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Power Supplies
CPX400D is available to buy in increments of 1

CPX400D - TTI - CPX400 Series
Powerflex DC Power Supply

Delivery time: approx. 3 weeks


The CPX400 series is a different type of laboratory power supply designed to meet the need for flexibility in the choice of voltage and current. A conventional PSU has a fixed current limit giving a power capability that reduces directly with the output voltage. The TTi PowerFlex design of the CPX series enables higher currents to be generated at lower voltages within an overall power limit envelope. Each output can provide considerably higher current than a conventional PSU of the same maximum voltage and power (see power curve). Example voltage & current combinations include 60V/7A, 42V/10A, 28V/15A, and 20V/20A.


• PowerFlex design gives variable voltage and current combinations within a maximum power range
• Up to 60 volts and up to 20 amps
• 180 watts or 420 watts maximum per output
• Isolated outputs can be wired in series or parallel
• Constant voltage or constant current operation
• Settings Locking (S-Lock)
• PowerFlex or fixed-range operation
• Variable OVP trips
• Selectable remote sense terminals
• Compact quarter or half rack 3U case size
• Isolated analogue remote control (CPX400SA only)
• RS232, USB, GPIB & LXI compliant LAN (P models only)

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Additional Information
CategoryPower Supplies
Output TypeDC
Brandaim TTi
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