Found 377 products
PULS CP20.241-R2-C1 is a DIN rail mounting power supply unit with an aluminium housing designed for a wide range of industrial applications. It operates within an ambient air temperature range of -40 to +70°C and has a net width of 48 mm. The unit consumes current differently based on the input, including 2.25A with 230Vac input, 4.28A with 120Vac input, 5.17A with 100Vac input, and 4.64A with 110Vdc input for a 24Vdc / 10A output, with peak inrush currents of 5.5A and 12A for 230Vac and 120Vac inputs respectively. It features an IP20 degree of protection and achieves efficiencies of 0.952 and 0.938 with 230Vac and 120Vac inputs, respectively. The power supply is resistant to harsh environments, thanks to its conformal coated PCB, and has dimensions of W48mm x H124mm x D127mm. It includes a 450ms start-up delay and rise times of 145ms and 160ms under specified conditions. Protection functions include output overvoltage protection and overload/short-circuit protection, with capabilities for series/parallel operation and resistance to back-feeding loads up to 35V. Power dissipation losses are 24.2W and 31.7W for 230Vac and 120Vac inputs, respectively, with an output stage capacitance of 8000 µF. Electrical durability varies with conditions, offering up to 465,000 hours at 25°C with a 10A output and 1AC 230Vac input. The ripple is specified as 100mVpp. This AC/DC power supply unit, part of the CP-series, is designed with built-in decoupling MOSFET for redundancy, hot-swappable connectors, ATEX approval, and a 20% power reserve. It supports a supply voltage range of 88Vdc-180Vdc for DC and 85Vac-264Vac for AC, with specific shutdown and turn-on voltages. The rated current is 24A at 48Vdc in temperatures up to +45°C, with derating at higher temperatures. It provides a fixed 24Vdc output voltage and includes a 32ms hold time at standard AC inputs.
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PULS QT40.241 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It supports DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. This unit features a DC-OK relay contact output and offers rated currents of 40A at 24Vdc and 34.3A at 28Vdc, with a power derating from 24W at +60°C to +70°C. Connection is facilitated through screw-clamp connections. The supply voltage accommodates a wide range of AC inputs from 323Vac to 576Vac, including nominal values of 380Vac, 400Vac, 415Vac, 440Vac, 480Vac, 500Vac, and 525Vac at 47-63Hz, with a 3-phase input. It has a turn-ON voltage of 3 x 305Vac and a shutdown voltage of 3 x 275Vac in steady-state conditions. The QT40.241, part of the Q-series, measures 110mm in width, 124mm in height, and 127mm in depth, and is housed in aluminium. It is designed for a 3-phase network, with a net width of 110mm. The rated power is 960W at both 24Vdc and 28Vdc, with a short-term capacity of 1440W for up to 4 seconds. The output voltage is adjustable between 24Vdc and 28Vdc, with a turn-ON overshoot of 500mV. Protection functions include output overvoltage protection, active input inrush current limiting, and overload/short-circuit protection. It supports series or parallel operation for increased output power and is resistant to back-feeding loads up to 35V. The efficiency rates are 0.952 and 0.953 for 3x480Vac and 3x400Vac inputs, respectively. Peak inrush current consumption is 6A for both 3x400Vac and 3x480Vac inputs. The start-up delay ranges from 500 to 600 seconds, with rise times of 35ms and 40ms under nominal input conditions. The hold time is 25ms for both 3x480Vac and 3x400Vac inputs. Power dissipation losses are 48.4W and 47.3W for 3x480Vac and 3x400Vac inputs, respectively, at full output load. Electrical durability varies with temperature and load conditions, offering up to 322,000 hours of operation at 25°C and 20A output under 3AC 400Vac input. The ripple is 100mVpp across a 20Hz to 20MHz range, with an output stage capacitance of 10200µF.
