Low-voltage assemblies
Panels, boards and bases with electrical devices for switching or protection at voltages up to 1000 V.
Temperature-rise limits
Temperature-rise limits of consoles, panels and LV switchgear up to 1000 V per GOST 22789-94 (IEC 439-1-85), clause 8.2.1.
Dielectric tests
Dielectric properties and insulation resistance per GOST 22789-94 (clauses 8.2.2, 8.3.2, 8.3.4) — electrical-safety control of assemblies.
Short-circuit withstand strength
Short-circuit withstand strength per GOST 22789-94 (IEC 439-1-85), clause 8.2.3 — fault-current resistance confirmation.
Protective earthing circuit
Effectiveness and electrical continuity of the protective earthing circuit per GOST 22789-94 (clauses 8.2.4, 8.3.3) and SOU 45.020-00034045-002:2006.
Clearances and creepage distances
Clearances and creepage distances per DSTU EN 60950-1:2015 and GOST 22789-94 — insulation-gap assessment.
Functional safety (EN 50126/50128/50129/50159)
Functional, operability and functional-safety verification per DSTU EN 50126, EN 50128, EN 50129 and EN 50159 — for railway signalling and control systems.
Vibration and seismic resistance
Vibration and seismic resistance per DSTU 6098:2009, DSTU EN 60068-2-57:2022 and SOU NAEK 100:2022 (severity levels 1–5).