We stock Power Control Systems' SQ range of AC to DC power supplies. We can supply others or suggest alternatives if you contact us.
PCS SQ Power Supply
Providing 24Vdc from a 400-500Vac supply, the SQ range is available from 5 to 40A output.
Specification and prices below:
| Input Voltage | 400-500V 3 Phase |
| Input Frequency | 50/60Hz |
| Efficiency | 88 to 91% at Pnom (88% at 5A, 90% at 10-20A, 91% at 40A) |
| Switching Operating Frequency |
60 to 150Hz typ. (70Hz at 5-10A, 150Hz at 20A, 60Hz at 40A) |
| Power Factor | 0.7 to 0.86 typ. (0.7 at 5-10A, 0.85 at 20A, 0.86 at 40A) |
| Input Protections | Inrush Currnet typ. <30A @ Vin max, cold start. EMI/RFI filter. Line Fuses |
| Output Protections | Overvoltage Protection. Over Load Protection |
| Output Power | 120/240/480/960W |
| Operating Temperature | -10°C to 70°C |
| Temperature Power Derating |
60÷70°C |
| Storage Temperature | -40°C to 85°C |
| Temperature Drift | 0.05%/ °C typ. |
| Humidity | 10÷90% non condensing |
| Cooling | Natural Convection |
| Control and Adjustment | Vadjust trimmer (21.6…28.0V) |
| Operating Indicators | Green LED Vout OK |
| Dielectric withstand Voltage | Conform to EN 60950-1 |
| Enclosure | IP20 |
| Isolation | Output – P.E.:500Vdc |
| International Standards | CE and EN, IEC and CSA pending |
| Model Number | Output Voltage |
Output Current |
Line Reg | Load Reg. | Ripple & Noise (0÷20MHz) |
Unit Price |
| 400-500V 3ph input | ||||||
| SQ136-3F-400-500 | 24V | 5A | 0.5% | 1% | <100 | £97.50 |
| SQ256-3F-400-500 | 24V | 10A | 0.5% | 1% | <100 | £115.00 |
| SQ496-3F-400-500 | 24V | 20A | 0.5% | 1% | <100 | £170.00 |
| SQ976-3F-400-500 | 24V | 40A | 0.5% | 1% | <100 | £255.00 |
| Dimensions | ||||
| Model | Height(mm) | Width(mm) | Depth(mm) | Weight(kg) |
| SQ136-3F-400-500 | 125 | 45 | 130 | 0.75 |
| SQ256-3F-400-500 | 170 | 45 | 130 | 1 |
| SQ496-3F-400-500 | 125 | 140 | 135 | 1.8 |
| SQ976-3F-400-500 | 170 | 195 | 130 | 3.3 |