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ESC-120 Series - 108W Desktop SLA Battery Charger


Additional information



Battery type

Lead Acid

  • AC input range selected by switch
  • Short circuit, over load, over voltage, over temperature protection
  • Battery under/over voltage and polarity protection
  • Fixed switching frequency at 25KHz
  • 3 colour LED loading indicator
Input voltage88 ~ 132VAC/ 176 ~ 264VAC selected by switch. 249 ~ 270VDC
Input frequency47 ~ 63Hz
AC current3A/115VAC 1.5A/230VAC
Inrush currentCold start 40A
Leakage current<3.5mA / 240VAC
Rated power108W
Line regulation±0.5%
Setup, rise time200ms, 100ms, at full load
Hold time (typ.)36ms at full load
Overload protection105% ~ 135% rated output power
Protection type:Fold back current limiting, recovers automatically after fault condition is removed
Over voltage protectionProtection type: Constant voltage limiting, recovers automatically after fault condition is removed
Over temperature protectionRTH5≥80°C Detect on heatsink of Q1, Q2 power transistor
Protection type:Shut down o/p voltage, recovers automatically after temperature goes down
Working temp.-10~+60°C (refer to output load derating curve)
Working humidity20 ~ 90% RH non-condensing
Storage temp., humidity-20 ~+85°C, 10 ~ 95% RH
Vibration10 ~ 500Hz, 2G 10min./1 cycle, 60 min. each along X, Y, Z axes
MTBF215.8 K hrs min. MIL-HDBK-217F (25°C)
Safety standardCSA60950-1, (UL3101-1, IEC1010-1,EN61010-1) Approved
Withstand voltageI/P-O/P:3KV I/P-FG:1.5KV O/P-F/G:0.5KVAC
Isolation resistanceI/P-O/P, I/P-F/G, O/P-F/G:100M Ohms/500VDC
EMI conduction & radiationCompliance to EN55022 (CISPR22) class B
Harmonic currentCompliance to EN61000-3-2,-3
EMS immunityCompliance to EN61000-4-2,3,4: ENV50204, Light industry level, Criteria A
  • CE