| Output |
| Nominal DC Voltage | 20 A |
| Rated Current | 20 A |
| Current Range | 0 - 20 A |
| Rated Power | 480 W |
| Ripple & Noise (max) | < 1% of Vout |
| Voltage Adj. Range | 24 to 28 V |
| Voltage Tolerance | ± 1% |
| Line Regulation | ± 1% |
| Load Regulation | ± 1% |
| Turn On Time | < 2 sec; at Full load |
| Hold Up Time | > 20 mS at 24 V & >12 mS at 28 V at 115 / 230 VAC, Full load |
| Rise Time | < 100 ms |
| Input |
| Voltage Range | - 90 - 264 VAC / 127 - 370VDC
- De-rate output power linearly below 100 VAC from 100% at 100 VAC to 90% at 90 VAC
|
| Frequency Range | > 0.95 at Full load over entire input range |
| Efficiency at 230V AC | > 93.5% |
| AC Current | - 4.8 A at 115 VAC;
- 2.4 A at 230 VAC
|
| Inrush Current | < 60 Amps; Measured at 264 VAC, 25°C Ambient, Cold start |
| Leakage Current | < 1 mA; 264 VAC input |
| Protection |
| Overload | - 110% to 140% of rated output current;
- Hiccup type; Autorecovery
|
| Overvoltage | - 31 VDC ± 0.5 VDC
- Latched type
- Input AC power to be recycled to recover the power supply
|
| Over Temperature | Power supply shuts down when the temperature of PCB below main transformer reaches typically 120°C; Turns on only after the temperature falls below 90°C typically and AC power is recycled thereafter |
| Function |
| DC OK Signal | - Contact closes at 23.0V (typ.)
- Contact opens at 22.5V (typ.)
- Contact Rating: 30 VDC 1 A; 60 VDC 0.5 A; 125 VAC
0.5 A; resistive load, min. current 1mA
|
| Environment |
| Operating Temperature | - - 25°C to + 70°C;
- De-rate linearly above 50°C from 100% load at 50°C to 50% load at 70°C, - 25°C to 0°C startup is guaranteed with specification deviation
- (Output ripple can be more than 10% of the output voltage.)
|
| Storage Temperature | - 40°C to + 85°C |
| Cooling | Natural convection cooled |
| Humidity | 5 to 95% RH, Non condensing |
| Altitude | 2000 m |
| Vibration | Component: 10 ~ 500 Hz, 2 G 10 min. / 1 cycle, period for 60 min. each along X, Y, Z axes |
| Safety & EMC |
| I/P to Earth | 2500 VAC |
| I/P to O/P | 4000 VAC |
| O/P to Earth | 1500 VAC |
| O/P to DC-OK | 500 VAC |
| Others |
| Dimension | 60 x 154 x 158.55 mm (W x H x D) |
| Weight | 1050 gms |
| Mounting | 35 mm DIN rail |
| Applicable EMI / EMC Standards |
Conducted
Emission | - Reference Standards: CISPR11
- Testing Level:
- ATC60W24V/ATC120W24V: CLASS A
- ATC240W24V/ATC480W24V: CLASS B
|
Radiated
Emission | - Reference Standards: CISPR22
- Testing Level: CLASS A
|
Electrostatic
Discharge | - Reference Standards: IEC 61000-4-2
- Testing Level: Level 4, Criteria A;
- Level 3, Criteria A
|
Radiated
Susceptibility | - Reference Standards: IEC 61000-4-3
- Testing Level: Level 3, Criteria B
|
Electrical Fast
Transient / Burst | - Reference Standards: IEC 61000-4-4
- Testing Level: Level 3, Criteria A
|
| Surge | - Reference Standards: IEC 61000-4-5
- Testing Level: Level 3, Criteria A
|
Conducted
Susceptibility | - Reference Standards: IEC 61000-4-6
- Testing Level: Level 3, Criteria B
|
Power Frequency
Magnetic Field | - Reference Standards: IEC 61000-4-8
- Testing Level: Level 4, Criteria A
|
Voltage Dips &
Interruption | - Reference Standards: IEC 61000-4-11
- Testing Level: Criteria A & B
|
| Safety | - UL 508 approved (E206430);
- Designed to meet IEC 62368-1
|
