R079894

Overview

The Mersen R079894 is a Protistor gRB high-speed cylindrical fuse link designed for DC applications. It features a 20 x 127 mm form factor with a current rating of 1 A and a voltage rating of 1500 VDC. This fast-acting, full-range fuse provides protection for auxiliaries and control circuits in semiconductor environments.

Feature Summary

• Specially developed for DC applications
• Fast-acting, full-range protection capability
• Cylindrical gRB design for auxiliary and control circuit protection

Applications

• Protection of auxiliaries in DC systems
• Control circuit protection
• Semiconductor fuse applications

Procurement Notes

Verify the specific catalog number R079894 against official Mersen documentation to confirm compatibility with your DC system requirements. Ensure the 1 A current and 1500 VDC ratings match your circuit parameters before procurement.

Selection Notes

Select this component when high-speed interruption is required for DC auxiliary or control circuits. The 20x127mm size and gRB classification are critical for fitting existing fuse holders and meeting regulatory standards for semiconductor protection.

Part Context

This part belongs to the Mersen Protistor series, which specializes in high-performance fuses for industrial and electrical applications. The gRB designation indicates its suitability for protecting semiconductor devices and associated control infrastructure in demanding DC environments.

Replacement Considerations

Cross-reference with Ferraz Shawmut equivalents if necessary, but verify physical dimensions and breaking capacity. Ensure any substitute maintains the 1500 VDC rating and 1 A current specification for safe operation.