Overview
DUPS20 24V/20A DIN rail type uninterruptible DC-UPS module.
Features
Uninterruptible DC-UPS controller.
Parallel connection to DC BUS (power supply + DC-UPS module + batteries + load).
Suitable for 24V system, up to 20A.
2A battery charging current.
Allows 4Ah..135Ah lead-acid batteries.
Complete diagnostic and monitoring for DC BUS OK, battery discharge, battery fail.
LED indicator for signal status.
Protections: battery reverse polarity protection and short circuit (by internal detection).
Protections: battery discharge / over discharge current.
Cooling by free air convection.
Width only 40mm.
3 years warranty.
Applications
Industrial control system.
Semiconductor fabrication equipment.
Factory automation.
Electro-mechanical apparatus.
Electrical
| Normal input voltage |
24VDC |
| Input voltage range |
24..29VDC |
| Rated current |
20A |
| Output voltage range |
21..29VDC |
| Discharge current range |
0..20A |
| Charging current |
2A |
Battery
| Normal battery voltage |
24VDC (2x12VDC in series or 1x24VDC) |
| Battery type |
Lead-acid battery |
| External battery capacities |
4Ah..135Ah |
Protection and status
| Battery polarity |
Protection by internal detection, no damage, recovers automatically after fault condition is removed |
| Short circuit |
Protection by internal detection, no damage, external fuse is recommended |
| Over discharge current |
21..23A, after 3sec, unit will cut-off battery discharging by relay |
| Battery deep discharge |
Cut-off battery discharging by relay |
| Relay contact rating |
30VDC/1A resistive load |
| DC BUS OK |
LED (green): DC BUS OK, light; DC BUS fail: dark |
| Battery fail |
LED (red): battery over-discharge warning or battery broken; battery OK: dark |
| Battery discharge |
LED (yellow): battery discharging; battery not discharging or discharging current <1.0A: dark |
Environment
| Cooling |
Free air convection |
| Working temperature |
-30..+70°C |
| Working humidity |
5..95%RH non-condensing |
| Storage temperature |
-40..+85°C |
Dimensions
| Dimensions (WxHxD) |
40x125x213.5mm |
