QT40.481 Puls AC/DC Power Supplies

Name: QT40.481
Brand: Puls

Part#:QT40.481

Manufacturer:Puls

Category:AC/DC Power Supplies

Product Lifecycle:Active

Product description

PULS QT40.481 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 design that includes a 50% power reserve and a DC-OK relay contact output. It offers a rated current of 20A at 48Vdc and 17.8A at 54Vdc, with a power derating applicable from 24W at +60°C to +70°C. The QT40.481 utilizes screw-clamp connections for its inputs and outputs and is designed to work with a supply voltage (AC) ranging from 323Vac to 576Vac across various nominal voltages, accommodating a wide range of 3-phase inputs. It belongs to the Q-series and is housed in an aluminium casing with dimensions of W110mm x H124mm x D127mm. This unit is compatible with 3-phase networks and has a net width of 110 mm. Its rated power is 960W at both 48Vdc and 54Vdc, with a short-term capacity of 1440W for up to 4 seconds. The output voltage is adjustable between 48Vdc and 54Vdc. Protection features include output overvoltage protection and active input inrush current limiting, with overload and short-circuit protection ensuring operational stability. The QT40.481 supports series or parallel operation for increased output power and is resistant to back-feeding loads up to 63V. It boasts high efficiency rates of 0.952 and 0.954 for 3x480Vac and 3x400Vac inputs, respectively. Peak inrush current consumption is capped at 6A for both 3x400Vac and 3x480Vac inputs. The unit exhibits a start-up delay of 500-600s and rise times of 23ms and 47ms under specified conditions, with a hold time of 25ms. Power dissipation losses are noted at 48.4W and 46.3W for full output loads at 3x480Vac and 3x400Vac inputs, respectively. Its electrical durability spans up to 324000 hours at 25°C and 10A output for a 3AC 400Vac input, with varying durability at different temperatures and outputs. The ripple is specified at 150mVpp across a 20Hz to 20MHz range, and the output stage capacitance is 3700 µF.

Product Details

UL File No.
E198865
Phase
3 Phase
Height
124 mm
Width
110 mm
Depth
127 mm
Current Output
20 A
Current Input
1.65 A
Power
960 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.

QT40.481 Related Documents

Datasheet.pdf

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Compare QT40.481 with other AC/DC Power Supplies products

UL File No.

Phase

Height

Width

Depth

Current Output

Current Input

Power

Efficiency

Selected product

Backordered

QT40.481

Puls

PULS QT40.481 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It supp...

UL File No.E198865

Phase3 Phase

Height124 mm

Width110 mm

Depth127 mm

Current Output20 A

Current Input1.65 A

Power960 W

Efficiency95.4 %

1 in stock

QS10.121

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PULS QS10.121 is a power supply unit designed for AC/DC conversion with a 50% power reserve. It feat...

UL File No.E198865

Phase1 Phase

Height124 mm

Width60 mm

Depth117 mm

Current Output15 A

Current Input1.65 A

Power180 W

Efficiency91.8 %

1 in stock

CPS20.121

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PULS CPS20.121 is a DIN rail mounting power supply unit with an aluminium housing designed for a wid...

UL File No.E198865

Phase1 Phase

Height124 mm

Width65 mm

Depth127 mm

Current Output30 A

Current Input3.3 A

Power405 W

Efficiency92.6 %

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, D...

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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