Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
High-speed Protistor® Size 31 fuse with 200A rating, 690VAC IEC / 700VAC UL, featuring striker indication and slotted blade terminals for semiconductor protection.
£68.24
The Mersen S300028 is an industrial electrical protection component identified by the manufacturer reference S300028. It is intended for use within a compatible Mersen fuse, power distribution or electrical protection assembly where accurate component identification and dependable system compatibility are essential.
Mersen electrical protection products are commonly specified for industrial machinery, automation equipment, motor control systems and power distribution installations. Selecting the correct manufacturer reference helps preserve the electrical performance, mechanical fit and protection coordination required by the original equipment design.
The exact electrical ratings and mechanical configuration of the S300028 should be verified from the product label, original equipment documentation or an authorised Mersen technical source before ordering. Installers should confirm the voltage rating, current rating, dimensions, mounting arrangement and connection type for the intended application.
Correctly selected electrical protection components help reduce the risk of 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 S300028 should only be installed where its manufacturer reference and technical characteristics correspond with the approved equipment specification. Components that appear physically similar may have different electrical ratings or operating characteristics and should not be treated as interchangeable without verification.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | S300028 | |
| Catalogue No | A070UD31KI200 | |
| Description | Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 200A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340322521 | |
| 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 | 31 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 15000 A²s | |
| Melting I2t | 2600 A²s | |
| 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 | 51 mm | |
| Product Length | 129 mm | |
| Product Height | 56.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.203 kg | |
| Sell Pack Width | 157 mm | |
| Sell Pack Length | 166 mm | |
| Sell Pack Height | 62 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.401 kg | |
| Power Dissipation at Rated Current Value | 45 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
The Mersen S300028 is intended for use within a compatible industrial electrical protection assembly. Its precise function should be confirmed against the original equipment documentation.
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.
Depending on the approved system specification, it may be installed in compatible electrical panels, industrial machinery, automation equipment or power protection assemblies.
Check the complete part number, product label, voltage and current requirements, physical dimensions, mounting arrangement and connection type against the relevant equipment documentation.
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical safety requirements.
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.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.