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PULS QS20.241 is a power supply unit designed for DIN rail mounting, featuring AC/DC conversion with a 50% power reserve. It operates within an ambient air temperature range of -25 to +70°C and offers a design that includes a DC-OK relay contact output. The unit provides a rated current of 20A at 24Vdc and 17A at 28Vdc, utilizing spring-clamp connections for connectivity. It supports a supply voltage range of 85Vac-264Vac for AC and 88Vdc-188Vdc for DC, with specific nominal values listed for both. The QS20.241, part of the Q-series, measures 82mm in width, 124mm in height, and 127mm in depth, and is housed in an aluminium casing. It is compatible with single-phase (1AC) or DC networks, offers a rated power of 480W with a short-term capacity of 720W for up to 4 seconds, and provides an adjustable DC output voltage of 24Vdc-28Vdc. Protection features include output overvoltage protection and active input inrush current limiting, with overload and short-circuit protection. The unit allows for series or parallel operation for increased output power and is designed to handle back-feeding loads without malfunctioning. Efficiency rates vary with input voltage, and the unit exhibits specific current consumption, time delay, hold time, power dissipation/losses, electrical durability, ripple, and capacitance characteristics as detailed in the specifications.
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TXF700 HMI Series Accessories, PoE Injector (M22 Connector for IP67 Connection), Max. 36-W PoE Output Power, Power and data supply for Power over Ethernet, Robust design, Mounting via M22 screw thread on the rear, , Ethernet with 10/100 Mbps, Reverse-polarity protected and short-circuit proof, Surge protection and overcurrent protection
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Power Supply, 90W, AC 100-240V input, 1 phase, 24-28Vdc output, 3.8A, screw terminals
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Power Supply, 960W, AC 380-480V input, 3 phase, 24-28Vdc output, 40A, IO-Link
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Power supply with integrated decoupling function, 480W, AC 100-240V | DC 110-300V input, 1 phase, 24Vdc output, 20A, enhanced DC input
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Power supply with integrated decoupling function, 480W, AC 100-240V | DC 110-150V input, 1 phase, 24Vdc output, 20A, Marine approvals, EMC Class B
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Power Supply, 120W, AC 200-240V input, 1 phase, 24-28Vdc output, 5A, DC-OK relay contact
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PULS QT40.242 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It supports DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. This unit features an extended lifetime and includes a DC-OK relay contact output. It provides a rated current of 40A at 24Vdc and 34.3A at 28Vdc, with a derating to 24W between +60°C and +70°C. The QT40.242 utilizes screw-clamp connections and accepts a wide range supply voltage of 323Vac-576Vac across various nominal voltages (380Vac / 400Vac / 415Vac / 440Vac / 480Vac / 500Vac / 525Vac; 47-63Hz) with a 3-phase input. It belongs to the Q-series and is housed in an aluminium casing with dimensions of W110mm x H124mm x D127mm. Designed for a 3-phase network, it has a net width of 110 mm and offers a rated power of 960W (up to 1440W short-term for 4s). The output voltage is adjustable between 24Vdc and 28Vdc. Protection features include output overvoltage protection and active input inrush current limiter, with overload and short-circuit current protection supporting both series and parallel operation. The unit is resistant to back-feeding loads up to 35V. It achieves an efficiency of 0.952 to 0.953 depending on the input voltage, with a peak current consumption of 6A max. inrush. The start-up delay ranges from 500-600s, with a rise time of 35-40ms and a hold time of 25ms. Power dissipation/losses are 47.3W to 48.4W, depending on the input voltage. Electrical durability varies with conditions, reaching up to 475,000 hours at 25°C and 20A output with a 3AC 400Vac input. Ripple is maintained at 100mVpp, and the output stage capacitance is 10200 µF.
