PULS
Power supply 1-phase, 24 V dc Dimension Q Series
Puls Dimension Q is a new generation of power supply unit with very small construction dimensions and many technical benefits. The power supply unit has low inrush current (even with warm starts), active PFC, which provides a power factor close to one, expanded temperature range and active protection against line transients. (Not QS20) The power supply unit has high efficiency, which provides long lifetime both for the unit and adjacent products. Temperature increases in the cabinet are also kept at a low level. Furthermore, there is a relay output (DC OK) that is deactivated when the output voltage deviates more than 10 % from the set value. The bonus power provides an extra 50 % reserve with retained 24 V, which is an advantage when connected loads have high starting currents. The power supply unit has a high short-circuit current that simplifies tripping of secondary fuses. Both the bonus power and short-circuit current are time-limited to 4 seconds to avoid constant overloading of the power supply unit and wiring. QS20.241 If a short circuit lasts longer than 4 seconds, the power supply unit will continue in so-called hick-up mode. The output power is reduced to nearly zero for about 17 seconds. The power supply unit then makes a new start-up attempt for 2-4 seconds. If the short circuit remains, a new pause of 17 seconds is taken. Once the short circuit is remedied, the power supply unit automatically returns to service.For more technical information, consult the general information at the beginning of the power supply section.
Bonus power
The power supply unit has bonus power that enables high power extraction with retained 24 V DC for 4 seconds, which is a major advantage when connected loads have high starting currents, such as the case with motors. How often bonus power can be utilised depends on the application. With the following diagram and formula, the repeat time can be calculated for each application. The bonus power is available as soon as the power supply unit is started and directly after a short circuit.
Bonus power | Operating cycle |
|
|
Po | Nominal load current |
Ppeak | Peak current |
To | Time between bonus power |
Tpeak | Peak current I time |
Operating cycle | Tpeak / (Tpeak + To) |
To | Tpeak - (operating cycle * Tpeak) / operating cycle |
Example: Nominal load current (Po) is 7.5 A. Peak current (Ppeak) is 12 A | |
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Output characteristics | |
|
|
QS10.241 | QS20.241 |
|
|
- Power supply unit for DIN rail. 100-240 V ac/110 V dc
- 60/82 mm wide
- Up to 93.9% efficiency
- 50% bonus power
- Maximum performance
Selected variant
Specifications
| Input voltage range | Wide-range |
|---|---|
| Number of phases | 1 |
| Input voltage AC | 100-240 V |
| Input voltage ac min | 85 V AC |
| Input voltage ac max | 276 V AC |
| Input voltage DC | 110-150 V |
| Input voltage dc min | 88 V DC |
| Input voltage dc max | 187 V DC |
| Inrush current at 120 V ac typical | 4 A |
| Inrush current at 230 V ac typical | 7 A |
| Power Factor at 120 V AC, full load. Typical | 0,98 |
| Power Factor at 230 V AC, full load. Typical | 0,92 |
| Supply Frequency | 50-60 ±6 % |
| Power Consumption At 120 V AC | 2,22 A |
| Power Consumption At 230 V AC | 1,22 A |
| Type Power Supply | AC-DC |
| Output voltage | 24 V DC |
| Output voltage min | 24 V DC |
| Output voltage max | 28 V DC |
| Output Current | 10 A |
| Effect | 240 W |
| Power Reduction Of 60 To 70 ° C | 6 W/°C |
| Ripple. max | 50 mV pp |
| Temperature Range Without Derating From | -25 °C |
|---|---|
| Temperature Range Without Derating To | 60 °C |
| Efficiency At 120 V AC, full load. Typical | 92,6 % |
| Efficiency At 230 V AC. Typical | 92,4 % |
| Efficiency At 230 V AC, full load. Typical | 93,5 % |
| Lifetime at 120 V ac, full load and +40 ° C | 68000 h |
| Lifetime at 230 V ac, full load and +40 ° C | 71000 h |
| MTBF (IEC 61709) 230 V AC, Maximum Load, 40 ° C | 581000 h |
| Width | 60 mm |
| Height | 124 mm |
| Depth | 117 mm |
| Weight | 0,9 kg |
| Clamp type | Spring-clamp |
| Series | Dimension Q |
| Approvals | ABS, CB, CE, CSA, GL, UL |
| DC relay output | Yes |
| Material Protection | Aluminium |
| Hold-up time at 120 V AC, full load. Typical. | 27 ms |
| Hold-up time at 230 V AC, full load. Typical. | 28 ms |
| IP Class | IP20 |
| Active Transient | Yes |
Product description
Puls Dimension Q is a new generation of power supply unit with very small construction dimensions and many technical benefits. The power supply unit has low inrush current (even with warm starts), active PFC, which provides a power factor close to one, expanded temperature range and active protection against line transients. (Not QS20) The power supply unit has high efficiency, which provides long lifetime both for the unit and adjacent products. Temperature increases in the cabinet are also kept at a low level. Furthermore, there is a relay output (DC OK) that is deactivated when the output voltage deviates more than 10 % from the set value. The bonus power provides an extra 50 % reserve with retained 24 V, which is an advantage when connected loads have high starting currents. The power supply unit has a high short-circuit current that simplifies tripping of secondary fuses. Both the bonus power and short-circuit current are time-limited to 4 seconds to avoid constant overloading of the power supply unit and wiring. QS20.241 If a short circuit lasts longer than 4 seconds, the power supply unit will continue in so-called hick-up mode. The output power is reduced to nearly zero for about 17 seconds. The power supply unit then makes a new start-up attempt for 2-4 seconds. If the short circuit remains, a new pause of 17 seconds is taken. Once the short circuit is remedied, the power supply unit automatically returns to service.For more technical information, consult the general information at the beginning of the power supply section.
Bonus power
The power supply unit has bonus power that enables high power extraction with retained 24 V DC for 4 seconds, which is a major advantage when connected loads have high starting currents, such as the case with motors. How often bonus power can be utilised depends on the application. With the following diagram and formula, the repeat time can be calculated for each application. The bonus power is available as soon as the power supply unit is started and directly after a short circuit.
Bonus power | Operating cycle |
|
|
Po | Nominal load current |
Ppeak | Peak current |
To | Time between bonus power |
Tpeak | Peak current I time |
Operating cycle | Tpeak / (Tpeak + To) |
To | Tpeak - (operating cycle * Tpeak) / operating cycle |
Example: Nominal load current (Po) is 7.5 A. Peak current (Ppeak) is 12 A | |
.
Output characteristics | |
|
|
QS10.241 | QS20.241 |
|
|
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