IEEE C37.14-1992

C37.14-1992 is a standard for voltage DC power circuit breakers used in enclosures, providing technical guidance for equipment intended to interrupt and control direct-current power circuits. In the power, energy, and industry applications context, it helps define expectations for design, ratings, and dependable operation where enclosed breaker assemblies are used. This makes C37.14-1992 relevant to procurement, engineering review, and specification work involving DC switching and protection equipment.

Overview of C37.14-1992

This technical document addresses enclosed voltage DC power circuit breakers and the conditions under which they are applied. It is generally used to support consistent equipment selection and to align breaker characteristics with the demands of DC power systems. By focusing on enclosed installations, C37.14-1992 helps frame the requirements that matter for interruption performance, construction, and service suitability. For buyers and engineers, it provides a clearer reference point when comparing products or checking compliance.

Typical use cases

The standard is typically relevant in DC power installations where enclosed circuit breakers are used for protection and control. These may include industrial power distribution panels, utility-related DC control systems, and other energy applications that rely on enclosed breaker equipment. C37.14-1992 may also be useful during specification development, equipment comparison, and acceptance testing when the goal is to match breaker design to a defined DC application and enclosure arrangement.

Why it matters

For organizations working with DC breaker equipment, C37.14-1992 helps reduce ambiguity in design and procurement. A clear standard supports safer system integration, more consistent performance expectations, and better coordination between equipment suppliers and end users. It can also help streamline review of ratings, construction details, and testing expectations for enclosed breakers. As a superseded standard, it remains important for legacy systems, documentation checks, and historical equipment references.

• Enclosed DC power circuit breakers
• Voltage, rating, and interruption context
• Power, energy, and industrial applications
• Design, testing, and procurement reference
• Legacy and superseded-standard review