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High-speed Protistor® fuse with 500A rating at 1200VDC, featuring integrated striker for remote fault indication and bolted copper L bracket terminals.
£985.10
The Mersen P077983 is a genuine Mersen industrial electrical component intended for use in professional electrical protection, power distribution and industrial maintenance applications. Manufactured under the established Mersen brand, this product is suited to engineers, panel builders and maintenance teams seeking an authentic replacement component identified by manufacturer reference P077983.
Selecting the correct manufacturer reference is essential when replacing electrical protection equipment or associated components. Using the genuine Mersen P077983 helps support compatibility with the original installation while reducing the risks associated with incorrectly specified or non-approved alternatives.
The P077983 is suitable for industrial replacement, repair and maintenance requirements where this exact Mersen reference has been specified. Electrical characteristics, dimensions and installation compatibility should always be confirmed against the existing component, equipment documentation or the latest Mersen technical data before installation.
Correct product identification is particularly important in industrial electrical installations, where components may have application-specific ratings, physical dimensions and connection arrangements. Matching the complete Mersen reference helps engineers select the appropriate product for an existing system.
Before fitting the Mersen P077983, users should verify all relevant electrical ratings, mounting requirements, dimensions and equipment compatibility. Installation should be completed with the circuit safely isolated and in accordance with applicable electrical regulations and manufacturer instructions.
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | 2x72 mm | |
| Fuse Class | aR | |
| Voltage | 1200 V | |
| Item number | P077983 | |
| Catalogue No | D272SG120V500QF | |
| Description | Square Body High-Speed Fuse Protistor® Size 2x72 aR 1200VDC IEC 500A With Striker | |
| EAN/UPC Code | 3605340026856 | |
| Rated voltage DC IEC | 1200 V | |
| Ampere Rating | 500 A | |
| RoHS Compliant | Yes | |
| AC or DC | DC | |
| Speed/Characteristic | aR | |
| Fuse Size | 2x72 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 180 kA²s | |
| Melting I2t | 32.7 kA²s | |
| Max. Rated Breaking Capacity DC | 100 kA | |
| Design Details | SRG | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Copper | |
| Connection/Terminal Type | L Brackets | |
| Product Width | 60 mm | |
| Product Length | 163 mm | |
| Product Height | 162.7 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 2.4 kg | |
| Sell Pack Width | 170 mm | |
| Sell Pack Length | 200 mm | |
| Sell Pack Height | 90 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 2.4 kg | |
| Power Dissipation at Rated Current Value | 202 W | |
| HS Code | 85351000 | |
| Country of Manufacture | France |
The Mersen P077983 is an industrial electrical product identified by the manufacturer reference P077983. Its complete specification should be confirmed against the existing component or current Mersen documentation.
Check the full reference printed on the existing component and compare its electrical ratings, dimensions, mounting arrangement and connection type with the required replacement specification.
It may be suitable as a direct replacement where the original equipment specifies the exact reference P077983. Compatibility should be verified before installation.
The product should be installed by a suitably qualified electrical professional following safe isolation procedures, applicable regulations and manufacturer instructions.
The complete reference identifies the specific product variant and helps prevent the selection of a component with incorrect ratings, dimensions or connection arrangements.
Mersen products are widely specified by electrical engineers, panel builders, OEMs and industrial maintenance professionals for dependable electrical protection and power management applications.
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