IEEE C37.48c-1991
IEEE Guide for Application of Expulsion Fuses in Enclosures (Supplement to C37.48-1987)
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- Language: English
- License Type: Single User
- Updates: Not Included
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- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
IEEE C37.48c-1991 is a technical guide for applying expulsion fuses in enclosures, with a focus on power, energy, and industry applications. It addresses how these fuse arrangements may be used in enclosed equipment where installation details, ventilation, clearances, and operating conditions can affect performance and safety. For engineers, specifiers, and maintenance teams, the document helps support more consistent selection and application of enclosed expulsion fuse systems.
Overview of IEEE C37.48c-1991
IEEE C37.48c-1991 provides guidance on the application of expulsion fuses when they are installed in enclosures, supplementing the broader C37.48 series. Its purpose is to help users understand the technical considerations involved in enclosed installations, where enclosure design can influence thermal behavior, accessibility, and overall operating reliability. This makes the standard relevant to electrical equipment used in utility and industrial power systems, especially where fuse protection is part of the equipment design.
Typical use cases
This standard is commonly consulted when specifying or reviewing enclosed fuse installations for distribution equipment, switchgear-related assemblies, and other power apparatus using expulsion fuse protection. It may also be used during equipment design, procurement, and field maintenance when enclosure configuration affects fuse application. In practice, IEEE C37.48c-1991 can support engineering decisions for systems that need coordinated protection, safe service access, and appropriate installation practices in energy and industrial environments.
Why it matters
Using IEEE C37.48c-1991 can help improve consistency in how expulsion fuses are applied within enclosures, which matters for safety, reliability, and maintainability. Clear guidance can reduce installation errors, support better design control, and help align equipment choices with expected operating conditions. For organizations working on compliance, testing, or procurement, the standard provides a practical reference for evaluating whether an enclosed fuse application is suitable for the intended electrical duty.
- Guidance for enclosed expulsion fuse applications
- Relevant to power and industrial electrical systems
- Supports design and installation review
- Useful for safety and performance consistency
- Superseded IEEE standard in English
- Publication Date: 1992
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
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