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MERSEN FUSE A 070 URD 30 LI 0200 A070URD30LI0200
High-speed aR characteristic fuse designed for semiconductor protection with robust ceramic body and striker with slotted blades. Rated 690VAC IEC, 700VAC UL, 200A.
£100.77
Why Choose the Mersen S300143 Electrical Protection Component?
The Mersen S300143 is an industrial electrical protection component intended for use within a compatible Mersen fuse, power distribution or protection assembly. It is suitable for professional maintenance, replacement and OEM applications where precise component identification and reliable system compatibility are essential.
Mersen electrical protection products are used across industrial machinery, automation, motor control, power conversion and electrical distribution systems. Selecting the exact S300143 manufacturer reference helps preserve the mechanical fit, electrical performance and protection coordination specified for the original equipment.
Before ordering or installing the Mersen S300143, its exact product type, electrical ratings, dimensions, mounting method and connection arrangement should be verified against the original component, equipment manual or official Mersen documentation. Components with a similar appearance may have different operating characteristics and should not be considered interchangeable without confirmation.
Key Advantages
- Designed for use within compatible Mersen electrical protection systems.
- Suitable for industrial maintenance, replacement and OEM requirements.
- Helps preserve the approved configuration of the original equipment.
- Supports dependable operation in demanding industrial environments.
- Suitable for machinery, automation and power distribution equipment.
- Clearly identified by the Mersen reference S300143.
Key Features
- Mersen electrical protection technology.
- Manufacturer reference: S300143.
- Designed for professional industrial installation.
- Suitable for compatible fuse and electrical protection assemblies.
- Supports equipment servicing and component replacement.
- Intended for dependable operation in industrial electrical systems.
- Suitable for control panels, machinery and power equipment.
- Requires verification against the original equipment specification.
Reliable Protection for Industrial Electrical Systems
Correctly selected electrical protection components help reduce the risk of equipment damage caused by overloads, short circuits and other abnormal electrical conditions. They also support effective fault isolation, safer maintenance and improved continuity of operation within industrial machinery and power systems.
The Mersen S300143 should only be installed where its manufacturer reference and technical characteristics correspond with the approved equipment specification. The voltage rating, current rating, physical dimensions, mounting arrangement and connection type should always be checked before replacing an existing component.
Typical Applications
- Industrial electrical control panels.
- Manufacturing machinery and automation equipment.
- Power distribution and conversion systems.
- Motor control and variable speed drive installations.
- OEM electrical protection assemblies.
- Industrial maintenance and replacement programmes.
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 | S300143 | |
| Catalogue No | A070UD30LI200 | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 200A With Striker Slotted Blades long | |
| EAN/UPC Code | 3605340323887 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 200 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 16.7 kA²s | |
| Melting I2t | 3 kA²s | |
| 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 | 40 mm | |
| Product Length | 148.6 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.9639 kg | |
| Sell Pack Width | 133 mm | |
| Sell Pack Length | 157 mm | |
| Sell Pack Height | 54 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.3213 kg | |
| Power Dissipation at Rated Current Value | 43 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen S300143 used for?
The Mersen S300143 is intended for use within a compatible industrial electrical protection assembly. Its precise function should be confirmed against the original equipment documentation or official Mersen technical information.
Can the S300143 be used as a direct replacement?
It should only be used as a direct replacement when the complete manufacturer reference, electrical ratings, dimensions, mounting method and connection arrangement match the original component.
Where might the Mersen S300143 be installed?
Depending on the approved system specification, it may be installed in compatible electrical panels, industrial machinery, automation equipment or power protection assemblies.
What should be checked before ordering the S300143?
Check the complete part number, product label, voltage and current requirements, physical dimensions, mounting arrangement and connection type against the relevant equipment documentation.
Who should install the Mersen S300143?
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical safety requirements.
Trusted Electrical Protection for Industrial Equipment
Mersen electrical protection technologies are widely specified by panel builders, maintenance engineers and equipment manufacturers for dependable performance in industrial distribution, automation and machinery applications.
