IEEE C37.46-2000
Limiting Type Power Class Fuses and Fuse Disconnecting Switches
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About This Item
C37.46-2000 is a technical standard for limiting type power class fuses and fuse disconnecting switches, addressing equipment used in power, energy, and related industrial applications. It provides a focused framework for the design, rating, and practical use of these protective devices, helping support consistent performance in systems where interruption and isolation must be controlled carefully. For engineers, buyers, and specifiers, it serves as a reference point for matching equipment to expected operating conditions.
What is C37.46-2000?
C37.46-2000 defines requirements and guidance for limiting type power class fuses and fuse disconnecting switches, which are used to protect and isolate electrical circuits. The standard is relevant to devices intended for power-system duty, where current-limiting behavior and dependable switching characteristics are important. By setting a common technical basis, it helps manufacturers, users, and evaluators compare equipment more consistently and apply it appropriately in electrical distribution and protection applications.
Where is C37.46-2000 used?
This standard is typically used in power distribution equipment, industrial electrical assemblies, and utility-related installations that rely on fuse protection and disconnecting means. It is especially useful where limiting type power class fuses are selected to reduce fault-current effects and where fuse disconnecting switches are part of the operating or maintenance workflow. C37.46-2000 is also relevant to specification, procurement, and compliance review for equipment built for controlled isolation and protection.
Why is C37.46-2000 important?
C37.46-2000 matters because it helps bring consistency to the selection and application of protective devices in power systems. Clear technical requirements support safer design choices, more reliable equipment comparison, and better alignment between product capability and system duty. In practice, that can reduce risk during fault conditions, improve coordination with other protective elements, and make compliance reviews and procurement decisions more straightforward for engineers and purchasing teams.
- Limiting type power class fuses
- Fuse disconnecting switches
- Power-system protection and isolation
- Equipment rating and performance reference
- Industrial and utility electrical applications
- Publication Date: 2000
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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