QT20.481 Puls AC/DC Power Supplies

Name: QT20.481
Brand: Puls

Part#:QT20.481

Manufacturer:Puls

Category:AC/DC Power Supplies

Product Lifecycle:Active

Product description

PULS QT20.481 is a power supply unit designed for AC/DC conversion with a 50% power reserve, suitable for DIN rail mounting. It operates within an ambient air temperature range of -25 to +70°C and features a design that includes a DC-OK relay contact output. The unit provides a rated current of 10A at 48Vdc and 8.7A at 55Vdc, with a power derating applicable from 12W at +60°C to +70°C. Connection is facilitated through spring-clamp connections. It supports a wide range supply voltage from 323Vac to 576Vac across various nominal voltages (380Vac / 400Vac / 415Vac / 440Vac / 480Vac / 500Vac / 525Vac) at 47-63Hz, indicating a 3-phase input capability with specific turn-ON and shutdown voltages. The QT20.481, part of the Q-series, measures 65mm in width, 124mm in height, and 127mm in depth, housed in aluminium for durability. It is designed for a 3-phase network, with a rated power of 480W at both 48Vdc and 55Vdc, and can momentarily support up to 720W for short durations (4s). The output voltage is adjustable between 48Vdc and 55Vdc. Protection features include output overvoltage protection and active input inrush current limiting, with capabilities for overload/short-circuit protection, series/parallel operation, and back-feeding load resistance. Efficiency rates are high, at 0.95 for a 3x480Vac input and 0.954 for a 3x400Vac input. The unit exhibits a peak current consumption of 10A at both 3x400Vac and 3x480Vac inputs, with specific start-up delay and rise times. Hold time is consistent at 22ms for both 3x480Vac and 3x400Vac inputs. Power dissipation varies with input voltage, and the unit's electrical durability is rated in hours across different conditions. Ripple is maintained at 100mVpp across a 20Hz to 20MHz range, with an output stage capacitance of 250µF.

Product Details

UL File No.
E198865
Phase
3 Phase
Height
124 mm
Width
65 mm
Depth
127 mm
Current Output
10 A
Current Input
0.79 A
Power
480 W
Efficiency
95.4 %

Product condition

New Factory Sealed

New Factory Sealed - New condition, never used, original OEM part with original packaging and factory seal.

QT20.481 Related Documents

Datasheet.pdf

Manufacturer warranty

QT20.481 Puls

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Compare QT20.481 with other products

UL File No.

Phase

Height

Width

Depth

Current Output

Current Input

Power

Efficiency

Selected product

0 in stock

QT20.481

Puls

PULS QT20.481 is a power supply unit designed for AC/DC conversion with a 50% power reserve, suitabl...

UL File No.E198865

Phase3 Phase

Height124 mm

Width65 mm

Depth127 mm

Current Output10 A

Current Input0.79 A

Power480 W

Efficiency95.4 %

4 in stock

CP10.241-S2

Puls

PULS CP10.241-S2 is a DIN rail mounting power supply unit with an aluminium housing. It operates wit...

UL File No.E198865

Phase1 Phase

Height124 mm

Width39 mm

Depth117 mm

Current Output10 A

Current Input2.15 A

Power240 W

Efficiency95.2 %

1 in stock

ML15.051

Puls

PULS ML15.051 is a power supply unit (PSU) / converter designed for DIN rail mounting. It operates w...

UL File No.E198865

Phase1 Phase

Height75 mm

Width23 mm

Depth91 mm

Current Output3 A

Current Input0.28 A

Power15 W

Efficiency77.2 %

About the manufacturer

Powermatic Associates is an authorized Puls distributor, proudly offering their innovative and reliable industrial power supply solutions. Puls is a renowned manufacturer specializing in high-quality DIN rail power supplies, engineered to deliver optimal performance and efficiency across various demanding applications. Their product portfolio includes single-phase and three-phase power supplies, DC-UPS systems, redundancy modules, and buffer modules, all designed with cutting-edge technology to ensure maximum reliability and energy efficiency. Puls power supplies are known for their compact design, which saves valuable space in control cabinets, and their superior efficiency ratings, which reduce energy consumption and operational costs. These power supplies also feature robust construction and advanced thermal management, ensuring they perform effectively even under challenging environmental conditions. With wide input voltage ranges and numerous output voltages, Puls products are versatile and adaptable to various industrial sectors, including manufacturing, automation, and process control. By partnering with Puls, Powermatic Associates leverages this outstanding quality and engineering excellence to offer our customers unparalleled power solutions that enhance system reliability and uptime. The modularity and scalability of Puls products allow them to be easily integrated into existing systems, providing flexibility for future expansions. This makes them ideal for customers looking to optimize their infrastructure with minimal disruption. Furthermore, Puls provides comprehensive support and resources, aiding customers in selecting the right power supply solutions tailored to their specific needs. As part of our partnership, Powermatic Associates extends this expert guidance, ensuring seamless integration and optimal performance of Puls products in your operations. Our dedicated team offers valuable insights and technical support, helping you harness the full potential of Puls's innovative technologies. With Powermatic Associates, you benefit not only from the superior quality of Puls products but also from our commitment to delivering exceptional service and rapid delivery. Our extensive inventory ensures that you receive the necessary components promptly, minimizing downtime and enhancing productivity. By choosing Powermatic Associates and Puls, you invest in a partnership focused on driving efficiency and success in your industrial applications.

About the Product Category

AC/DC power supplies are power supplies that convert alternating current from the grid into direct current that is needed to power most electronics. AC/DC power supplies are integral components in systems that make the world go round.

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