adjustable power supplies

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adjustable power supplies

Product catalog summary

Specifications Overview

Visual and Interface: The device features a large graphic display with a sensitive keypad and offers connectivity options such as USB, RS232, RS485, and optional LAN. LabVIEW™ drivers are included.
Performance: It includes a rear-panel output for remote sensing and supports functions like arbitrary, square, positive and negative ramp, rise or fall time.
Design: The design is compact and lightweight, featuring a built-in handle and cord storage. It operates silently with a temperature-controlled fan for cooling.
Protection: The device is equipped with overvoltage and overcurrent protection (OVP/OCP), short-circuit protection, and a thermal circuit-breaker for overtemperature.

Technical Specifications

Voltage: Adjustable from 0 to 32.00 Volts with a resolution of 10 mV, ensuring stable output through regulation and ripple specifications.
Current: Adjustable from 0 to 20.00 Amps with a resolution of 10 mA, featuring automatic constant current operation.
Efficiency and Power: Efficiency ranges from 78-84% depending on the model, with power consumption between 126 W and 770 W.
Safety and Compliance: Complies with EN 61010-1, CAT II, and EN 61326-1 standards, ensuring enhanced safety between mains input and outputs.

Additional Features

Memory: Offers 16 memory slots, 15 of which are configurable.
Remote Sensing: Features an automatic function with 4-wire mode for voltage drop correction.
Interfaces: Provides insulated interfaces with options for Ethernet connectivity.
Operating Conditions: Suitable for temperatures between +5 to +40 °C.

Adjustable Power Supply Overview
This document details the specifications and features of various adjustable power supplies by ELC, designed for precision, safety, and ease of use, catering to different voltage and current requirements.

Specifications

Safety: All models comply with EN 61010-1, overvoltage category II, pollution degree 2, ensuring enhanced safety between mains input and outputs. They feature toroidal transformers and comply with relevant EMC standards.
Input Voltage: 230 V ±10%, 50/60 Hz.
Power Consumption: Varies by model, ranging from 100 VA to 620 VA.
Dielectric Strength: Typically 2300 V between input, output, and chassis.
Outputs: Safety terminals and inverted earth terminals are standard.

Power Supply Features

Digital Display: All models feature digital displays for voltage and current, enhancing precision and ease of monitoring.
Modes: Various modes such as independent, tracking, series, and parallel are available, allowing flexibility in configuration.
Protection: Short circuit, overtemperature, and overcurrent protections are standard across models, ensuring reliability and safety.
Cooling: Silent, temperature-controlled fan cooling is employed to maintain optimal operating conditions.

Model-Specific Details

AL 936N: Offers up to 200 watts with multiple configurations for voltage and current outputs, including series and parallel modes.
ALR3003D: Provides 180 watts with features like automatic mode selection and fine voltage adjustment.
AL 924A: Capable of delivering 300 watts, with adjustable current ranges and automatic constant voltage or current operation.
AL 781NX: A 150-watt model with selectable current ranges and precise voltage adjustment.
AL 991S: Features triple outputs and compatibility with RS232, USB, or LAN interfaces, suitable for integration with LabVIEW™.

Conclusion
ELC's range of adjustable power supplies is designed to meet diverse needs, offering precision, safety, and flexibility. Each model is equipped with essential protections and features to ensure reliable performance in various applications.

Specifications:

Input Voltage Range: 20 to 30 V
Maximum Output Power: 60 W
Current Output: ±15 V at 2 A

Protections:

Short-circuit protection via current limit
Overcurrent protection with a fuse
Overtemperature protection using a thermal circuit-breaker

Product Features:

Model: ALF1502D
Output Options: ±10 to 15 V at 2 A, 12 V at 5 A, or 24 V at 2 A
Practical Features: ON/OFF switch, power-on indicator
Output Power: 60 W available on the positive output alone
Precision: Output ripple less than 3 mV rms
Adjustable Output Voltage: From ±10 to ±15 V
Protection: Against short circuits
Durability: Resistant to shock
Symmetric Power Supply Options: +15 V, 12 V, or 24 V

