IEEE Standard Requirements for Subsurface, Vault, and Pad-mounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems up to and including 38 kV
STANDARD published on 6.5.2026
Designation standards: IEEE C37.74-2025
Publication date standards: 6.5.2026
The number of pages: 70
Approximate weight : 210 g (0.46 lbs)
Country: International technical standard
Category: Technical standards IEEE
Revision Standard - Active.
Required definitions, ratings, procedures for performing design tests and production tests, and construction requirements for subsurface, vault, and pad-mounted load-interrupter switchgear and fused load-interrupter switchgear for ac systems up to and including 38 kV are covered in this standard.
ISBN: 979-8-8557-2286-4, 979-8-8557-3113-2, 979-8-8557-3114-9
Number of Pages: 70
Product Code: STDAPE28002, STD28633, STDPD28633
Keywords: design tests, fused, IEEE C37.74™, load-interrupter, visible break, pad-mount, pad-mounted, production tests, ratings, service conditions subsurface, switchgear, vault, way
Category: Switchgear
Draft Number: PC37.74/D4.3, May 2025 - APPROVED DRAFT