DC/DC Converters

DC-DC Enclosed converter; Input 36-72Vdc; Output +24Vdc at 2.1A; Free air convection

PULS QTD20.241 is a power supply unit (PSU) and DC/DC-Converter with a 25% power reserve, designed for DIN rail mounting. It operates within an ambient air temperature range of -25 to +70°C and features an intermediate DC-bus and galvanic isolation. The unit provides a rated current of 20A at 24Vdc, 17.5A at 28Vdc, and includes a 12W derating from +60°C to +70°C. Connection is facilitated through spring-clamp connections. As part of the Q-series, it measures W65mm x H124mm x D127mm and requires a supply voltage of 384Vdc to 672Vdc, with specific nominal voltages of 500Vdc, 575Vdc, and 600Vdc. The turn-ON voltage is 450Vdc, and the shutdown voltage is 325Vdc. The housing is made of aluminium, and it is designed for DC networks with a net width of 65 mm. The rated power is 480W at both 24Vdc and 28Vdc, with an adjustable output voltage of 24Vdc to 28Vdc and a 500mV turn-ON overshoot. Protection functions include output overvoltage protection, overload/short-circuit current protection, and resistance to back-feeding loads up to 34V. The unit boasts an efficiency of 0.95 at 600Vdc input, a peak current consumption of 3A, a 35s start-up delay, and rise times of 70ms and 110ms under specified conditions. The hold time is 22ms at 600Vdc input, with power dissipation/losses of 25.5W at full output load. Electrical durability is rated at various hours depending on the operating conditions, with a ripple of 100mVpp and an output stage capacitance of 950µF.

PULS CD5.241-L1 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing. It operates within an ambient air temperature range of -25 to +70°C and has a net width of 32 mm. This unit consumes 4.25A current at a 24Vdc input to deliver a full 24Vdc output, with a peak inrush current of 1.6A. It boasts an efficiency of 0.905 at 24Vdc 3.8A input. The dimensions are W32mm x H124mm x D102mm. It includes a 650ms start-up delay and an 80ms rise time under nominal input with a constant full current load. The CD5.241-L1 offers protection against output overvoltage, short circuits, and allows for series or parallel operation for increased output power or 1+1 redundancy. It is capable of handling back-feeding loads up to 30V without malfunctioning, whether the power supply is on or off. The unit features reverse polarity protection, with power dissipation losses of 9.7W under a 24Vdc input and 24V output load at 3.8A. The output stage capacitance is 2200 µF. Its electrical durability ranges from 134,000 to 378,000 hours depending on the operating conditions. The ripple is maintained at 50mVpp across a 20Hz to 20MHz range. This PSU/DC/DC-Converter includes a 20% power reserve, is designed with NEC Class 2 and ATEX approval for galvanic isolation, and utilizes spring-clamp connections for connectivity. It supports a supply voltage range of 14.4Vdc to 32.4Vdc, with a 36Vdc absolute maximum continuous input voltage. The rated current is 3.8A at 24Vdc, with a rated power of 144W in ambient temperatures less than 45°C and 120W in temperatures less than 60°C. The output voltage is a fixed 24Vdc with a 500mV turn-ON overshoot, and it has a 6ms hold time at 24Vdc input.

PULS CD5.242 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing. It operates within an ambient air temperature range of -25 to +70°C and has a net width of 32 mm. The unit consumes 2.75A current at a 48Vdc input to deliver a full 24Vdc output at 5A, with a peak inrush current of 0.8A. It boasts an efficiency of 0.903 at a 24Vdc, 5A input. The dimensions are W32mm x H124mm x D102mm. It includes a 670ms start-up delay and an 80ms rise time under nominal input with a constant full current load. The CD5.242 offers protection against output overvoltage, short circuits, and allows for series or parallel operation for increased output power or redundancy. It is resistant to back-feeding loads up to 30V and includes reverse polarity protection. Power dissipation losses are 12.9W at a 48Vdc input with a 24V output load at 5A. The output stage capacitance is 2200 µF. Its electrical durability ranges from 39,000 to 181,000 hours depending on conditions. The ripple is 50mVpp from 20Hz to 20MHz. This PSU/DC/DC-Converter supports a 20% power reserve and is designed with ATEX approval for galvanic isolation. It features screw-clamp connections and accepts a supply voltage of 39Vdc-57Vdc (48Vdc nominal), with a short-term tolerance down to 30.5-36Vdc for up to 60 seconds. The rated current is 6A at 24Vdc in temperatures up to 45°C, with derating applied up to +70°C. The rated power is 144W in ambient temperatures less than 45°C and 120W below 60°C. The output voltage is adjustable between 23-28Vdc, with a 500mV turn-ON overshoot, and it has a hold time of 5.6ms at a 48Vdc input.

