PULS
The DC-DC converter is optimized to connect on the frequency converter's dc bus/stage. This voltage is usually not filtered, has high EMI interference and leaves high leakage currents. The converter has a very robust input stage and filter, which provides safe operation even at very disturbing power supply. Duplicate 600V dc fuses are built-in, which saves space and money. At power outages, the motors act as generators and reset voltage to the frequency converter capacitors which, in turn, output voltage to the dc-dc converter. This means that 24V dc is maintained and a controlled stop can be performed.
The bonus effect gives 25% extra reserve with retained 24V which is an advantage when connected loads have high starting current.
The converter has polarity protection and minimal input current. In addition, there is a relay output (dc OK) that falls when the output voltage deviates more than 10% from the set value.
Input voltage DC | 600 V |
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Input voltage dc min | 480 V DC |
Input voltage dc max | 840 V DC |
Inrush current | Typ. 1,6 A @ 600 V DC |
Max entrance tripple | 50 V pp |
Type Power Supply | DC-DC |
Start-Up Delay | 350 ms |
Output voltage | 24 V DC |
Output voltage min | 24 V DC |
Output voltage max | 28 V DC |
Output Current | 20 A |
Effect | 480 W |
Power Reduction Of 60 To 70 ° C | 12 W/°C |
Ripple. max | 100 mV pp |
Temperature Range Without Derating From | -25 °C |
Temperature Range Without Derating To | 60 °C |
Efficiency | 95 % |
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Life span | 42000 h @ 24 V DC, 20 A, 40 °C |
MTBF (IEC 61709) | 446000 h @ 24 V DC, 20 A, 40 °C |
Width | 65 mm |
Height | 124 mm |
Depth | 127 mm |
Weight | 0,89 kg |
Clamp type | Spring-clamp |
Series | Dimension Q |
Approvals | CE, CSA, UL |
DC relay output | Yes |
Material Protection | Aluminium |
Keep time | Typ. 22 ms @ 600 V DC |
IP Class | IP20 |
Active Transient | Yes |
The DC-DC converter is optimized to connect on the frequency converter's dc bus/stage. This voltage is usually not filtered, has high EMI interference and leaves high leakage currents. The converter has a very robust input stage and filter, which provides safe operation even at very disturbing power supply. Duplicate 600V dc fuses are built-in, which saves space and money. At power outages, the motors act as generators and reset voltage to the frequency converter capacitors which, in turn, output voltage to the dc-dc converter. This means that 24V dc is maintained and a controlled stop can be performed.
The bonus effect gives 25% extra reserve with retained 24V which is an advantage when connected loads have high starting current.
The converter has polarity protection and minimal input current. In addition, there is a relay output (dc OK) that falls when the output voltage deviates more than 10% from the set value.
The need for flexible, modular systems shapes machine and system engineering. Decentralization of the system components has proven to be an important factor for success.
The PIANO PIC series is designed for applications that require reliable DIN rail power supplies, which are focused to deliver the most widely required customer functionalities. Our PIC units offer this simplicity without making compromises on PULS’ renowned qualities; efficiency, service lifetime, reliability and size.
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Articles | Output voltage | Input voltage DC | Clamp type | Effect | Output Current | ||
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Powersupply 480-840VDC/24VDC 20A
Art:
QTD20.241
Copied
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24 V DC
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600 V
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Spring-clamp
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480 W
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20 A
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