IEEE PC37.13a/D4, Jul 2011
Voltage AC Power Circuit Breakers Used in Enclosures Amendment 1: Increase of Voltages to 1000 V AC and Below
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About This Item
PC37.13a/D4, Jul 2011 is a technical standard addressing voltage AC power circuit breakers used in enclosures, with Amendment 1 expanding the scope to 1000 V AC and below. It is relevant to the design, rating, and application of enclosed breaker equipment where electrical protection and insulation considerations must be clearly defined. For engineers, specifiers, and procurement teams, PC37.13a/D4, Jul 2011 helps support consistent expectations for performance and safe use in power systems.
About PC37.13a/D4, Jul 2011
This standard provides an amendment-oriented reference for voltage AC power circuit breakers installed in enclosures, focusing on the electrical context implied by power, energy, and industrial applications. PC37.13a/D4, Jul 2011 is useful when comparing equipment requirements, confirming voltage limits, or aligning breaker selection with enclosure-based installation practices. By extending the voltage range to 1000 V AC and below, it helps define a clearer technical boundary for enclosed breaker applications and associated engineering documentation.
Where is PC37.13a/D4, Jul 2011 used?
PC37.13a/D4, Jul 2011 is typically used in low-voltage and medium-voltage power distribution settings where AC circuit breakers are mounted in enclosures for protection and control. It may apply to switchgear assemblies, industrial control equipment, electrical panels, and other power distribution hardware used in facilities with defined breaker ratings. The standard is especially relevant when enclosed breaker performance, voltage capability, and installation compatibility must be documented or reviewed during specification and acceptance.
Importance in practice
In practice, PC37.13a/D4, Jul 2011 supports more consistent design and procurement decisions for enclosed AC power circuit breakers. It can help reduce ambiguity around voltage ratings, equipment boundaries, and application suitability, which is important for compliance review and engineering coordination. For testing and specification work, the standard provides a common technical reference that may improve comparability between products and lower the risk of mismatched breaker and enclosure selections.
- Voltage AC power circuit breakers in enclosures
- Amendment 1 scope up to 1000 V AC and below
- Electrical protection and equipment rating reference
- Relevant to power, energy, and industrial systems
- Publication Date: 2011
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- New Version Available: PC37.13 (2024)
- Previous Version: PC37.13 (2024)
- Previous Version: PC37.13 (2024)
- Previous Version: PC37.13 (2024)
- Previous Version: PC37.13 (2015)
- Previous Version: PC37.13 (2015)
- Previous Version: PC37.13 (2014)
- This Version: PC37.13 (2011)
- Previous Version: PC37.13 (2009)
- Previous Version: PC37.13 (2008)
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