90.20 Standard under periodical review Oct 15, 2024
ISO
ISO/TC 44/SC 6 Resistance welding and allied mechanical joining
International Standard
Published
ISO 5826:2014 gives specifications applicable to transformers of IEC 61140 protection class I or II of the following types for use in resistance welding equipment: single-phase transformers for a.c. welding, typically operating at 50 Hz or 60 Hz; single-phase transformers with connected rectifier for d.c. welding, typically operating at 50 Hz or 60 Hz; single-phase inverter transformers with connected rectifier for d.c. welding, typically operating at 400 Hz to 2 kHz; three-phase transformers with connected rectifier for d.c. welding, typically operating at 50 Hz or 60 Hz.
WITHDRAWN
ISO 5826:1999
PUBLISHED
ISO 5826:2014
90.20
Standard under periodical review
Oct 15, 2024