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MERSEN FUSE A 070 URD 33 LI 0630 A070URD33LI0630

MERSEN FUSE A 070 URD 33 LI 0630 A070URD33LI0630

The A070UD33LI630 provides rapid, reliable protection for sensitive power semiconductor devices, ensuring minimal let-through energy and exceptional current-limiting performance up to 690VAC IEC and 700VAC UL at 630A. Its square body design, enhanced with striker and slotted long blades, facilitates secure, vibration-resistant installation and easy fuse condition monitoring.

SKU: M300230Alt SKU: A070UD33LI630MPN: M300230
Price
List Price £198.04 ex VAT
Your Price (ex VAT)
£198.04
Manufacturer Lead Time Please contact us for a delivery time before you order
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Manufacturer Lead Time

Sold in packs of 3

£198.04

Why Choose the Mersen M300230 Industrial Electrical Component?

The Mersen M300230 is a professional industrial electrical component identified by manufacturer reference M300230. 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 avoiding the installation of an unsuitable replacement. Ordering with the complete Mersen M300230 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, voltage rating, current rating, 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 M300230.
  • 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.
  • M300230 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 M300230 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 obsolete 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

Item number M300230
Catalogue No A070UD33LI630
Description Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 630A With Striker Slotted Blades long
EAN/UPC Code 3605340325331
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 Slotted Blades
Product Width 73 mm
Product Length 153 mm
Product Height 78.5 mm
Sell Pack Quantity 3 EA
Sell Pack Weight 2.6298 kg
Sell Pack Width 160 mm
Sell Pack Length 250 mm
Sell Pack Height 90 mm
Product group Semiconductor Protection Fuses
Body/Insulating Material Ceramic
Product Weight 0.8766 kg
Power Dissipation at Rated Current Value 120 W
HS Code 85361090
Fuse Type Semiconductor
Fuse Class aR
Voltage 690 V

Frequently Asked Questions

What is the Mersen M300230?

The Mersen M300230 is an industrial electrical component identified by Mersen manufacturer reference M300230 for use with correctly matched electrical protection, distribution or control equipment.

Can the Mersen M300230 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 M300230 is compatible with my equipment?

Compare the full M300230 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, operating or protection 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 M300230?

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.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

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