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High-speed Protistor® fuse engineered for superior short-circuit protection in demanding industrial applications, supporting up to 690V AC (IEC) and 700V AC (UL) with a 500A current rating and striker indication system.
£98.46
The Mersen Y300033 is a genuine Mersen industrial electrical component intended for maintenance, repair and replacement within compatible electrical protection equipment and assemblies. Specifying the complete manufacturer reference helps engineers and maintenance teams identify the required component accurately and preserve compatibility with the original installation.
Mersen products are widely used in industrial power distribution, machinery, automation and power electronic systems. Genuine replacement components help support dependable operation, correct mechanical installation and continued performance within compatible Mersen equipment.
Detailed public technical data for the Y300033 reference is limited. Its product type, electrical ratings, dimensions, mounting arrangement and equipment compatibility should therefore be verified against the original component label, the associated equipment parts list or current Mersen technical documentation before purchase or installation.
Correct component selection is essential when maintaining industrial electrical systems. Components with a similar appearance may have different voltage ratings, current ratings, operating characteristics, dimensions or connection arrangements, which can affect equipment performance and electrical safety.
The Mersen Y300033 should be selected using its complete manufacturer reference and verified against the original equipment documentation. This helps ensure that the replacement is mechanically suitable, electrically compatible and appropriate for the intended application.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | Y300033 | |
| Catalogue No | A070UD31KI500 | |
| Description | Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 500A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340322576 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 500 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 31 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 215000 A²s | |
| Melting I2t | 37000 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 | Slotted Blades | |
| Product Width | 51 mm | |
| Product Length | 129 mm | |
| Product Height | 56.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.203 kg | |
| Sell Pack Width | 157 mm | |
| Sell Pack Length | 166 mm | |
| Sell Pack Height | 62 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.401 kg | |
| Power Dissipation at Rated Current Value | 72 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
The Mersen Y300033 is an industrial electrical component intended for maintenance or replacement within compatible Mersen equipment and electrical assemblies.
Yes. Y300033 is a Mersen manufacturer reference that should be matched exactly when identifying or sourcing the required component.
Compatibility should be verified using the original component label, equipment parts list, electrical drawings and current Mersen technical documentation.
A substitute should not be installed unless its electrical ratings, dimensions, mounting arrangement, connections and operating characteristics have been confirmed as fully compatible.
The component should be installed by a suitably qualified electrical professional in accordance with the equipment manufacturer’s instructions and applicable electrical safety requirements.
Mersen electrical products are widely selected by equipment manufacturers, panel builders and maintenance engineers to support reliable operation and effective protection across demanding industrial electrical systems.
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