Catalog excerpts

PROGRAMMABLE POWER SUPPLY EAN CODE : 3760244880062 VISUAL : Large graphic display SOFT-TOUCH : Sensitiv keypad CONNECTED : USB, RS232, RS485, (LAN option*) & 0-10 V isolated LabVIEW™ drivers and executable provided PERFORMANCE : output in the rear-panel,used for remote-sensing FUNCTIONS : Arbitrary, square, positive and negative ramp, rise or fall time ELEGANT : New design and feathery SPACE-SAVING : vertical & COMPACT BOX / 640 W PRACTICAL : Lightweight with built-in handle and cord storage area. QUIET : Silent temperature-controlled fan cooling. LOCKING : configuration & stand-by *OPTION : RSETHER • Floating outputs : on 4 mm safety terminals in the front-panel, and on screw terminal block for 2.5 mm² on the rear-panel. • Automatic constant voltage operation. • Adjustable from 0 to 32.00 Volts (0 to ±10 mV) ; resolution : 10 mV. • Setting accuracy : < 0,03% that to say ±10 mV. • Regulation : < 50 mV for a load change from 10 to 90%. < 1 mV for a ±10% line change. •Ripple : < 1 mV rms including : < 3 mV peak to peak of noise (BP 20 MHz) < 15 mV peak to peak of switching spikes • Internal resistance : < 4 mΩ. • Display : 4 digits on graphic LCD. • Accuracy measurement : < 0,03% that to say ±10 mV. • Automatic constant current operation. • Adjustable from 0 to 20.00 Amps ; resolution : 10 mA. • Setting accuracy : < 0,05% that to say ±10 mA. • Regulation : < 10 mA for a load charge from 10 to 90%. < 1 mA for a ±10% line charge. • Ondulation : < 6 mA peak to peak or 2 mA rms. • Display : 4 digits on graphic LCD. • Accuracy measurement : < 0,05% that to say ±10 mA. • Against short-circuits, by current regulation. • Against overtemperature by fan and thermal circuit-breaker. • Against overcurrent on main input, by internal fuses. • Dispaly : Graphic LCD 128 x 64 pixels with white backlight. Visualization of all parameters CV (Constant Voltage) mode or CC (Constant Current) • Memories : 16 including 15 configurable. 1 3 d m • OVP/OCP : Against overvoltage and overcurrent, adjustable from 0 to maxi. • Functions : 6 available on U or I (Arbitrary, square, rising and falling periodically ramp, rise or fall time single shot). Time adjustement from 10 ms to 60 mn. • Remote sensing : automatic function on the front side output. 4 wires mode on the back-side's terminal blocks. Correction of the voltage drop in the wires : 2 V • Standby : output, enable / disabled and standby of the power supply. 3 All the interfaces are insulated of the output (150 VDC max). • USB, RS232 and RS485 as a standard. •*ETHERNET option : RS232 / RS485 / RS422 adapter kit to ETHERNET. • LabVIEW™'s drivers as a standard. • Controller 0 – 10 V : for U and I by direct input 0 - 10 V or potentiometer or adjustable resistance 10 kW. In the back side on disconnect scribe terminal blocks. Other specifications • Safety : Class I, enhanced safety between mains input and outputs. Complies with EN 61010-1, CAT II. • CEM : Complies with EN 61326-1 and EN 55011. • Input voltage : 220 - 240 Volts ±10%, 50/60Hz. • Mains input : Socket CE14 with C13, 2 poles + earth cable removable • Power consumption : 770 W maxi. • Efficiency : > 84% of the maxi powerful. • Operating temperature : +5 to +40 °C. • Coefficient of temperature /°C : 0.01% for the voltage ; 0.05% for the current. • Voltage on the earth : 150 VDC Max. • Presentation : Front-panel with sensitiv keyp

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PROGRAMMABLE POWER SUPPLY 2 outputs Powerful! # VISUAL SOFT-TOUCH CONNECTED PERFORMANCE COUPLING FUNCTIONS ELEGANT SPACE-SAVING PRACTICAL QUIET LOCKING : Large graphic display : Sensitiv keypad : USB, RS485, (LAN option)* & 0-10 V isolated LabVIEW™ drivers and executable provided : output in the rear-panel with remote-sensing : Auto mode : Series, Parallel, Tracking : Arbitrary, square, positive and negative ramp, rise or fall time : New design and feathery : vertical & COMPACT BOX / 385 W : Lightweight with built-in handle and cord storage area. : Silent temperature-controlled fan cooling. :...

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PROGRAMMABLE POWER SUPPLY 3 outputs Powerful! EAN CODE : 3760244880888 ^ ^ VISUAL SOFT-TOUCH CONNECTED PERFORMANCE COUPLING FUNCTIONS ELEGANT SPACE-SAVING PRACTICAL QUIET LOCKING : Large graphic display : Sensitiv keypad : USB, RS485, (LAN option)* & 0-10 V isolated LabVIEW™ drivers and executable provided : CH1 and CH2 outputs in the rear-panel with remote-sensing : Auto mode : Series, Parallel, Tracking : Arbitrary, square, positive and negative ramp rise or fall time : New design and feathery : vertical & COMPACT BOX / 400 W : Lightweight with built-in handle and cord storage area. : Silent...

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It EAN CODE : 3780244880925 COMPACT 1 output Compact ALR3203 VISUAL : Large graphic display SOFT-TOUCH : Sensitiv keypad CONNECTED : USB isolated, LabVIEW™ drivers and executable provided FUNCTIONS : Arbitrary, square, positive and negative ramp, rise or fall time ELEGANT : New design and feathery SPACE-SAVING : vertical case, COMPACT DESIGN PRACTICAL : Lightweight with built-in handle and cord storage area. QUIET : Without fan. LOCKING : configuration & stand-by 96 WATTS LabVIEW™ 0 - 32 V 0 - 6 A (96 WATTS MAX.) Specifications Voltage • Floating outputs : on 4 mm safety terminals. • Automatic...

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AL 936N EASY : Direct digital display of voltage and current, even in the series or parallel mode. SURE : Automatic disconnection each time the master and slave channel configuration is changed. COMPLETE : Third channel with fixed or variable position and voltage or current display. EFFECTIVE : Idc adjustment independent of load. QUIET : Silent temperature-controlled fan cooling. Power supplies A and B (master and slave) • The Standby mode disconnects the output terminals. It is automatic upon a change of mode. • The Idc push-button shorts the output in the standby mode. It is used for setting...

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adjustable power supplies

adjustable power supplies

Catalog excerpts

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