High-speed aR fuse with striker indication and open slot blades for reliable semiconductor protection in industrial applications.
£271.48
The Mersen H300226 is a professional-grade electrical protection component intended for use in compatible industrial power distribution, power conversion and machinery control equipment. Manufactured by Mersen, it supports dependable circuit protection in applications where accurate component selection and reliable electrical performance are essential.
The H300226 manufacturer reference enables engineers, panel builders, maintenance teams and purchasing departments to identify the required component precisely. Selecting the correct Mersen part helps preserve the original protection characteristics of the equipment and reduces the risk of problems caused by incompatible replacement components.
Before purchasing or installing the Mersen H300226, its voltage rating, current rating, utilisation category, terminal arrangement and physical dimensions should be checked against the existing component and the latest official Mersen documentation. Installation must only take place where the complete electrical and mechanical specifications match the application.
Correctly selected electrical protection components help limit the effects of short circuits and other abnormal electrical conditions. They can protect valuable machinery, power electronic devices, conductors and control equipment while supporting safer and more efficient maintenance.
The Mersen H300226 should be matched using its complete manufacturer reference and installed by a suitably qualified electrical professional. The system voltage, operating current, protection class, breaking capacity, mounting arrangement and environmental conditions must all be verified before the equipment is energised.
| Item number | H300226 |
|---|---|
| Catalogue No | PC33UD69V1250EF |
| Description | Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1250A With Striker Open Slot Blades |
| EAN/UPC Code | 3605340325256 |
| Rated voltage AC UL | 700 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 1250 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 33 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 2053 kA²s |
| Melting I2t | 355 kA²s |
| AC Max I.R./Breaking Capacity | I1: 200 kA |
| Design Details | Reinforced Terminal |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | Open Slot Blades |
| Product Width | 73 mm |
| Product Length | 126 mm |
| Product Height | 78.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 2.556 kg |
| Sell Pack Width | 160 mm |
| Sell Pack Length | 245 mm |
| Sell Pack Height | 100 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.852 kg |
| Power Dissipation at Rated Current Value | 180 W |
| HS Code | 85361090 |
The Mersen H300226 is an electrical protection component intended for use in compatible industrial power, machinery and electrical control equipment.
Compare the complete H300226 part number, electrical ratings, terminal configuration and dimensions with the existing component and official Mersen documentation.
It may be used as a replacement where the original equipment documentation specifies the same Mersen reference and matching electrical and mechanical characteristics.
Confirm the rated voltage, rated current, protection category, breaking capacity, terminal arrangement, dimensions and operating environment before installation.
The component should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical regulations.
Mersen electrical protection products are used by engineers, panel builders, equipment manufacturers and maintenance professionals to support dependable operation in industrial power and control systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...