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British Standard fuse-link Protistor® 17×49 aR 690VAC IEC 80A designed for semiconductor protection in industrial applications.
£12.52
The Mersen S221253 is a specialist industrial electrical protection component identified by the manufacturer reference S221253. It is intended for professional maintenance, repair and replacement applications where this exact Mersen part number is specified for compatible electrical equipment.
Mersen develops circuit protection and power management products for industrial machinery, power distribution, automation and power electronic systems. Selecting the correct manufacturer reference helps engineers, panel builders and maintenance teams maintain the original equipment specification while reducing the risk of installing an unsuitable substitute.
The complete electrical and mechanical specifications of the Mersen S221253 should be checked against the original component, equipment manual, approved bill of materials or official Mersen technical documentation before ordering or installation. The current rating, voltage rating, operating characteristic, dimensions and mounting arrangement must correspond with the requirements of the intended system.
Electrical protection components help safeguard circuits, machinery and connected equipment against potentially damaging fault conditions. Correct product selection is essential because the electrical ratings, operating characteristics and physical configuration must match the requirements of the protected circuit.
The Mersen S221253 should only be installed where its complete specification corresponds with the intended equipment. Engineers should inspect the original component markings and consult approved technical documentation before installation, energisation or commissioning.
Tick the specs you need, then view products that match.
| Fuse Type | Semiconductor | |
|---|---|---|
| Fuse Size | 17x49 mm | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | S221253 | |
| Catalogue No | BS17UY69V80 | |
| Description | British Standard fuse-link Protistor® 17x49 aR 690VAC IEC 80A | |
| EAN/UPC Code | 3605340251555 | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 80 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 17x49 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2450 A²s | |
| Melting I2t | 390 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Diameter | 18.5 mm | |
| Product Length | 77.2 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.35 kg | |
| Sell Pack Width | 100 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 25 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.035 kg | |
| Power Dissipation at Rated Current Value | 25.5 W | |
| HS Code | 85361090 |
The Mersen S221253 is an industrial electrical protection component identified by the manufacturer reference S221253 for use with compatible electrical equipment.
Yes. S221253 is the manufacturer reference used to identify this Mersen product.
It may be used as a replacement where the equipment documentation specifies the same part number and matching electrical, dimensional and mounting characteristics.
Compatibility should be checked against the original component markings, equipment manual, approved bill of materials or official Mersen technical documentation.
The component should be selected and installed by a suitably qualified electrical professional in accordance with applicable regulations and manufacturer instructions.
Mersen electrical protection products are selected by engineers, panel builders and maintenance professionals to support reliable circuit protection, accurate component replacement and dependable operation in demanding electrical systems.
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