Sincro Sendec CBI Eleberg Mr. Funnel
Alternators Welders Panel Products and Accessories

Sincro HB4


Single & Three-phase synchronous brushless 4 poles alternators with AVR from Sincro.

Electrical Data
Insulation class: H
Short circuit current: >350% In
Leads: 12
Total Harmonic content** : <2.5%
Excitation system: Brushless
Telephone Harmonic Factor** : <3%
Voltage regulator type: AVR BL4-B
Underspeed protection: standard version
Voltage regulation accuracy*: ± 1%
Insulation system according to UL 1446: on request
Electromagnetic compatibility: EN 61000-6-2 - EN 61000-6-3

*With load from 0 to 100%, speed variation from -2% to +5%, power factor 0.8 linear and balanced load
**Line to line, at full linear and balanced rater load

Technical Information
Standards: IEC 60034-1, IEC 60034-2, IEC 60034-22, EN 61000-6-2, EN 61000-6-3
Protection degree: Standard is IP21; higher protection degree on request
Bearings: Bearings are dimensioned for heavy duty
Transient features: Transient voltage drop for rated step load at 0.8 power factor is less than 18%
Single-phase operation: HB4 alternators can be connected for single-phase use


KVA Power range at 60HZ
Single-phase: 11.75-16.8 - Three-phase: 16.8-24


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