating characteristics, dimensions, terminal arrangements and applicable approvals.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 450 V | |
| Item number | Y300838 | |
| Catalogue No | A050UD33TTI2500 | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 450VAC IEC 500VAC UL 2500A With Striker Flush ends UNC threads | |
| EAN/UPC Code | 3605340334319 | |
| Rated voltage AC UL | 500 V | |
| Rated voltage AC IEC | 450 V | |
| Ampere Rating | 2500 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 6540 kA²s | |
| Melting I2t | 1870 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | Reinforced Terminal | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Brass | |
| Connection/Terminal Type | Flush ends | |
| Product Width | 73 mm | |
| Product Length | 50.6 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.682 kg | |
| Sell Pack Width | 86 mm | |
| Sell Pack Length | 247 mm | |
| Sell Pack Height | 94 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.894 kg | |
| Power Dissipation at Rated Current Value | 280 W | |
| HS Code | 85361090 |
The Mersen Y300838 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 Y300838 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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