DC/DC Converters

Polyamp PSC 600 SERIES DC/DC Converter

The Polyamp PSC600 Series DC/DC Converter is a high-performance solution for industrial, railway, and telecommunications applications. Designed to deliver reliable power, it offers robust functionality and flexibility in demanding environments. Key features include optimised input voltage ranges (24–440 V DC) and single output options from 5V to...

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The Polyamp PSC600 Series DC/DC Converter is a high-performance solution for industrial, railway, and telecommunications applications. Designed to deliver reliable power, it offers robust functionality and flexibility in demanding environments.

Key features include optimised input voltage ranges (24–440 V DC) and single output options from 5V to 220V DC, with power ratings from 300 to 600W. The PSC600 series ensures safe and efficient operation with reverse input voltage protection, inrush current limit, and adjustable output voltage. Conformally coated for added durability, it meets IP30 standards and operates at over 88% efficiency.

The PSC600 series is available in versatile mechanical designs, including Euro format (L-mechanics) for 19” cabinets and wall or chassis mounting (N-mechanics). It supports advanced options like temperature-controlled current limits, virtual resistance for load sharing, and built-in series diodes for parallel configurations. Compliant with EN50155 and IEC60571 standards, it is ideal for railway and rolling stock applications.

The Polyamp PSC600 Series is the perfect choice for efficient, adaptable, and reliable power solutions.

