IEEE PC62.44/D15.2, Oct 2014
Voltage (1000 Volts rms or Less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Equipment)
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About This Item
PC62.44/D15.2, Oct 2014 is a technical standard focused on voltage surge protective devices rated at 1000 volts rms or less for use on secondary distribution systems between the transformer low-voltage terminals and the line side of the service equipment. It addresses a narrow but important part of power system protection, helping define expectations for device application in low-voltage distribution environments. For engineers, specifiers, and buyers, it supports more consistent selection and evaluation of protective components.
PC62.44/D15.2, Oct 2014 overview
This standard provides guidance for surge protective devices used on secondary distribution circuits where overvoltage control is needed close to the service entrance. PC62.44/D15.2, Oct 2014 is relevant to components, circuits, devices, and systems in electrical power applications, with emphasis on the interface between the transformer and service equipment. Its technical context is mainly about suitable ratings, installation boundaries, and the expected performance of protection devices in low-voltage environments.
Typical use cases
Typical applications include secondary distribution systems serving commercial, institutional, and industrial facilities where surge protection is installed upstream of service equipment. The standard is also relevant when evaluating protective devices used near transformer secondary terminals, distribution panels, or other low-voltage incoming supply points. It may be consulted during procurement, product comparison, or specification writing for devices intended to limit transient overvoltage exposure in power and energy installations.
Why this standard matters
In practice, this document helps reduce ambiguity around how surge protective devices are identified and applied on low-voltage secondary systems. PC62.44/D15.2, Oct 2014 can support more consistent compliance reviews, testing expectations, and design decisions for equipment placed on the line side of service gear. That consistency matters for safety, coordination, and risk reduction, especially where improper device selection could affect protection performance or system reliability.
- Voltage surge protection for 1000 V rms or less
- Secondary distribution system application
- Transformer-to-service equipment boundary
- Low-voltage power system protection context
- Specification and compliance reference
- Publication Date: 2014
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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