IEEE C37.60-1981

IEEE C37.60-1981 defines requirements for overhead, pad mounted, dry vault, and submersible automatic circuit reclosers and fault interrupters used on AC systems. It is relevant to power distribution equipment where interrupting and restoring service must be controlled and predictable. This technical document helps set expectations for construction, ratings, and performance so utilities and equipment specifiers can compare products more consistently and reduce uncertainty during procurement and application.

What is IEEE C37.60-1981?

IEEE C37.60-1981 is a standards document focused on automatic circuit reclosers and fault interrupters for AC systems, including several installation forms such as overhead, pad mounted, dry vault, and submersible units. Its purpose is to define requirements that support consistent design and evaluation of these devices. In practical terms, it provides a reference for features, operating behavior, and related technical expectations that may be used when selecting equipment for distribution circuits and protective switching applications.

Where is IEEE C37.60-1981 used?

This standard is typically used in electric power distribution environments where automatic reclosers and fault interrupters help isolate temporary or persistent faults. It is especially relevant for overhead feeders, underground vault installations, pad mounted equipment, and submersible applications that serve AC systems. Engineers, utilities, and procurement teams may use IEEE C37.60-1981 when specifying protective switching devices for networked distribution assets, maintenance planning, or equipment comparison in power, energy, and industry applications.

Why is IEEE C37.60-1981 important?

IEEE C37.60-1981 matters because it supports clearer technical requirements for equipment that must operate reliably under fault conditions. For these devices, consistent design and testing expectations can reduce risk, improve interchangeability, and simplify specification reviews. It also helps align performance and construction criteria across different installation types, which is important when comparing products for compliance, safety, and operational suitability. For buyers and engineers, the standard provides a common basis for evaluating reclosers and fault interrupters.

• Automatic circuit reclosers
• Fault interrupters for AC systems
• Overhead, pad mounted, dry vault, and submersible forms
• Distribution equipment requirements
• Performance and compliance reference