24V 40A Uninterruptible DC-UPS Controller Module DIN Rail Type Features --Uninterruptible DC-UPS controller --Parallel connection to DC BUS (Power supply + DC-UPS Module + Batteries + Load) --Suitable for 24V systems, up to 40 A --2 A battery charging current --Allows 4AH to 135AH lead-acid various battery capacities --Complete diagnostic and monitoring for DC BUS OK, battery discharge, battery fail --LED indicator for status --Protections: Battery reverse polarity & short circuit (by internal detection), battery discharge, over discharge current --Cooling by free air convection --3 year warranty Specifications DC UPS Input: --Normal Input Voltage: 24 VDC --Input Voltage Range: 24 VDC to 29 VDC) --Rated Current: 40 A DC UPS Output: --Voltage Range: 21 VDC to 29 VDC --Discharge Current Range: 0 to 40 A --Charging Current: 2 A Battery --Normal Battery Voltage: 24 VDC (2 x 12 VDC in series or 1 x 24 VDC) --Battery Type: Lead-acid battery --External Battery Capacities: 4 AH to 135 AH --Size (mm): 63 W x 125.2 H x 113.5 D Applications --Industrial control systems--Semiconductor fabrication equipment--Factory automation--Electromechanical apparatus