TTi EX355 35V/5A 175W Single Output DC Bench Power SupplyKey Features At A Glance Single, dual and triple output bench models offered across the series Voltage up to 150V and current up to 10A across the range Output powers from 175 watts to 420 watts across the series Mixed-mode regulation: switch-mode pre-regulation with linear post-regulation Constant voltage or constant current with automatic crossover and mode indication Simultaneous digital voltage and current metering on 14mm (0.56") LED displays Fan-less convection cooling for silent operation (EX4210R is fan-assisted) RS-232 programmable model (EX355P) available for remote control The EX Series from Thurlby Thandar Instruments (TTi) is a range of compact, high-power bench DC power supplies offered in single, dual and triple output versions. The series delivers voltages up to 150V and currents up to 10A, with output powers spanning 175 to 420 watts. A mixed-mode regulation scheme combines switch-mode pre-regulation with linear post-regulation to provide performance comparable with an all-linear design, while the attractive, highly compact case style keeps bench space and weight to a minimum.Across the range the main outputs operate in constant voltage or constant current mode with automatic crossover and mode indication, with coarse and fine voltage controls and a logarithmic current control for accurate setting of low current levels. Several models are aimed at specific needs: the EX354T adds a switchable 'logic voltage' output that can be set to 5V or 3.3V to suit low-voltage logic devices, and the EX4210R is offered as a test source for the new generation of automotive electrical parts that use 42V (18-cell) batteries in place of 14V (6-cell) systems, reducing currents and wiring losses.ValueTronics stocks and holds its own inventory in a 20,000 square foot secure warehouse at 1675 Cambridge Drive in Elgin, Illinois. Holding stock directly lets our team match the right EX Series configuration to your bench power requirement and ship it without unnecessary delay.Compare Other Models in This SeriesThe EX Series is a family of compact, high-power bench DC power supplies available in single, dual and triple output configurations. Across the family, voltages reach up to 150V and currents up to 10A, with rated powers from 175 to 420 watts, and all models share the same mixed-mode regulation, constant-voltage/constant-current operation with automatic crossover, and simultaneous digital metering.Within the family, EX-P models add an isolated RS-232 interface for remote control, while EX-R models offer higher output currents together with switchable remote sense and extended voltmeter resolution. The EX752M stands apart with Multi-Mode operation that reconfigures its two outputs for dual, higher-current, or higher-voltage single-output operation.Each new model linked below is its own dedicated product page with condition-matched pricing. Select the specific EX Series output configuration that matches your voltage, current and power requirement; the price shown reflects the new condition of that individual unit.The single-output models include the EX355 and the programmable EX355P (both 35V/5A, 175 watts), the EX1810R (18V/10A, 180 watts) and the EX4210R (42V/10A, 420 watts); the EX-R units add switchable remote sense and extended voltmeter resolution to support their higher currents. The dual-output models are the EX354D, with two independent and isolated 35V/4A outputs at 280 watts, and the Multi-Mode EX752M at 300 watts, which can be configured as 2 x 75V/2A, 1 x 75V/4A, or 1 x 150V/2A.The triple-output EX354T pairs two isolated 35V/4A outputs with an additional logic output rated 5A at a switch-selectable 5V or 3.3V, for a total of 305 watts. The EX355P is the RS-232 programmable member of the range. The comparison table below details the voltage, current, output count and power differences across each model. Model Output Voltage Output Current Output Power EX355 0 to 35V 0 to 5A 175 W EX355P 0 to 35V 0 to 5A 175 W EX1810R 0 to 18V 0 to 10A 180 W EX4210R 0 to 42V 0 to 10A 420 W Additional differences in specifications beyond the few shown above are not listed here — see each model's full specifications below.Product Core & Specifications Specification Value Main Outputs Voltage Range 0V to 35V minimum (EX355, EX354D, EX354T); 0V to 75V or 0V to 150V minimum (EX752M) Current Range 0A to 2A or 0A to 4A minimum (EX752M); 0A to 4A minimum (EX354D, EX354T); 0A to 5A minimum (EX355) Operating Mode Constant voltage or constant current with automatic crossover and indication. Voltage Setting By coarse and fine controls. Current Setting By single logarithmic control. Load Regulation
