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UF20.481 Puls Buffer Modules

Puls UF20.481 PULS UF20.481 is an Uninterruptible Power Supply (UPS) control module, part of the UF-series, designed as a bfr. module with capacitive storage and features a green status LED. It is housed in aluminium and utilizes spring-clamp connections for connectivity. This module measures W64mm x H124mm x D102mm and operates on a supply voltage range of 38.4Vdc to 60Vdc, with a nominal voltage of 48Vdc. It is rated for a current of 20A (bfr.) and is designed for DIN rail mounting. The UF20.481 can operate in ambient air temperatures ranging from -25 to +70°C and is suitable for DC networks. It includes a visual position indicator for Ready, Buffering, and Inhibit statuses. The module offers protection functions including output overvoltage protection, with typical protection at 58Vdc and a maximum of 60Vdc. Buffer modules can be connected in parallel to increase output ampacity or hold-up time. It provides a fixed output voltage of 48Vdc, boasts an efficiency of 0.99 at 48Vdc input, and offers a hold time of 15ms / 0.15s at a 20A load. Power dissipation/losses are 1.9 W at 24Vdc input with 0A output current. Ripple is specified as 250mVpp at 5A, 400mVpp at 10A, and 600mVpp at 20A, across a frequency range of 20Hz to 20MHz at 50Ω. Its electrical durability is rated at 161,000 hours at 40°C and 457,000 hours at 25°C in standby mode.
Puls

Part#:UF20.481

Manufacturer:Puls

Product Lifecycle:Active

In-stock parts: 10

Nov 5, 2024

PULS UF20.481 is an Uninterruptible Power Supply (UPS) control module, part of the UF-series, designed as a bfr. module with capacitive storage and features a green status LED. It is housed in aluminium and utilizes spring-clamp connections for connectivity. This module measures W64mm x H124mm x D102mm and operates on a supply voltage range of 38.4Vdc to 60Vdc, with a nominal voltage of 48Vdc. It is rated for a current of 20A (bfr.) and is designed for DIN rail mounting. The UF20.481 can operate in ambient air temperatures ranging from -25 to +70°C and is suitable for DC networks. It includes a visual position indicator for Ready, Buffering, and Inhibit statuses. The module offers protection functions including output overvoltage protection, with typical protection at 58Vdc and a maximum of 60Vdc. Buffer modules can be connected in parallel to increase output ampacity or hold-up time. It provides a fixed output voltage of 48Vdc, boasts an efficiency of 0.99 at 48Vdc input, and offers a hold time of 15ms / 0.15s at a 20A load. Power dissipation/losses are 1.9 W at 24Vdc input with 0A output current. Ripple is specified as 250mVpp at 5A, 400mVpp at 10A, and 600mVpp at 20A, across a frequency range of 20Hz to 20MHz at 50Ω. Its electrical durability is rated at 161,000 hours at 40°C and 457,000 hours at 25°C in standby mode.

About the manufacturer: Puls is one of the manufacturers that offers Buffer Modules that you can order at Quotebeam.com. Puls specializes in AC/DC power supplies, dedicating its efforts solely to the development of premium DIN rail power supplies. As a leading authority in power conversion, Puls distinguishes itself through focused engineering and an unwavering commitment to quality, positioning itself as the top leader in the field. This dedication ensures the highest standard in the industry, reflecting in every product they offer.

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Product condition

ORIGINAL PACKAGING

SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging

Related documents UF20.481 Specs

UF20.481 Datasheet

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1-year warranty

$425.31

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Puls Disclaimer:

The product is unused surplus. Quotebeam is not an authorized surplus dealer or affiliate for the Manufacturer of this product. Products may feature older date codes or be from an earlier series than what is currently available from the manufacturer or authorized dealers. Because Quotebeam is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Puls Controls products will have firmware already installed, Quotebeam makes no representation as to whether a Controls product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Quotebeam also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Puls, its distributors, or any other source. Quotebeam also makes no representations as to your right to install any such firmware on the product. Quotebeam will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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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.

