PC37.17/D6, Oct 2008 is a technical standard for voltage-rated AC and general-purpose low-voltage DC power circuit breakers, with scope extending up to 635 V AC and 600 V DC. It is relevant to power equipment design, rating, and performance expectations where dependable interruption and coordination matter. For engineers, purchasers, and compliance teams, this specification helps define a common basis for evaluating breaker suitability in low-voltage power circuits.

What is PC37.17/D6, Oct 2008?

PC37.17/D6, Oct 2008 sets out technical requirements and guidance for power circuit breakers used in low-voltage electrical applications. Its focus is on breakers intended for AC systems up to 635 V and DC systems up to 600 V, where consistent switching, protection, and operational characteristics are important. The document supports clearer design and testing expectations, helping manufacturers and users align on ratings, performance, and application limits for this class of equipment.

Where is PC37.17/D6, Oct 2008 used?

This standard is typically used in low-voltage power distribution equipment, switchgear, and industrial control environments where circuit breakers protect feeders, mains, and other power circuits. It is especially relevant in facilities that rely on AC or DC power systems within the stated voltage ranges, such as commercial buildings, industrial plants, and utility-related installations. PC37.17/D6, Oct 2008 helps define a consistent technical reference for breaker selection, specification, and verification.

Why is PC37.17/D6, Oct 2008 important?

PC37.17/D6, Oct 2008 matters because power circuit breakers must perform reliably under defined electrical conditions. By establishing a common technical framework, it supports safer design choices, more consistent procurement, and better comparison of equipment from different sources. It may also reduce ambiguity during testing and compliance review, since ratings and application boundaries are stated more clearly for low-voltage AC and DC breaker use.

• Low-voltage AC and DC breaker scope
• Up to 635 V AC and 600 V DC applications
• Power circuit breaker performance context
• Design, rating, and testing reference
• Useful for specification and compliance review