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| Item | Manufacturer | Price | Stock | Delivery | |
|---|---|---|---|---|---|
 | CP20.241-R2-C1 PULS CP20.241-R2-C1 is a DIN rail mounting power supply unit with an aluminium housing designed for a wide range of industrial applications. It operates within an ambient air temperature range of -40 to +70°C and has a net width of 48 mm. The unit consumes current differently based on the input, including 2.25A with 230Vac input, 4.28A with 120Vac input, 5.17A with 100Vac input, and 4.64A with 110Vdc input for a 24Vdc / 10A output, with peak inrush currents of 5.5A and 12A for 230Vac and 120Vac inputs respectively. It features an IP20 degree of protection and achieves efficiencies of 0.952 and 0.938 with 230Vac and 120Vac inputs, respectively. The power supply is resistant to harsh environments, thanks to its conformal coated PCB, and has dimensions of W48mm x H124mm x D127mm. It includes a 450ms start-up delay and rise times of 145ms and 160ms under specified conditions. Protection functions include output overvoltage protection and overload/short-circuit protection, with capabilities for series/parallel operation and resistance to back-feeding loads up to 35V. Power dissipation losses are 24.2W and 31.7W for 230Vac and 120Vac inputs, respectively, with an output stage capacitance of 8000 µF. Electrical durability varies with conditions, offering up to 465,000 hours at 25°C with a 10A output and 1AC 230Vac input. The ripple is specified as 100mVpp. This AC/DC power supply unit, part of the CP-series, is designed with built-in decoupling MOSFET for redundancy, hot-swappable connectors, ATEX approval, and a 20% power reserve. It supports a supply voltage range of 88Vdc-180Vdc for DC and 85Vac-264Vac for AC, with specific shutdown and turn-on voltages. The rated current is 24A at 48Vdc in temperatures up to +45°C, with derating at higher temperatures. It provides a fixed 24Vdc output voltage and includes a 32ms hold time at standard AC inputs. | Puls | $825.00 | Quick Quote | |
 | QT40.241 PULS QT40.241 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It supports DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. This unit features a DC-OK relay contact output and offers rated currents of 40A at 24Vdc and 34.3A at 28Vdc, with a power derating from 24W at +60°C to +70°C. Connection is facilitated through screw-clamp connections. The supply voltage accommodates a wide range of AC inputs from 323Vac to 576Vac, including nominal values of 380Vac, 400Vac, 415Vac, 440Vac, 480Vac, 500Vac, and 525Vac at 47-63Hz, with a 3-phase input. It has a turn-ON voltage of 3 x 305Vac and a shutdown voltage of 3 x 275Vac in steady-state conditions. The QT40.241, part of the Q-series, measures 110mm in width, 124mm in height, and 127mm in depth, and is housed in aluminium. It is designed for a 3-phase network, with a net width of 110mm. The rated power is 960W at both 24Vdc and 28Vdc, with a short-term capacity of 1440W for up to 4 seconds. The output voltage is adjustable between 24Vdc and 28Vdc, with a turn-ON overshoot of 500mV. Protection functions include output overvoltage protection, active input inrush current limiting, and overload/short-circuit protection. It supports series or parallel operation for increased output power and is resistant to back-feeding loads up to 35V. The efficiency rates are 0.952 and 0.953 for 3x480Vac and 3x400Vac inputs, respectively. Peak inrush current consumption is 6A for both 3x400Vac and 3x480Vac inputs. The start-up delay ranges from 500 to 600 seconds, with rise times of 35ms and 40ms under nominal input conditions. The hold time is 25ms for both 3x480Vac and 3x400Vac inputs. Power dissipation losses are 48.4W and 47.3W for 3x480Vac and 3x400Vac inputs, respectively, at full output load. Electrical durability varies with temperature and load conditions, offering up to 322,000 hours of operation at 25°C and 20A output under 3AC 400Vac input. The ripple is 100mVpp across a 20Hz to 20MHz range, with an output stage capacitance of 10200µF. | Puls | $910.00 | Quick Quote | |
