Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE A 070 URD 31 KI 0450 A070URD31KI0450
High-speed Protistor® fuse offering reliable short-circuit protection for industrial applications, rated 450A at up to 690VAC IEC and 700VAC UL, with striker indication and slotted blade connections.
£93.27
Why Choose the Mersen X300032 Industrial Electrical Component?
The Mersen X300032 is a genuine Mersen industrial electrical component identified by the manufacturer reference X300032. It is intended for maintenance, repair or replacement within compatible electrical equipment, machinery and power distribution assemblies.
Sourcing specialist components by their exact manufacturer reference helps engineers, maintenance professionals and purchasing teams reduce identification errors. The X300032 reference can be compared with the existing component, equipment manual, technical drawing or approved bill of materials before an order is placed.
Detailed public specifications for the Mersen X300032 could not be reliably verified. Its precise product type, electrical ratings, dimensions, connection arrangement and equipment compatibility should therefore be confirmed using the original component label, authorised Mersen documentation or information supplied by the original equipment manufacturer.
Key Advantages
- Genuine Mersen industrial electrical component.
- Distinct X300032 manufacturer reference supports accurate identification.
- Suitable for industrial maintenance, repair and replacement requirements.
- Helps reduce the risk of ordering an incorrectly matched component.
- Supports organised stock control and preventative maintenance.
- Suitable for procurement by engineers, panel builders and maintenance teams.
Key Features
- Mersen manufacturer reference X300032.
- Intended for use within compatible industrial electrical equipment.
- Suitable for planned maintenance and operational replacement.
- Manufacturer-specific identification supports reliable procurement.
- Can be recorded within equipment inventories and bills of materials.
- Supports industrial equipment repair and continued operation.
- Intended for installation by suitably qualified personnel.
- Full technical compatibility must be verified before installation.
Reliable Component Selection for Industrial Equipment
Industrial electrical systems depend on correctly specified components for safe and dependable operation. Components that appear physically similar may have different current ratings, voltage ratings, connection arrangements or operating characteristics, making exact manufacturer-reference identification essential.
The Mersen X300032 reference allows maintenance professionals to compare the required component with service records, equipment documentation and the original installation. Before replacement work begins, the equipment should be safely isolated and all relevant specifications should be checked in accordance with the manufacturer’s instructions, site procedures and applicable electrical regulations.
Typical Applications
- Industrial electrical equipment maintenance.
- Control panel and switchboard servicing.
- Replacement of an existing Mersen X300032 component.
- Factory automation equipment repairs.
- Electrical power distribution system maintenance.
- OEM machinery and specialist industrial assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | X300032 | |
| Catalogue No | A070UD31KI450 | |
| Description | Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 450A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340322569 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 450 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 31 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 155000 A²s | |
| Melting I2t | 26500 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 | 70 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen X300032 used for?
The Mersen X300032 is an industrial electrical component intended for use within compatible equipment or assemblies. Its exact function should be confirmed using the original component or authorised equipment documentation.
How can I confirm that the X300032 is the correct replacement?
Compare the X300032 reference with the existing component, equipment manual, technical drawing or approved bill of materials before ordering.
What are the electrical ratings of the Mersen X300032?
The rated current, voltage and operating characteristics should be verified using the product label, authorised Mersen documentation or information supplied by the original equipment manufacturer.
Can an alternative component replace the Mersen X300032?
An alternative should only be installed when its electrical, mechanical and safety characteristics have been confirmed as fully compatible by a qualified engineer or the equipment manufacturer.
Who should install the Mersen X300032?
The component should be installed by a suitably qualified electrical professional following the equipment instructions, site isolation procedures and applicable safety regulations.
Trusted Industrial Electrical Expertise
Mersen products support industrial electrical applications where accurate component identification, dependable maintenance and responsible replacement-part selection are essential.
