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MERSEN FUSE 6,9 URD 33 D08 A 0630 6,9URD33D08A0630
High-speed fuse designed for semiconductor protection with integrated striker indication and DIN 80 blade terminals, rated for 630A at 690VAC IEC and 700VAC UL.
£112.33
Why Choose the Mersen J300250 Industrial Circuit Protection Component?
The Mersen J300250 is a professional industrial circuit protection component intended for use in compatible electrical power distribution, control and equipment protection assemblies. Manufactured by Mersen, it is suitable for maintenance, replacement and OEM applications where accurate component identification and reliable electrical performance are essential.
Mersen specialises in fuse systems, fuse holders and associated electrical protection products for industrial machinery, switchgear, power electronics and energy infrastructure. The unique J300250 manufacturer part number helps engineers, panel builders and procurement professionals identify the required component when maintaining compatible Mersen equipment.
Detailed public technical specifications for the J300250 could not be confirmed. Its precise product type, rated current, rated voltage, operating class, breaking capacity, dimensions and terminal arrangement should therefore be checked against the original component, equipment documentation or official Mersen technical data before purchase or installation.
Key Advantages
- Genuine Mersen industrial circuit protection component.
- Clearly identified by manufacturer part number J300250.
- Suitable for maintenance, repair, replacement and OEM requirements.
- Designed for use in compatible industrial electrical assemblies.
- Supports accurate identification of the required replacement component.
- Manufactured by an established electrical protection specialist.
Key Features
- Mersen J300250 electrical protection product.
- Designed for professional industrial electrical applications.
- Manufacturer-specific identification supports accurate component selection.
- Suitable for compatible power distribution and protection equipment.
- Professional-grade component for demanding electrical environments.
- Suitable for OEM, panel-building and maintenance applications.
- Intended for use with correctly matched Mersen equipment.
- Installation should be undertaken by qualified electrical personnel.
Dependable Support for Industrial Electrical Systems
Correctly specified circuit protection components help maintain the safety, availability and reliability of industrial electrical equipment. They form part of a coordinated protection system intended to isolate electrical faults, limit damaging fault energy and reduce the risk of damage to connected machinery and electrical infrastructure.
The Mersen J300250 should only be installed where its electrical characteristics, operating performance, physical format and terminal arrangement match the original equipment specification. Selection should be based on verified manufacturer information rather than visual similarity or part-number sequence alone.
Typical Applications
- Industrial electrical control panels.
- Power distribution equipment.
- Switchgear and circuit protection assemblies.
- Industrial machinery and automation systems.
- Power conversion equipment.
- OEM electrical assemblies.
- Maintenance, repair and replacement projects.
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 | J300250 | |
| Catalogue No | PC33UD69V630A | |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 630A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340325737 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 630 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 33 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 230 kA²s | |
| Melting I2t | 40 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 | 120 W | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen J300250 used for?
The Mersen J300250 is an industrial electrical protection component intended for use in compatible power distribution, control or equipment protection assemblies.
Can the J300250 replace another Mersen component?
It should only replace a component with matching manufacturer identification, electrical ratings, operating characteristics, dimensions and terminal requirements. Compatibility must be verified before installation.
Which specifications should be checked before ordering?
Confirm the precise product type, rated current, rated voltage, operating class, breaking capacity, dimensions, mounting arrangement and equipment compatibility.
Are complete specifications available for the J300250?
Detailed public specifications could not be confirmed. Check the original component label, equipment documentation or official Mersen technical information before ordering.
Who should install the Mersen J300250?
Installation or replacement should be completed by a qualified electrical professional following the equipment manufacturer's instructions and applicable electrical safety procedures.
Trusted Industrial Electrical Protection
Mersen electrical protection products are selected by engineers, panel builders and maintenance professionals to support safe and dependable operation across demanding industrial electrical applications.