 | QS20.241 PULS QS20.241 is a power supply unit designed for DIN rail mounting, featuring AC/DC conversion with a 50% power reserve. It operates within an ambient air temperature range of -25 to +70°C and offers a design that includes a DC-OK relay contact output. The unit provides a rated current of 20A at 24Vdc and 17A at 28Vdc, utilizing spring-clamp connections for connectivity. It supports a supply voltage range of 85Vac-264Vac for AC and 88Vdc-188Vdc for DC, with specific nominal values listed for both. The QS20.241, part of the Q-series, measures 82mm in width, 124mm in height, and 127mm in depth, and is housed in an aluminium casing. It is compatible with single-phase (1AC) or DC networks, offers a rated power of 480W with a short-term capacity of 720W for up to 4 seconds, and provides an adjustable DC output voltage of 24Vdc-28Vdc. Protection features include output overvoltage protection and active input inrush current limiting, with overload and short-circuit protection. The unit allows for series or parallel operation for increased output power and is designed to handle back-feeding loads without malfunctioning. Efficiency rates vary with input voltage, and the unit exhibits specific current consumption, time delay, hold time, power dissipation/losses, electrical durability, ripple, and capacitance characteristics as detailed in the specifications. | Puls | $685.00 | Quick Quote | |
 | PSU20-POE-36W02 TXF700 HMI Series Accessories, PoE Injector (M22 Connector for IP67 Connection), Max. 36-W PoE Output Power, Power and data supply for Power over Ethernet, Robust design, Mounting via M22 screw thread on the rear, , Ethernet with 10/100 Mbps, Reverse-polarity protected and short-circuit proof, Surge protection and overcurrent protection | Turck | Quick Quote | ||
 | PIM90.245-L1 Power Supply, 90W, AC 100-240V input, 1 phase, 24-28Vdc output, 3.8A, screw terminals | Puls | Quick Quote | ||
 | QT40.241-B2 Power Supply, 960W, AC 380-480V input, 3 phase, 24-28Vdc output, 40A, IO-Link | Puls | Quick Quote | ||
| CP20.242-R2 Power supply with integrated decoupling function, 480W, AC 100-240V | DC 110-300V input, 1 phase, 24Vdc output, 20A, enhanced DC input | Puls | Quick Quote | ||
 | CP20.245-R2 Power supply with integrated decoupling function, 480W, AC 100-240V | DC 110-150V input, 1 phase, 24Vdc output, 20A, Marine approvals, EMC Class B | Puls | Quick Quote | ||
 | PIC120.241C Power Supply, 120W, AC 200-240V input, 1 phase, 24-28Vdc output, 5A, DC-OK relay contact | Puls | Quick Quote | ||
| QT40.242 PULS QT40.242 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It supports DIN rail mounting and operates within an ambient air temperature range of -25 to +70°C. This unit features an extended lifetime and includes a DC-OK relay contact output. It provides a rated current of 40A at 24Vdc and 34.3A at 28Vdc, with a derating to 24W between +60°C and +70°C. The QT40.242 utilizes screw-clamp connections and accepts a wide range supply voltage of 323Vac-576Vac across various nominal voltages (380Vac / 400Vac / 415Vac / 440Vac / 480Vac / 500Vac / 525Vac; 47-63Hz) with a 3-phase input. It belongs to the Q-series and is housed in an aluminium casing with dimensions of W110mm x H124mm x D127mm. Designed for a 3-phase network, it has a net width of 110 mm and offers a rated power of 960W (up to 1440W short-term for 4s). The output voltage is adjustable between 24Vdc and 28Vdc. Protection features include output overvoltage protection and active input inrush current limiter, with overload and short-circuit current protection supporting both series and parallel operation. The unit is resistant to back-feeding loads up to 35V. It achieves an efficiency of 0.952 to 0.953 depending on the input voltage, with a peak current consumption of 6A max. inrush. The start-up delay ranges from 500-600s, with a rise time of 35-40ms and a hold time of 25ms. Power dissipation/losses are 47.3W to 48.4W, depending on the input voltage. Electrical durability varies with conditions, reaching up to 475,000 hours at 25°C and 20A output with a 3AC 400Vac input. Ripple is maintained at 100mVpp, and the output stage capacitance is 10200 µF. | Puls | Quick Quote | ||
Power Converters
General Guide & Overview
Power converters are essential components used to process and control the flow of electric energy in various applications, ranging from power supplies for personal computers to spacecraft power systems. They convert an unregulated DC voltage into a regulated DC or AC voltage that is suitable for the load.
Power converters can be classified into different types based on their circuit topologies, such as buck converters, boost converters, buck-boost converters, Cuk converters, and SEPIC converters. These converters utilize switched-mode circuits to achieve high efficiency, typically ranging from 70% to 95%. They employ semiconductor devices like diodes, MOSFETs, IGBTs, BJTs, or thyristors as switches to change the magnitude and/or polarity of the voltage.
The conversion ratio of a power converter is controlled by the duty cycle of the switch, which determines the average voltage output. The efficiency and performance of power converters can be improved through the use of advanced techniques, including pulse-width modulation (PWM) for control and regulation, as well as the implementation of feedback systems to maintain stable output voltages.
