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MERSEN FUSE 11 URD 72 PA 0630 PC72UD11C630PA
Fast-acting square body high-speed fuse with integrated striker and plain blades, rated 630A at 1100VAC IEC and 1200VAC UL, providing reliable semiconductor protection.
£155.62
Why Choose the Mersen N301220 Industrial Fuse-Link?
The Mersen N301220 is an industrial fuse-link designed to provide dependable overcurrent and short-circuit protection for compatible electrical equipment. Manufactured by Mersen, a recognised specialist in electrical protection, this fuse helps safeguard industrial machinery, power-control assemblies and automation systems against potentially damaging fault currents.
Industrial fuse-links interrupt excessive electrical current before it can cause extensive damage to cables, components and connected equipment. The Mersen N301220 is suitable for maintenance, replacement and original equipment applications where reliable circuit protection and consistent operating performance are required.
Before installation, the rated current, voltage rating, utilisation category, breaking capacity, dimensions and terminal configuration should be verified using the markings on the fuse or the latest official Mersen technical documentation. Correct fuse selection is essential because products with similar physical dimensions may provide significantly different electrical protection characteristics.
Key Advantages
- Dependable industrial overcurrent and short-circuit protection.
- Manufactured by the established Mersen electrical protection brand.
- Helps protect cables, components and connected industrial equipment.
- Suitable for maintenance, replacement and OEM applications.
- Designed for use with compatible fuse holders and electrical assemblies.
- Supports improved equipment reliability and reduced unplanned downtime.
Key Features
- Mersen industrial fuse-link.
- Item number: N301220.
- Designed for electrical circuit and equipment protection.
- Industrial-grade construction for dependable operation.
- Suitable for compatible power-control and automation systems.
- Helps isolate potentially damaging electrical fault currents.
- Suitable for planned maintenance and replacement programmes.
- Genuine Mersen electrical protection component.
Reliable Protection for Industrial Electrical Equipment
Industrial fuse-links protect electrical systems by opening the circuit when current exceeds their specified operating limits. A correctly selected fuse can restrict fault energy, protect downstream components and reduce the risk of extensive damage to machinery, control panels and power-distribution equipment.
When replacing the Mersen N301220, engineers should verify the complete product reference together with the current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal arrangement. Replacement based solely on physical appearance is not recommended because visually similar fuse-links may offer different operating characteristics.
Typical Applications
- Industrial control panels and electrical cabinets.
- Power distribution and switchgear assemblies.
- Motor-control and power-conversion equipment.
- Manufacturing and processing machinery.
- Industrial automation systems.
- OEM equipment and electrical maintenance programmes.
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 | N301220 | |
| Catalogue No | PC72UD11C630PA | |
| Description | Square Body High-Speed Fuse Protistor® Size 72 aR 1100VAC IEC 1200VAC UL 630A With Striker Plain Blades | |
| EAN/UPC Code | 3605340338348 | |
| 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 | Clip | |
| 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 | Plain Blades | |
| Product Width | 59 mm | |
| Product Length | 149.4 mm | |
| Product Height | 63 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.3298 kg | |
| Sell Pack Width | 160 mm | |
| Sell Pack Length | 202 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.7766 kg | |
| Power Dissipation at Rated Current Value | 125 W | |
| HS Code | 85351000 |
Frequently Asked Questions
What is the Mersen N301220 used for?
The Mersen N301220 is used to provide overcurrent and short-circuit protection within compatible industrial electrical equipment, control systems and power assemblies.
How can I confirm the electrical rating of the N301220?
Check the current rating, voltage rating, utilisation category and breaking capacity printed on the fuse-link or listed in the latest official Mersen technical documentation.
Can the N301220 be replaced with a different fuse?
A substitute should only be installed when its current rating, voltage rating, utilisation category, breaking capacity, dimensions and terminal arrangement match the original specification.
Where is the Mersen N301220 typically installed?
It may be installed in a compatible fuse holder, control panel, switchgear assembly or industrial equipment enclosure, subject to the equipment manufacturer's requirements.
Who should install or replace this fuse?
The fuse should be installed by a suitably qualified electrical professional after the equipment has been safely isolated and all required specifications have been verified.
Trusted Electrical Protection from Mersen
Mersen electrical protection products are used by industrial engineers, equipment manufacturers and maintenance professionals to support reliable operation across power distribution, machinery and automation applications.
