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MERSEN FUSE A 120 URD 72 LI 0630 A120URD72LI0630
The A120UD72LI630 fuse delivers reliable high-speed protection for critical power electronics, rated at 1100VAC (IEC) and 1200VAC (UL) with a 630A current capacity. Its advanced Protistor® technology ensures rapid fault clearance, safeguarding sensitive semiconductor devices in demanding industrial environments.
£125.12
Why Choose the Mersen Y300677 Industrial Electrical Protection Component?
The Mersen Y300677 is a manufacturer-referenced industrial electrical protection component intended for maintenance, replacement or integration within compatible Mersen equipment and electrical assemblies. Using the complete Y300677 reference helps engineers, panel builders, procurement teams and maintenance professionals identify the required component accurately.
Mersen supplies specialist fuse systems, fuse accessories and circuit protection products for industrial machinery, automation, power distribution and power electronic applications. Selecting the correct manufacturer reference is essential because components with a similar appearance may have different electrical ratings, operating characteristics, dimensions or terminal configurations.
Detailed product-specific technical information for the Mersen Y300677 could not be verified in publicly accessible manufacturer documentation. The exact product type, current rating, voltage rating, operating class, breaking capacity, dimensions and connection arrangement should therefore be confirmed from the original component label, equipment parts list or current Mersen technical documentation before purchase or installation.
Key Advantages
- Identified by the specific Mersen Y300677 manufacturer reference.
- Suitable for compatible industrial maintenance and replacement work.
- Supports accurate component identification and procurement.
- Helps preserve compatibility with the original electrical assembly.
- Suitable for professional industrial electrical environments.
- Reduces the risk of selecting an electrically or mechanically unsuitable alternative.
Key Features
- Mersen manufacturer reference Y300677.
- Industrial electrical protection component.
- Intended for compatible Mersen equipment or assemblies.
- Suitable for maintenance, repair and replacement applications.
- Manufacturer-specific reference for accurate identification.
- Electrical ratings must be verified before purchase.
- Mechanical dimensions must match the original component.
- Installation should be completed by a qualified electrical professional.
Accurate Component Selection for Industrial Equipment
Industrial fuses and electrical protection components must be selected according to their complete technical specification rather than appearance alone. Current rating, voltage rating, fault-interruption capability, response characteristics and physical configuration can all affect whether a component is suitable for a particular circuit or assembly.
Before installing the Mersen Y300677, 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, dimensions, terminal arrangements and applicable approvals.
Typical Applications
- Industrial electrical control panels.
- Power distribution and protection assemblies.
- Machinery and production equipment.
- Automation and process-control systems.
- Motor-control and power-conversion equipment.
- Maintenance, repair and overhaul operations.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 1100 V | |
| Item number | Y300677 | |
| Catalogue No | A120UD72LI630 | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker Slotted Blades long | |
| EAN/UPC Code | 3605340332049 | |
| Rated voltage AC UL | 1200 V | |
| Rated voltage AC IEC | 1100 V | |
| Ampere Rating | 630 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 72 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 690 kA²s | |
| Melting I2t | 106.3 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 150 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Slotted Blades | |
| Product Width | 59 mm | |
| Product Length | 157.4 mm | |
| Product Height | 63 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.1699 kg | |
| Sell Pack Width | 150 mm | |
| Sell Pack Length | 190 mm | |
| Sell Pack Height | 70 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.7233 kg | |
| Power Dissipation at Rated Current Value | 125 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen Y300677?
The Mersen Y300677 is a manufacturer-referenced industrial electrical protection component intended for use with compatible Mersen equipment or assemblies.
What are the electrical ratings of the Y300677?
The exact current rating, voltage rating, operating class and breaking capacity should be confirmed from the original product label or current Mersen technical documentation.
How can compatibility be confirmed?
Compare the complete Y300677 reference, electrical ratings, physical dimensions, terminal arrangement and operating characteristics with the original component and equipment parts list.
Can a similar-looking component replace the Y300677?
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.
Who should install the Mersen Y300677?
Installation should be completed by a suitably qualified electrical professional in accordance with the equipment manufacturer’s instructions and applicable electrical safety requirements.
Designed for Professional Industrial Maintenance
Accurate manufacturer references and verified technical specifications are essential when selecting electrical protection components for industrial machinery, control panels and power-distribution equipment.
