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MERSEN FUSE A 070 URD 33 KI 0800 A070URD33KI0800
High-speed Protistor® Size 33 fuse with aR characteristic, 800A rating, 690VAC IEC and 700VAC UL voltage ratings, featuring striker indication and slotted blade terminals for bolted mounting.
£136.89
Why Choose the Mersen A300242 Electrical Protection Component?
The Mersen A300242 is an industrial electrical protection component identified by the manufacturer reference A300242. This unique part number helps engineers, maintenance teams and purchasing professionals identify the required component when servicing electrical distribution, industrial automation, motor control or power conversion equipment.
Correct product identification is especially important for electrical protection devices because components with a similar appearance may have significantly different current ratings, voltage ratings, operating characteristics, breaking capacities or terminal arrangements. Using the correct Mersen reference helps maintain the intended protection and performance of the associated equipment.
Product-specific technical data for the Mersen A300242 could not be verified from publicly accessible manufacturer documentation. Its exact product family, catalogue designation and electrical ratings should therefore be confirmed from the original component markings, the equipment parts list or an authorised Mersen technical source before purchase or installation.
Key Advantages
- Genuine Mersen industrial electrical component.
- Manufacturer reference A300242 supports accurate product identification.
- Suitable for maintenance, replacement and OEM procurement requirements.
- Helps simplify spare-parts management and stock control.
- Intended for use in compatible professional electrical equipment.
- Supports dependable system maintenance when correctly specified.
Key Features
- Manufacturer: Mersen.
- Manufacturer reference: A300242.
- Industrial electrical protection component.
- Suitable for maintenance and replacement applications.
- Manufacturer-specific identification assists procurement accuracy.
- Complete technical compatibility must be verified before installation.
Accurate Component Selection for Electrical Systems
Replacement electrical protection components must be selected according to their complete technical specification rather than their physical appearance alone. Rated current, rated voltage, utilisation category, time-current performance, breaking capacity and mounting arrangement can all determine whether a component is suitable for a particular installation.
Before installing the Mersen A300242, compare every marking on the existing component with the equipment manual, electrical drawings and bill of materials. Electrical isolation, installation and testing should only be completed by a suitably qualified professional.
Typical Applications
- Industrial electrical equipment maintenance.
- Control panels and switchgear assemblies.
- Power distribution equipment.
- Motor control and industrial automation systems.
- Power conversion and production machinery.
- OEM replacement and spare-parts inventories.
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 | A300242 | |
| Catalogue No | A070UD33KI800 | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340325577 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 800 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 540 kA²s | |
| Melting I2t | 93 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 Copper | |
| Connection/Terminal Type | Slotted Blades | |
| Product Width | 73 mm | |
| Product Length | 134 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.5353 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 245 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.8451 kg | |
| Power Dissipation at Rated Current Value | 130 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen A300242?
The A300242 is a manufacturer-specific Mersen reference for an industrial electrical protection component. Its exact product family and technical ratings should be confirmed from official documentation or the markings on the original component.
Can the Mersen A300242 be used as a direct replacement?
It should only be used as a direct replacement after confirming that the complete part number, electrical ratings, operating characteristic, dimensions and terminal arrangement match the original component.
What are the current and voltage ratings of the A300242?
Verified product-specific current and voltage ratings were not found in publicly accessible manufacturer information. Check the product label, equipment documentation or an authorised Mersen technical source before ordering.
How can compatibility be confirmed?
Compare the complete manufacturer reference and every technical marking with the original component, equipment manual, electrical drawings and bill of materials.
Who should install the Mersen A300242?
Installation should be carried out by a qualified electrical professional in accordance with the equipment documentation, applicable electrical regulations and site safety procedures.
Trusted Electrical Protection Expertise
Correctly specified electrical protection components help maintain equipment reliability, minimise the risk of damage and support safe industrial operation.