The selection of a power converter depends on factors such as the input voltage, desired output voltage, power requirements, and overall system design. Power converters find applications in a wide range of industries, including electronics, telecommunications, automotive, renewable energy, and more. They are crucial in enabling the efficient and reliable operation of various electronic devices and systems.
Types of Power Converters and Their Applications
Power converters play a fundamental role in numerous applications, enabling the efficient conversion of electric energy from one form to another. Among the different types of power converters available, buck converters, boost converters, buck-boost converters, Cuk converters, and SEPIC converters are widely used in various industries.
Buck Converters: Buck converters are commonly utilized in power supply systems where the input voltage needs to be stepped down to a lower output voltage. These converters efficiently reduce the voltage level and have a conversion ratio equal to the duty cycle of the switch.
Boost Converters: In contrast to buck converters, boost converters are employed when the input voltage needs to be increased to a higher level. They amplify the voltage magnitude and have a conversion ratio given by 1/(1 - duty cycle). Boost converters find applications in various fields where voltage boosting is required.
Buck-Boost Converters: Buck-boost converters offer the versatility of both stepping up and stepping down the voltage. This capability allows for a wider range of output voltages, making them suitable for applications with flexible voltage requirements.
Cuk Converters: Cuk converters and SEPIC (Single-Ended Primary Inductance Converter) converters have similar functionalities. They can both increase or decrease the voltage magnitude, but they do not invert the voltage polarity. These types of converters are frequently used in battery charging systems, renewable energy systems, and voltage regulators.
The choice of a specific power converter depends on several factors, including the desired voltage levels, power rating, efficiency, and cost considerations. Each type of converter has its unique advantages and applications, making them suitable for different scenarios. By understanding the specific requirements of an application, engineers, and designers can select the most appropriate power converter to ensure optimal performance and efficiency.
Power converters are indispensable components in a wide range of electronic systems and applications. They efficiently convert electric energy from one form to another, enabling the operation of various devices and systems by providing the necessary voltage and current levels. The different types of power converters, including buck converters, boost converters, buck-boost converters, Cuk converters, and SEPIC converters, offer versatility in voltage conversion and find applications in diverse scenarios.
An essential consideration in power converters is efficiency, as it directly impacts energy wastage and heat generation during the conversion process. High-efficiency power converters are desirable to optimize energy usage and minimize environmental impact. The advancements in semiconductor technology and control techniques have contributed to the development of more efficient and reliable power converters.
Looking ahead, power converters are expected to become even more efficient, compact, and cost-effective as technology continues to evolve. Their applications will expand to meet the growing demand for clean and sustainable energy solutions, driving innovation in power conversion technologies.
FAQ
What are power converters?
Power converters are essential components used to process and control the flow of electric energy in various applications, converting an unregulated DC voltage into a regulated DC or AC voltage suitable for the load.
What types of power converters are there?
Power converters can be classified into different types based on their circuit topologies, such as buck converters, boost converters, buck-boost converters, Cuk converters, and SEPIC converters.
What is the purpose of a buck converter?
Buck converters reduce the voltage level and are commonly used in power supplies to step down a higher input voltage to a lower output voltage.
How do boost converters work?
Boost converters increase the voltage magnitude and are used in applications where the input voltage needs to be boosted to a higher level.
What is the advantage of buck-boost converters?
Buck-boost converters have the ability to both step up and step down the voltage, providing a wider range of output voltage options.
In what applications are Cuk and SEPIC converters commonly used?
Cuk and SEPIC converters can increase or decrease voltage magnitude without inverting voltage polarity, making them suitable for battery charging systems, renewable energy systems, and voltage regulators.
How are power converters controlled?
Power converters can be controlled and regulated using techniques such as pulse-width modulation (PWM) and feedback systems to maintain stable output voltages.
What factors should be considered when selecting a power converter?
The selection of a power converter depends on factors such as the input voltage, desired output voltage, power requirements, and overall system design.
Why is efficiency important in power converters?
Efficiency is important in power converters as it determines the amount of power lost during the conversion process. Higher efficiency means less energy wastage and reduced heat generation.
How are power converters expected to evolve in the future?
With advancements in semiconductor technology and control techniques, power converters are expected to become even more efficient, compact, and cost-effective to meet the growing demand for clean and sustainable energy solutions.