1. The standard protection for JSA series generator is IP23

2. Windings are insulated to class H

3. Full-damping whole salient construction guarantees generator to be operated stably in any conditions, and enable it to run under 150% rated speed (2250r/min. ) for 2min,

4. JSA generators are provided with a 2/3 winding pitch as standard, can effectively eliminate the third harmonic(3rd, 9th, 15th, etc. ) and are therefore perfectly suited to installation with distoring loads, and easy to operate with the other generator in parallel

5. Adjusting rate of stable voltage≤ 1%, adjusting rate of instant voltage: -15%~+20%(60%ln, COSΦ ≤ 0.4 lagging), instant voltage recovery time≤ 1.5s

6. Wave aberration rate of voltage THD≤ 4%, telephone harmony wave factor THF≤ 2%, telephone effedtive factor of TIF≤ 50