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IEC System for Conformity Testing and Certification of Electrotechnical equipment and Components TESTING AND MEASURING EQUIPMENT/ALLOWED SUBCONTRACTING IEC 61439-3:2012, Edition 1.0 Low-voltage switchgear and controlgear assemblies – Part 3: Distribution boards intended to be operated by ordinary persons (DBO) PROVISIONAL “R” “S” “SPTL” “W” “3PPS” Required May be subcontracted, see OD 2012 Specialized Facility, see IECEE 02-2 Witness testing in the categories “MED” and “MEAS” Three Phase Power Supply required Clause 10.2.2 10.2.3.1 10.2.3.2 10.2.4 10.2.5 10.2.6 Measurement/testing Testing / measuring equipment / material needed Resistance to corrosion Climatic chamber according to IEC 60068-2-30 (damp heat cycling test at +40 °C) Test chamber according to IEC 60068-2-11 (salt mist at +45 °C) Thermal stability Climatic chamber according to IEC 60068-2-2 (dry heat test at +70 °C) Resistance to abnormal heat and fire due Glow-wire test apparatus according to IEC 60695-2-11 to internal electric effects Resistance to ultra-violet (UV) radiation Test chamber according to ISO 4892-2 Lifting Crane or similar lifting equipment, Weights Mechanical Impact Test apparatus (e.g. pendulum hammer, spring hammer or vertical hammer) according to IEC 60068-2-75 June 2015 (Provisional) 1/4 Subcontracting S R S S S S IEC 61439-3, ed 1 IEC System for Conformity Testing and Certification of Electrotechnical equipment and Components Clause 10.2.7 10.3 10.4 10.4 10.5.2 10.5.3 10.9.2 10.9.3 10.10 Measurement/testing Testing / measuring equipment / material needed Marking Cloth, Water, Petroleum spirit Degree of protection of enclosures Sphere 50 mm diameter, Jointed test finger, Test rod 2,5 mm diameter, Test wire 1,0 mm diameter, Sphere 12,5 mm diameter Dust chamber, Drip box. Drip box 15°, Oscillating tube/spray ± 60° or spray nozzle/spray ± 60°, Oscillating tube/spray ± 180°, Water jet hose nozzle - nozzle 6,3 mm diameter, Water jet hose nozzle - nozzle 12,5 mm diameter, Immersion tank Clearances Sliding gauge Creepage distances Sliding gauge Effective earth continuity between the Resistance measuring instrument with a driving current of at least exposed conductive parts of the assembly 10 A (a.c. or d.c.). and the protective circuit Short-circuit withstand strength of the Short-circuit withstand testing up to 10kA (testing with OCPDs) protective circuit Measuring devices for voltage, current, cos φ, time, I²t-values Short time withstand testing in general and short circuit withstand testing above 10kA (testing with OCPDs) Power-frequency withstand voltage AC High-voltage source (0 - min. 3,5 kV), Voltmeter (min. 3,5 kV) Impulse withstand voltage Impulse voltage generator (1,2/50 μs), Oscilloscope, High voltage probe Verification of temperature rise Load resistors, Temperature acquisition unit, Current/voltage source June 2015 (Provisional) 2/4 Subcontracting R R S R R R R S R R R IEC 61439-3, ed 1 IEC System for Conformity Testing and Certification of Electrotechnical equipment and Components Clause Measurement/testing 10.11 Short-circuit withstand strength 10.12 EMC – Immunity Electrostatic discharge immunity test Testing / measuring equipment / material needed Subcontracting Short-circuit withstand testing up to 10kA (testing with OCPDs) Measuring devices for voltage, current, cos φ, time, I²t-values Short time withstand testing in general and short circuit withstand testing above 10kA (testing with OCPDs) R 3PPS S S ESD generator, VCP, HCP, reference ground plane Radiated radio-frequency electromagnetic Signal generator, field immunity test RF power amplifier, Function generator, Biconical antenna and logperiodic antenna or Bilog antenna, Horn antenna, Millivoltmeter (or Power Meter with Power Sensor), Isotropic Field Probe, Directional coupler, Semi-Anechoic chamber, Controller (PC) Electrical fast transient/burst immunity test Burst Generator, Coupling/Decoupling Network, Capacitive Clamp, 33 nF capacitor for direct injection, reference ground plane Surge immunity test Surge Generator, Coupling/Decoupling Network, reference ground plane June 2015 (Provisional) 3/4 IEC 61439-3, ed 1 IEC System for Conformity Testing and Certification of Electrotechnical equipment and Components Clause Measurement/testing Testing / measuring equipment / material needed Conducted radio-frequency immunity test 10.12 10.13 Signal generator, RF power amplifier, Coupling/decoupling continuous network, Attenuator, Power meter with Power Sensor, EM clamp, Ferrite decoupling network, Sinusoidal generator, Current clamp, 100 Ω to 50 Ω adaptor and direct iniection device Immunity to power-frequency magnetic Test Generator, fields Square Coil, Magnetic Field Tester, Helmholz Coil, Magnetic Field Probe Immunity to voltage dips and interruptions Test generator, oscilloscope EMC - Emission Radiated disturbances Biconical Antenna and logperiodic antenna or Bilog antenna, Test Receiver or Spectrum analyzer + Preselector + QP adapter, Semi- anechoic chamber, Open area test site Mechanical operation None Subcontracting June 2015 (Provisional) 4/4 S --- IEC 61439-3, ed 1
