Specifications
A–4 975-0125-02-01
Echo Charger Specifications
Table A-3
Echo Charger Specifications
Transfer and General Specifications
All transfer specifications are at nominal conditions: ambient temperature of 77 °F
(25 °C), 120 VAC, 60 Hz input, unless otherwise specified.
Table A-4
Transfer and General Specifications
Charging method Two-stage charge (Bulk, Absorption)
Number of independent battery banks 1
Battery bank size 50 Ah or larger
Charge voltage 14.3 VDC
Charge current 10 A
Battery voltage > 3 VDC
Cut off current ≤ 1 A for 3 minutes
Maximum charge time Stops automatically after 8 hours
Input over voltage limit 18.0 VDC
Transfer time—utility to invert 20 ms
Minimum AC input voltage for transfer 90 VAC RMS
Maximum AC input voltage for transfer 135 VAC RMS
Minimum AC input frequency for transfer 55 Hz
Maximum AC input frequency for transfer 65 Hz
Cooling Fan-cooled, temperature controlled
Network power supply 800 mA at 15 VDC
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