PULS CPS20.241-D1 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing with dimensions of W65mm x H124mm x D127mm. It operates within an ambient air temperature range of -25 to +70°C and offers a net width of 65 mm. The unit has a current consumption of 1.69A with a 300Vdc input for a full 24Vdc output, 4.68A with a 110Vdc input for a full 24Vdc output, and can handle peak inrush currents of up to 10A at 300Vdc input and 13A at 110Vdc input. It boasts an efficiency of 0.946 at 300Vdc input and 0.931 at 100Vdc input, with a degree of protection rated at IP20. The CPS20.241-D1 features a time delay of 850ms for start-up and a rise time of 85ms under nominal input with a constant full current load without load capacitance, and 150ms with 20mF load capacitance. It includes protection functions such as output overvoltage protection and overload/short-circuit protection, with the capability for series or parallel operation to increase output power. The unit's power dissipation/losses are 27.4 W, and it has an output stage capacitance of 7000 µF. Its electrical durability varies based on conditions, with up to 549000 hours at 25°C and 10A output with a 1AC 300Vdc input. The ripple is specified at 50mVpp (20Hz...20MHz; 50Ω). This power supply unit also features a 20% power reserve, ATEX approval for galvanic isolation, and screw-clamp connections for installation. It supports a supply voltage range of 88Vdc-360Vdc and an AC supply voltage with specific turn-ON and shutdown parameters. The rated current is 20A at 24Vdc with a power derating above 60°C to 70°C, and it offers a rated power of 576W under PowerBoost at ambient temperatures below 45°C, and 480W below 60°C. The output voltage is adjustable between 24Vdc and 28Vdc, with a 200mV turn-ON overshoot, and it provides a hold time of 26ms at both 110/300Vdc input.

PULS CPS20.481-D1 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing. It operates within an ambient air temperature range of -25 to +70°C. The unit has a net width of 65 mm and dimensions of W65mm x H124mm x D127mm. It consumes 1.69A at 300Vdc input for full 48Vdc output and 4.68A at 110Vdc input for full 48Vdc output, with a peak inrush current of 10A at 300Vdc input and 13A at 110Vdc input. The CPS20.481-D1 offers an efficiency of 0.946 at 300Vdc input and 0.931 at 100Vdc input. It has an IP20 degree of protection and features output overvoltage protection, overload/short-circuit protection, and is capable of series/parallel operation for increased output power. The unit's power dissipation/losses are 27.4 W, and it has an output stage capacitance of 2450 µF. Its electrical durability ranges from 58,000 to 506,000 hours under various conditions. The ripple is 50mVpp (20Hz...20MHz; 50Ω). This power supply unit supports a supply voltage range of 88Vdc-360Vdc and an AC supply voltage with 85Vac turn-ON voltage. It provides a rated current of 10A at 48Vdc and a rated power of 576W with PowerBoost at ambient temperatures less than 45°C, and 480W at less than 60°C. The output voltage is adjustable between 48Vdc-56Vdc, with a 200mV turn-ON overshoot, and it offers a hold time of 26ms at 110/300Vdc input. Connection is facilitated through screw-clamp connections.

PULS SLD2.100 is a power supply unit featuring galvanic isolation and a DC-OK relay contact output. It serves as both an AC/DC power supply unit (PSU) and a DC/DC converter, equipped with screw-clamp connections for secure installation. The dimensions of this unit are W49mm x H124mm x D102mm, designed for DIN rail mounting, making it suitable for compact spaces. It operates with a supply voltage range of 18Vdc-36Vdc (24Vdc nominal) and delivers a rated current of 8A at 4.5Vdc with a power derating from +60°C to +70°C. The ambient air temperature for operation spans from 0 to +70 °C. The SLD2.100 consumes 2.9A at full 18Vdc output and 1.5A at full 36Vdc output, supporting both series and parallel operation. The output voltage is adjustable between 4.5-5.5Vdc, with an efficiency of 0.82 at 24Vdc input. This unit offers a rated power of 40W, a hold time of 10ms at 24Vdc input, and experiences power dissipation/losses of 8.5W at 24Vdc input with a full output load. Additionally, it features a 300ms start-up delay and maintains a ripple of 50mVpp across a frequency range of 20Hz to 20MHz at 50Ω.