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PULS PISA11.401 is a protection unit designed as a 4-channel protection module with 1 input and 4 outputs, suitable for DIN rail mounting. It operates within an ambient air temperature range of -25 to +70°C and adheres to NEC Class 2 design specifications. The rated current is 20A, distributed as 6A + 6A + 12A + 12A with a derating of 0.025A/+60°C to +70°C for each channel. It features screw-clamp connections for secure installation. As part of the PISA11-series, this unit has dimensions of W45mm x H75mm x D91mm and requires a supply voltage of 18Vdc to 30Vdc, with 24Vdc being typical and 21.4Vdc needed to turn on the outputs. The output voltage is adjustable between 24Vdc and 28Vdc. Protection functions include short-circuit protection with an 8ms shutdown time and current limitation with a 20.5A to 30A adjustable threshold. Power dissipation at full output load with a 24V input is 4.2W. The processing time for turn-on delay of output is 270ms, and the voltage drop across channels 1+2 and 3+4 is 178mV and 182mV, respectively. Electrical durability is rated at 171,000 hours at 40°C and 485,000 hours at 25°C for outputs of 2x3A and 2x5A.

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UF20.241 Part Image. Manufactured by Puls.

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PULS UF20.241 is an Uninterruptible Power Supply (UPS) control module, part of the UF-series, designed as a buffer module with capacitor storage featuring a green status LED. This product is housed in aluminum and utilizes spring-clamp connections for secure installation. It measures W64mm x H124mm x D102mm and is designed for DIN rail mounting. The UF20.241 operates with a supply voltage range of 19.2Vdc to 30Vdc, with a nominal voltage of 24Vdc, and supports a rated current of 20A before fusing. It is engineered to function within an ambient air temperature range of -25 to +70°C and is suitable for DC networks. The module includes a visual position indicator for Ready, Buffering, and Inhibit statuses. It offers protection functions including output overvoltage protection, with typical protection at 32Vdc and a maximum of 35Vdc. The UF20.241 allows for parallel connection of buffer modules to enhance output ampacity or hold-up time. It delivers a fixed output voltage of 24Vdc, boasts an efficiency of 0.99 with a 24Vdc input, and provides a hold time of 31ms / 0.31s at a 20A load. Power dissipation is calculated at 1.9 W for a 24Vdc input at 20A output current, with a ripple of 200mVpp across a frequency range of 20Hz to 20MHz at 50Ω. Its electrical durability is rated at 166,000 hours in standby mode at 40°C and 469,000 hours at 25°C.

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QS10.301 Part Image. Manufactured by Puls.

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PULS QS10.301 is a power supply unit designed for DIN rail mounting, featuring AC/DC conversion capabilities 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 8.6A at 28Vdc, 8A at 30Vdc, and 7.5A at 32Vdc, with spring-clamp connections for secure attachment. It supports a supply voltage range of 85Vac-264Vac for AC and 88Vdc-188Vdc for DC, accommodating various network types including single-phase (1AC) or DC. The QS10.301 is housed in an aluminium casing, measuring 60mm in width, 124mm in height, and 117mm in depth. It delivers an adjustable output voltage of 28Vdc-32Vdc, with a rated power of 240W and a short-term capacity of 360W for up to 4 seconds. Protection features include output overvoltage protection and active input inrush current limiting, with overload and short-circuit protection ensuring operational stability. The unit is designed for series or parallel operation to increase output power, with a high efficiency of up to 0.935 depending on the input voltage. It exhibits a peak current consumption of 10A, a start-up delay of 340-800ms, and a hold time of 23ms at 230Vac input. Power dissipation is noted at 16.7W for 230Vac input under full load. The QS10.301 demonstrates electrical durability with operational lifespans ranging up to 200,000 hours under specific conditions, and features a ripple of 50mVpp across a wide frequency range, with an output stage capacitance of 7000µF.

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