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The SFL DC Electronic Load Series is a multi-functional programmable DC Electronic Load series that offers power levels of 300W (3U Half-Rack) and 1kW (3U Full-Rack) with high-speed current control (no dynamic overshoot/oscillation), high slew-rate (up to 30A/us) and stable operation at low voltage with no turn-On delay. It is lightweight and has a user-friendly front panel with built-in (USB) and optional (IEEE) communication Interfaces.
Some electronic loads may have discontinuity and not allow load current to flow below a minimum operating voltage. Due to low voltage operating optimization the SFL DC Electronic Load Series is able to emulate a resistor where the load current flows and changes linearly from 0V thereby eliminating current cut-off at low operating voltage. This also eliminates any soft-start delay (where load current does not flow until a minimum operating voltage is achieved) and allows low voltage
Parallel operation (via rear panel connection) is achieved by connecting units of the same voltage rating in parallel, connecting a parallel cable from unit-to-unit and setting one unit as the Master unit and all other units as Slave units. Up to nine Slave units can be connected in a system allowing load systems of up to 10kW to be configured. Load system control is performed by the Master unit where total load system current or power can be set up and displayed on the Master unit front panel.
Multi-channel synchronous operation (with triggering) allows multiple DC electronic loads to be connected to separate devices by using the same parallel cable connection from unit-to-unit. Synchronized load ON/OFF and Dynamic operation are featured in a Master-Slave configuration with up to ten units total (up to 10kW total).
Several Protection functions and Alarms are featured including Current Limit (OCP), Power Limit (OPP), Over-Temperature protection (OTP), Over-Voltage protection (OVP) Alarm and Reverse Connection Alarm.
The Current Limit (OCP) has an adjustable limit threshold where the load can be set to either maintain operation at the limit threshold or shut down where the Power Limit (OPP) is set to 100% of rated power and can maintain load operation at the limit threshold or shut down.
ACA TMetrix Inc. is a leading Canadian distributor of test and measurement instruments and design tools. For over 55 years we have provided products manufactured by the world’s leading instrument manufacturers. Leading Distributor of Design Tools and Test Equipment in Canada.
|Model Number||Rated Power (Watts)||Rated Voltage (V)||Rated Current (A)||Slew Rate (A/us)||Load Modes||Operating Modes||Construction|
|SFL 120-60-300||300||120||60||5mA/us-20A/us||CC, CR, CP, CV, EXT, Short, CV+Climit||Normal (DC),
|3U Half Rack|
|SFL 500-12-300||300||500||12||0.25mA/us-1A/us||3U Half Rack|
|SFL 120-180-1K||1000||120||180||7.5mA/us-30A/us||3U Full Rack|
|SFL 500-36-1K||1000||500||36||0.75mA/us-3A/us||3U Full Rack|