Sorensen - XFR Series 2.8 kW Programmable Analog DC Power Supply

  • Analog Programming 
  • Constant Voltage or Constant Current Operation 
  • LabView® and LabWindows® Drivers 
  • Standby Mode 
  • Front Panel Button Preview of Voltage, Current, OVP 
  • CSA, UL Approvals

Common

Switching Frequency

XFR 2.8 kW: Nominal 31 kHz (62 kHz output ripple); 60 V to 600 V models: nominal 62.5 kHz (125 kHz output ripple).

Time Delay

7 sec maximum from power on until output stable

Voltage Mode Transient Response Time

< 3 ms for output voltage to recover within 0.5% of its rated voltage after a step change in load current of up to 10% to 90% of rated output

Maximum Voltage Differential

±600 Vdc from output to safety ground

Remote Start/Stop and Interlock

2.5-15 V signal or TTL-compatible input, selectable logic

Remote Analog Programming

Voltage and current programming inputs (source must be isolated): 0-5 k, 0-10 k resistances; 0-5 V, 0-10 V (default) voltage sources

Remote Analog Monitoring

Voltage and current monitor outputs 0-5 V, 0-10 V (default) ranges for 0-100% of output

Remote Programming & Monitoring Accuracy

1% zero to full scale output for the default range

Maximum Remote Sense Line Drop Compensation

5 V / line (Line drop is subtracted from total voltage available at supply output.)

Front Panel Voltage and Current Control

10-turn voltage and current potentiometers

Front Panel Voltage Control Resolution

0.02% of maximum voltage

Main Output Connector

XFR 2.8 kW: 7.5 - 100 V models: nickel-plated copper bus bars with bus bar cover and strain relief; 150V to 600 V models: 4-terminal, wire clamp connector with cover and strain relief

Approvals

NRTL approved and CE-marked to UL Std. No. 61010-1, CAN/CSA-C22.2 No. 61010-1-04, EN 610101-1 (Equipment Class I, Pollution Degree 2, Installation Category II) Meets USA EMC standard: FCC, part 15B, Class A; Meets Canadian EMC standard: ICES-001, Class A.


Input

Input Voltage Ranges

XFR 2.8 kW: 190-264 Vac, 1φ (24.3 A @ 208 Vac; 20.5 A @ 230 Vac typical), 47-63 Hz; Option: M2 3φ 208 Vac input

AC Input Connector

Type 3-terminal, 34 A, 250 V, wire clamp connector with strain relief cover


Protection Features

Over-voltage Protection

Over-temperature Protection


Environmental

Operating Temperature

XFR 2.8 kW: 0 to 50°C,

Storage Temperature

-20°C to 70°C

Humidity (Non-condensing)

Up to 90% RH, non-condensing


Physical

Model

XFR 2.8 kW

Dimensions

Width: 19” (429.4 mm) 

Height: 3.5” (88.9 mm) 

Depth: 21” (533.5 mm

Weight

33 lb (15 kg)

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Sorensen - XFR Series 2.8 kW Programmable Analog DC Power Supply
Sorensen - XFR Series 2.8 kW Programmable Analog DC Power Supply
Sorensen - XFR Series 2.8 kW Programmable Analog DC Power Supply
Sorensen - XFR Series 2.8 kW Programmable Analog DC Power Supply