Elektra Beckum ST140/60 DC Operating Instructions Manual page 4

2.3 Information - Shown On Type Plate
The following explanations refer to the numbered boxes shown in Figure 2.3 according to ISO/IEC 60974-1.
a) Identification
Box l Name and address of the manufacturer or distributor or importer and, optionally, a trade mark and the
country of origin, if required
Box 2 Type (identification) as given by the manufacturer
Box 3 Traceability of design and manufacturing data, e.g. serial number
Box 4 Welding power source symbol (optional) e g
Box 5 Reference to this Standard confirming that the welding power source complies with its requirements
Single-phase transformer
Single- or three-phase transformer-rectifier
Single- or three-phase static frequency
converter-transformer-rectifier
Three-phase motor-generator
Three-phase motor-generator-rectifier
Three-phase rotating frequency Converter
Single-phase combined a.c. and d.c. power source
Engine-a.c. generator
Engine-generator-rectifier