33kV 3-pole outdoor automatic circuit recloser for mv overhead line system

This PDF utility‑grade technical specification KEJ05295 defines full technical, construction, test and accessory requirements for SCADA‑ready outdoor three‑pole automatic circuit recloser plus matching surge arrester and insulating‑cover requirements for tropical overhead‑line projects. The equipment complies with IEC 62271‑111, IEC 61643‑11 and referenced local utility specifications.

It adopts vacuum interrupter with permanently hermetically‑sealed IP67 tank, independent IP54 stainless‑steel control cubicle with 15‑meter control cable. This specification records silicone‑rubber bushing minimum 576 mm total creepage distance, ≥10 000 mechanical operations, multi‑ratio 33‑22‑11kV /0.24kV 500VA potential transformer, SPD with auto‑reset ELCB, rich protection‑logic suite, non‑volatile 500‑event disturbance recorder, LCD‑LED local HMI, support for IEC 60870‑5‑101 / DNP3.0 SCADA protocols, 48‑hour battery back‑up, ground‑level colour‑coded open‑close position indication, manual maintenance‑operation function, lifting lugs and dual‑side arrester mounting brackets.

Document also includes mandatory type‑test / routine‑test / FAT requirements, appendix compliance matrix, and references companion specifications for matching 10kA polymeric surge arrester and animal‑proof insulating covers. Custom‑manufacturing, function adjustment and project‑specific factory‑acceptance‑test are available for tropical utility overhead‑grid tender projects. Please contact us for full compliance matrix, dimension drawings and complete type‑test reports.