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MERSEN FUSE 6,9 URD 33 D08 A 0900 6,9URD33D08A0900
High-speed Protistor® fuse designed for power semiconductor protection with 900A rating, 690VAC IEC and 700VAC UL voltage ratings, featuring DIN 80 blades and striker indication system.
£139.07
Why Choose the Mersen M300253 Industrial Electrical Component?
The Mersen M300253 is a professional industrial electrical component identified by manufacturer reference M300253. It is intended for use with correctly matched Mersen electrical protection, power distribution or control equipment in maintenance, replacement and original equipment applications.
Accurate component selection is essential for maintaining electrical system reliability, reducing maintenance delays and preventing the installation of an unsuitable replacement. Ordering with the complete Mersen M300253 reference helps maintenance engineers, panel builders and procurement teams manage purchasing, scheduled servicing and engineering inventories more effectively.
Before ordering or installation, the exact product type, rated voltage, rated current, operating characteristics, connection arrangement, physical dimensions and mounting configuration should be verified against the original component, equipment documentation or current Mersen technical data.
Key Advantages
- Manufactured by Mersen, a specialist in electrical power management and protection.
- Clearly identified by manufacturer reference M300253.
- Suitable for professional maintenance, replacement and OEM requirements.
- Supports accurate component procurement and engineering stock management.
- Designed for use with correctly matched industrial electrical equipment.
- Suitable for demanding professional electrical environments.
Key Features
- Mersen industrial electrical product.
- M300253 manufacturer part number.
- Intended for compatible electrical protection and power distribution systems.
- Suitable for professional electrical engineering applications.
- Useful for maintenance, repair and operations inventories.
- Supports like-for-like replacement when all specifications are correctly matched.
- Manufacturer-specific identification helps reduce procurement errors.
- Suitable for panel-building, machinery and OEM applications.
Reliable Component Selection for Industrial Systems
Industrial electrical systems depend on components with correctly matched electrical, mechanical and performance characteristics. Products that appear visually similar may have different voltage ratings, current ratings, protection classes, terminal arrangements or installation dimensions.
Using the complete Mersen M300253 reference during procurement helps identify the required component, but the part number alone should not replace a full technical compatibility check. All relevant specifications should be confirmed before installation, particularly when replacing an older component or servicing safety-critical equipment.
Typical Applications
- Industrial electrical control panels.
- Power distribution equipment.
- Electrical and circuit protection assemblies.
- Manufacturing and production machinery.
- Original equipment manufacturing.
- Electrical maintenance and repair operations.
- Engineering spares and replacement-parts inventories.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | M300253 | |
| Catalogue No | PC33UD69V900A | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 900A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340325799 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 900 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 770 kA²s | |
| Melting I2t | 130 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 | DIN 80 Blades | |
| Product Width | 73 mm | |
| Product Length | 110 mm | |
| Product Height | 78.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 2.4369 kg | |
| Sell Pack Width | 145 mm | |
| Sell Pack Length | 250 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.8123 kg | |
| Power Dissipation at Rated Current Value | 135 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen M300253?
The Mersen M300253 is an industrial electrical component identified by Mersen manufacturer reference M300253 for use with correctly matched electrical protection, distribution or control equipment.
Can the Mersen M300253 be used as a replacement component?
It may be suitable as a replacement when the complete manufacturer reference, product type, electrical ratings, operating characteristics, dimensions and connection arrangement match the original part.
How do I confirm that M300253 is compatible with my equipment?
Compare the full M300253 reference and all product markings with the existing component, equipment manual, electrical drawings and current Mersen technical documentation.
Should the electrical ratings be checked before ordering?
Yes. The rated voltage, rated current, protection or operating class and other electrical characteristics must be appropriate for the circuit and equipment in which the component will be installed.
Who should install the Mersen M300253?
Selection and installation should be completed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical safety requirements.
Trusted Electrical Expertise from Mersen
Mersen products are used by electrical engineers, panel builders, equipment manufacturers and maintenance professionals in industrial power management and electrical protection applications.
