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IEEE PC37.90
IEEE Approved Draft Standard for Relays, Relay Systems, and Control Devices used for Protection and Control of Electric Power Apparatus - General Requirements and Tests
Translate name
STANDARD published on 24.12.2026
The information about the standard:
Designation standards: IEEE PC37.90
Publication date standards: 24.12.2026
SKU: NS-1287109
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEEE
Annotation of standard text IEEE PC37.90 :
Revision Standard - Active - Draft.
Service conditions, electrical ratings, thermal ratings, and testing requirements are defined for relays and relay systems used to protect and control power apparatus. This standard establishes a common reproducible basis for designing and evaluating relays and relay systems.
ISBN: 979-8-8557-3496-6, 979-8-8557-3496-6
Number of Pages: 55
Product Code: STDUD28864, STDAPE28864
Keywords: ac component in dc, contact rating, current range, derating, dielectric test, humidity, impulse test, insulation test, power apparatus, protection relay, temperature range, temperature rise, voltage range
Category: Protective Relaying
Draft Number: PC37.90/D3, April 2026 - UNAPPROVED DRAFT, PC37.90/D3, April 2026 - APPROVED DRAFT
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