PULS CD5.121 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing. It operates within an ambient air temperature range of -25 to +70°C and has a current consumption of 4.6A with a 24Vdc input for a full 12Vdc output, and a peak inrush current of 1.6A. The unit boasts an efficiency of 0.882 under a 12Vdc 8A input and has dimensions of W32mm x H124mm x D102mm. It includes a 420ms start-up delay and a 210ms rise time under nominal input with a constant full current load. The CD5.121 offers protection functions such as output overvoltage protection, short-circuit current protection, and allows for series/parallel operation for increased output power or redundancy. It is resistant to back-feeding loads up to 16V and includes reverse polarity protection. Power dissipation/losses are 12.8W with a 24Vdc input and 12V output load at 8A, and the output stage capacitance is 6500µF. Its electrical durability is rated at 173000 hours at 40°C with a 4A output. The ripple is 75mVpp, and it features screw-clamp connections. The supply voltage ranges from 18Vdc to 32.4Vdc, with a rated current of 9.6A at 12Vdc up to 45°C and 8A at 12Vdc up to 60°C, including a derating above 60°C. The rated power is 116W in ambient temperatures less than 45°C and 96W in temperatures less than 60°C. The output voltage is adjustable between 12Vdc and 15Vdc, with a 500mV turn-ON overshoot and a hold time of 7ms.

PULS CD5.051 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing with dimensions of W32mm x H124mm x D102mm. It operates within an ambient air temperature range of -25 to +70°C and has a net width of 32 mm. The unit consumes 2.6A current at a 24Vdc input for a full 5Vdc output at 10A, with a peak inrush current of 1.6A. It offers an efficiency of 0.815 at 5.1Vdc 10A input and is protected by an IP20 degree of protection. The CD5.051 includes a 420ms start-up delay, a 300ms rise time at nominal input with a constant full current load and 0mF load capacitance, and a 350ms rise time with an 8mF load capacitance. It features output overvoltage protection, overload protection, no-load and short-circuit protection with a short-circuit current of min. 12A to max. 20A, over-temperature protection with automatic restart, and allows for series/parallel operation for increased output power or redundancy. The unit is resistant to back-feeding loads up to 5.6V, includes reverse polarity protection, and has a power dissipation/loss of 11.5W at a 24Vdc input with a 5.1V output load at 10A. The output stage capacitance is 16000 µF, with a ripple of 50mVpp across 20Hz to 20MHz at 50Ω. It functions as a power supply unit or DC/DC-converter with a 20% power reserve, belonging to the CD-series and designed with galvanic isolation and screw-clamp connections. The supply voltage ranges from 18Vdc to 32.4Vdc (24Vdc nominal) and 14.4-18Vdc for a maximum of 60 seconds. It has a rated current of 12A at 5Vdc from -25 to +45°C and 10A at 5Vdc from +45 to +60°C, with a derating of 1.25W from +60 to +70°C. The rated power is 60W at -25 to +45°C and 50W at -25 to +60°C, with an adjustable output voltage of 5Vdc to 5.5Vdc and a 250mV turn-ON overshoot. The hold time is 10ms at a 24Vdc input.

PULS CD5.241 is a power supply unit designed for DIN rail mounting, featuring an aluminium housing and dimensions of W32mm x H124mm x D102mm. It operates within an ambient air temperature range of -25 to +70°C and has a net width of 32 mm. The unit consumes 5.5A current at a 24Vdc input to deliver a full 24Vdc output at 5A, with a peak inrush current of 1.6A. It boasts an efficiency of 0.903 at 24Vdc with a 5A input. The CD5.241 includes a 650ms start-up delay and an 800ms rise time under nominal input with a constant full current load and 0mF load capacitance. It offers protection functions such as output overvoltage protection, short-circuit protection with a minimum of 7A and a maximum of 10A continuous current, and allows for series or parallel operation for increased output power or 1+1 redundancy. The unit is capable of handling back-feeding loads up to 30V without malfunctioning, whether powered on or off, and includes reverse polarity protection. Power dissipation/losses are 12.9W under a 24Vdc input with a 24V output load at 5A, and 6.2W at 2.5A. The output stage capacitance is 2200 µF, and the electrical durability ranges from 37,000 to 185,000 hours depending on the operating conditions. It features a ripple of 50mVpp across 20Hz to 20MHz at 50Ω. This PSU/DC/DC-Converter offers a 20% power reserve, is part of the CD-series, and includes ATEX approval for galvanic isolation. Connection is facilitated via screw-clamp connections, with a supply voltage range of 18Vdc-32.4Vdc (24Vdc nominal) and 14.4-18Vdc for up to 60s. The rated current is 6A at 24Vdc from -25 to +45°C and 5A at +45 to +60°C, with a derating to 3W from +60 to +70°C. The rated power is 144W at ambient temperatures below 45°C and 120W below 60°C. The output voltage is adjustable between 23-28Vdc, with a 500mV turn-ON overshoot, and a hold time of 6ms at 24Vdc input.