IEC SYSTEM FOR CONFIRMITY
TESTING AND CERTIFICATION
OF ELECTRICAL EQUIPMENT
COMMITTEE OF TESTING LABORATORIES
IEC 61558-1, ED. 1 (1997) – A1 (1998)
TESTING AND MEASURING EQUIPMENT/ALLOWED SUBCONTRACTING
Safety of power transformers, power supplies, reactors and similar products
Part 1: General requirements and tests
R=Required by Lab.
S=May be subcontracted
W=Witness testing
3PPS=Three Phase Power Supply required
Clause
8.15
9.1
Measurement/testing
Marking
Protection against accessibility to hazardous
live parts
Output voltage and output current under load
11.1 / 12 / 13
measures / No-load output voltage measures /
Short-circuit voltage test
Heating test / Short circuit and overload
14.2/ 14.3 / 15.2 / protection test / Short circuit and overload
15.3 15.4 / 15.5 protection test for fail safe transformers
16.2 / 16.3 / 16.4
17.1
2010-06-14
Testing / measuring equipment / material needed
R
R
Power supply, multimeter, amperometer, wattmeter
- Protection against ingress of solid objects
Power supply, impedances, ohmmeter, thermocouples, thermometer,
amperometer, oven without air circulation if ta > 25°C, black wooden painted
support, pull test device (N), copper discs painted black with thermocouples,
electric strength test equipment, fuse link
Spring hammer, steel plate, tumbling barrel, dynamometer and torque meter,
calipers, weighing device (g) pull test device (N)
- IP3X (2,5mm probe), IP4X (1mm probe)
- Protection against ingress of dust and water
- Dust chamber (IP 5X and IP 6X) - Apparatus for protection against water
Mechanical strength tests
Subcontracting
R
Piece of cloth, water, hexane
Standard test finger (IEC 60529), test pin according to Figure 3, multimeter,
oscilloscope / Measuring network (Annex J)
1/2
R
R
R
tests
R
IEC 61558-1/A1/1998
IEC SYSTEM FOR CONFIRMITY
TESTING AND CERTIFICATION
OF ELECTRICAL EQUIPMENT
Clause
Measurement/testing
17.2
18.2
18.3
18.4
19.10
19.12.3
Humidity test
Insulation resistance tests
Dielectric strength tests
Higher frequency test
Ageing test / Impact test / Scratch test
Insulated winding wires construction
(according to IEC 60851-3/5/6)
Strain test on socket-outlets
Thermal cut-out tests (based on IEC 60730-1)
/ Tests on PTC resistor
Protection against excessive flexing of cords
Cord anchorage test / Pull test for terminals /
Terminals contact pressure
Protective earthing test
Screws and connections (mechanical) and
glands testing
Creepage and clearance distances
Distances through insulation
Resistance to heat / fire tests
19.15
20.5 / 20.5.3
22.9.4
22.9.5 / 23.2 /
23.4
24.4
25
26.2
26.3
27.1 / 27.2 / 27.4
27.3
27.5
28
2010-06-14
Resistance to ignition testing
Resistance to tracking test
Resistance to rusting
COMMITTEE OF TESTING LABORATORIES
Testing / measuring equipment / material needed
Subcontracting
R
R
R
R
R
Humidity cabinet
Megaohmmeter
High voltage transformer
Frequency converter
Heating cabinet / Spring hammer / Hardened steel pin
Heating cabinet, high voltage transformer, mandrels
Apparatus for torque measuring on socket
Power supply (cycled), heating cabinet
S
R
R
Flexing test apparatus
Torque meter / Dynamometer, test cables of various sizes
R
R
Earthing test equipment
R
R
Screwdriver or spanner, test rod
Sliding caliper / Thickness caliper / Climatic chamber
Mandrel apparatus
Heating cabinet / Glow wire test apparatus / Ball pressure test apparatus (see also
CTL D.S. N. 391.mod)
Power supply, fuses, impedances, black painted wooden support
Proof tracking test device
Closeable glass vessel / Test solution / Heating cabinet / Facilities to wash samples
after test
2/2
R
R
R
R
R
R
IEC 61558-1/A1/1998