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Polyamp PSC 600 SERIES  DC/DC Converter
Features
  • 250W - 800W Industrial Converter
  • Optimised input voltage ranges
  • Input ranges from 24 to 440Vdc
  • Single outputs from 5 to 125Vdc
  • Reverse input voltage protection
  • Conformal coating - tropic
  • Alarm relay output
  • Accessible on front
  • - Output voltage adjustment
  • - Output voltage measurement
  • - Output OK status green LED
  • High efficiency > 90%
  • Operating Temp -25C to 70C with no derating
  • Fully encapsulated meets IP20
  • 19' Rack Mount or DIN Mount or Wall Mount
Specifications
INPUT
Input voltage 24V, 48V, 110V, 220V
See Selection Table for details
Reverse input voltage protection Parallel diode (Input code: 24, 48)
Series diode (Input code: 110, 220)
output
Output Voltage See Selection Table
Output Current See Selection Table
Source regulation 0.2%.
Load regulation 0.2%.
Output ripple (50kHz) Typ. 20mV p-p typ.
Input ripple attenuation 150:1 On output 50 to 400Hz
Voltage adjustment 90% - 110%.
Current limit protection 105%. Rectangular
Overvoltage protection 115%.
Under voltage alarm 90% of nominal output.
Remote sense Option S.
Soft start Yes.
Start-up time1s
Hold-up time 2-25ms
Efficiency 80 - 93%
Switching frequency 50 kHz
OPERATING
Efficiency 80%–93%
Design topology Push-pull / Full-Bridge
Switching frequency 50kH
Overvoltage protection Yes, 115% of nominal voltage
Isolation Input / Output: 2.5kVac, 4kVdc
Input / Case: 4kVdc
Output / Case: 2kVdc, all outputs
ENVIRONMENTAL
Operating temperature -25°C to 70°C (100% load, single output >10Vdc).
-25°C to +55°C (100% load, single output <10Vdc).
Temperature coefficient 0.02%/°C.
Cooling Convectional cooling.
Storage temperature -40°C to 85°C.
FEATURES
Overvoltage protection OVP The output voltage is limited to 15% over nominal output voltage by a extra regulated circuit
Under voltage alarm A built in alarm changes to alarm state if the converter output voltage drops 10% below nominal output. The DC OK LED is also controlled by the alarm circuit. The alarm has a relay output with both [NO] and [NC] function. The relay rating is 30V 1A(ac & dc)
Reverse input voltage Protection On input code 24 and 48 the reverse voltage protection is provided by a parallel diode. This diode is only intended to blow and external input fuse. On input code 110 and 220, the reverse voltage protection is provided by a series diode. The converter will never start.
Inrush current limit On input code 110 and 220 the inrush limit circuit is always active thus acting at voltage dips below the stop level >10ms. On input code 24 and 48 this function is optional.
Adjustment & measurement Output voltage adjust potentiometer and output voltage measurement points are accessible from the front panel.
Conformal Coating the PSC series is conformally coated to withstand non-condensing tropical environment.
OPTIONAL FEATURES
Wider input range The PSC600 series can be supplied with wide inptu range to meet train or mobile applications demands
Built in series diode - C Series diode on the output, which is mounted inside the case. Use this option when the output is connected in parallel with other power supply to achieve redundancy
Built in series diode with resistor - CR The CR option automatically balance the load between 2 or more paralleled PSC600 units. Used in hotswap.
Remote Sense - S The voltage sensing can be put at the load to compensate for voltage drop. The sense circuit is a standard feature on 5V outputs.
Inrush Current LImit On input code 24 and 48 the inrush limit circuit is optional. This option affects the input voltage range. The circuit is always active thus acting at voltage dips below the stop level > 10ms.
Higher insulation on output - E2 Output/case 2.5kVAC for 12 to 125Vdc
Over current shutdown - OCSD The PSC600 series can provide over current during a limited time. The OCSD circuit shut down the unit when a preset time has passed. This delay can be pre-set between 100ms to 3 seconds.
STANDARDS
Safety IEC60950
EMC EN 61000-6-3, Emission
EN61000-6-2, Immunity
EN IEC 61000-4-4, 4kV
EN IEC 61000-4-5 level 2 & 3
C-Tick AS/NZS CISPR11: 2002 Group1 Class A
MECHANICAL
Dimensions See Technical Illustrations
Weight Base mechanic unit; 3.3Kg
Base mechanic unit + 1 extra heatsink 4.0kg
Base mechanic unit + 2 extra heatsinks 4.7kg
Selection Table
MODEL NUMBER INPUT OUTPUT CURRENT OUTPUT POWER
PSC250 24/5 20-32V 5V 50A 250W
PSC400 24/12 20-32V 12V 33A 400W
PSC400 24/15 20-32V 15V 27A 400W
PSC600 24/24 20-32V 24V 25A 600W
PSC600 24/48 20-32V 48V 12.5A 600W
PSC600 24/110 20-32V 110V 5.5A 600W
PSC600 24/125 20-32V 125V 4.8A 600W
PSC250 48/5 41-60V 5V 50A 250W
PSC400 48/12 41-60V 12V 33A 400W
PSC700 48/12 41-60V 12V 60A 720W
PSC400 48/15 41-60V 15V 27A 400W
PSC800 48/15 41-60V 15V 54A 800W
PSC600 48/24 41-60V 24V 25A 600W
PSC800 48/24 41-60V 24V 33A 800W
PSC600 48/48 41-60V 48V 12.5A 600W
PSC800 48/48 41-60V 48V 17A 800W
PSC600 48/110 41-60V 110V 5.5A 600W
PSC800 48/110 41-60V 110V 7.3A 800W
PSC600 48/125 41-60V 125V 4.8A 600W
PSC800 48/125 41-60V 125V 6.4A 800W
PSC250 110/5 93-150V 5V 50A 250W
PSC400 110/12 93-150V 12V 33A 400W
PSC700 110/12 93-150V 12V 60A 720W
PSC400 110/15 93-150V 15V 27A 400W
PSC800 110/15 93-150V 15V 54A 800W
PSC600 110/24 93-150V 24V 25A 600W
PSC800 110/24 93-150V 24V 33A 800W
PSC600 110/48 93-150V 48V 12.5A 600W
PSC800 110/48 93-150V 48V 17A 800W
PSC600 110/110 93-150V 110V 5.5A 600W
PSC800 110/110 93-150V 110V 7.3A 800W
PSC600 110/125 93-150V 125V 4.8A 600W
PSC800 110/125 93-150V 125V 6.4A 800W
PSC250 220/5 187-300V 5V 50A 250W
PSC400 220/12 187-300V 12V 33A 400W
PSC700 220/12 187-300V 12V 60A 720W
PSC400 220/15 187-300V 15V 27A 400W
PSC800 220/15 187-300V 15V 54A 800W
PSC600 220/24 187-300V 24V 25A 600W
PSC800 220/24 187-300V 24V 33A 800W
PSC600 220/48 187-300V 48V 12.5A 600W
PSC800 220/48 187-300V 48V 17A 800W
PSC600 220/110 187-300V 110V 5.5A 600W
PSC800 220/110 187-300V 110V 7.3A 800W
PSC600 220/125 187-300V 125V 4.8A 600W
PSC800 220/125 187-300V 125V 6.4A 800W
Technical Drawings
Downloads
psc600-series-datasheet.pdf
Warranty & Returns

Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.