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High-speed aR characteristic fuse designed for semiconductor protection in industrial power applications, rated 700A at 690VAC IEC and 700VAC UL with striker indication and flush metric threaded ends.
£117.57
The Mersen Y300079 is a genuine Mersen industrial electrical component intended for maintenance, repair and replacement within compatible electrical protection equipment and assemblies. Ordering the component by its complete manufacturer reference helps engineers, panel builders and maintenance teams identify the required part accurately.
Mersen components are used across industrial power distribution, machinery, automation and power electronic systems. Selecting the specified Y300079 reference helps preserve compatibility with the original equipment and supports reliable operation within the associated electrical assembly.
Detailed public technical information for the Mersen Y300079 is limited. Its precise product type, electrical ratings, dimensions, mounting arrangement and equipment compatibility should therefore be confirmed against the original component label, equipment parts list or current Mersen technical documentation before ordering or installation.
Accurate component selection is essential when maintaining industrial electrical systems. Components that appear physically similar can have different voltage ratings, current ratings, operating characteristics, dimensions or connection arrangements, potentially affecting equipment performance and electrical safety.
The Mersen Y300079 should be selected using its complete manufacturer reference and verified against the original equipment documentation. This helps confirm that the replacement is mechanically suitable, electrically compatible and appropriate for the intended installation.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | Y300079 | |
| Catalogue No | PC33UD69V700TF | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC 700A With Striker Flush ends metric threads | |
| EAN/UPC Code | 3605340323177 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 700 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 330 kA²s | |
| Melting I2t | 57 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Design Details | Standard 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 | 2.4168 kg | |
| Sell Pack Width | 85 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 95 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.8056 kg | |
| Power Dissipation at Rated Current Value | 115 W | |
| HS Code | 85361090 |
The Mersen Y300079 is an industrial electrical component intended for maintenance or replacement within compatible Mersen equipment and electrical assemblies.
Yes. Y300079 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 dependable operation and effective protection across demanding industrial electrical systems.
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