Output Output Voltage1 40 V Output Current2 21 A Output Power3 850 W

Line Regulation Voltage (0.005% of rated output voltage +2 mV)4 4 mV Current (0.01% of rated output current +2 mA)5 4.1 mA

Load Regulation Voltage (0.005% of rated output voltage + 2 mV)6 4 mV Current (0.02% of rated output current +5 mA)7 9.2 mA

Output Noise (rms, 300 kHz) Voltage 8 mV Current8 45 mA

Output Ripple (p-p, 20 MHz) Voltage 50 mV Maximum Recommended Remote Sense Line Drop Compensation per Line9 2 V Up-prog. Response Time, 0~Vmax10 60 ms Down-prog. Response Time: Full Load 50 ms Down-prog. Response Time: No Load 800 ms Over-Voltage Trip Point 2–44 V Efficiency11 83/87% 1. Maximum output voltage is guaranteed to be 0.1% of the rated voltage at zero output setting, using the front panel or digital remote programming modes. 2. Maximum output current is guaranteed to be 0.2% of the rated current at zero output setting, using the front panel or digital remote programming modes, and when measured with rated load resistance. 3. Total output power is also based on AUX1 Output Voltage (5 V) and AUX1 Output Current (0.5 A) and AUX2 Output Voltage (15 V) and AUX2 Output Current (0.5 A). 4. From 85–132 Vac or 170–265 Vac, constant load. 5. From 85–132 Vac or 170–265 Vac, constant load. 6. From no load to full load, constant input voltage. 7. For load voltage change, equal to the unit voltage rating, constant input voltage. 8. For 6 V models the current ripple is measured at 2–6 V output voltage and full output current. For all other models, the current ripple is measured at 10–100% output voltage and full output current. 9. When using remote sense, the total of the load voltage and the load line drops must not exceed the rated output of the power supply. For example, for an XTR 6-110 in an application with 1 V of load line loss (0.5 V/Line), the maximum available load voltage would be 6–1= 5 V. Note: The unit may operate at higher output voltages than this, but there is no guarantee that the power supply will meet performance specifications. Ultimately, the upper limit of the output voltage will be determined by internal circuitry of the power supply (non-adjustable.) 10. With rated, resistive load. 11. At 100/200 Vac input voltage and maximum output power. Applies to all footnotes: Programming and Readback: RS-232, RS-485, USB built in. GPIB, Ethernet optional. Specifications are guaranteed from 1% to 100% of the rated output voltage, current, and power. Environmental Specifications (Indoor use) Operating Temperature Range 32°F to 122°F, 100% load (0°C to 50°C) Storage Temperature Range -4°F to 158°F (–20° C to 70°C) Operating Humidity Range 30–90% RH (no condensation) Storage Humidity Range 10–95% RH (no condensation) Operating Altitude Up to 6,500 feet (2,000 m) Installation Category II (IEC 1010-1) Pollution Degree 2 (IEC 1010-1) Regulatory Approvals Safety CSA 22.2 No. 61010-1 and UL61010-1. Marked with c(UL) us, CE EN61010-1 EMC Complies with EN55022, Class B, FCC Part 15B for conducted emissions, Complies with EN55022, Class A, FCC Part 15A for radiated emissions, Complies with EN61000-4 series of standards for immunity Warranty Five Years Programming Mode APG ISOL Digital Voltage & Current Output Voltage Programming 0-100% Voltage control range is 0.0 to 2.0 - 10.0V in 0.1V increments   Voltage & Current Output Resistive Programming 0-100% Resistive control range is 0.0 to 2.0 - 10.0V in 0.1V increments   Output Voltage and Current Monitor 0-100% Output Voltage Monitor range is 0.0 to 2.0 - 10.0V in 0.1V increments   Voltage Programming Accuracy1 ± 0.5% of rated output voltage, max (0 to 4.0V / 4K Ohm range) ± 0.5% of rated output voltage, typical in other ranges ± 0.1% of rated output voltage Current Programming Accuracy1 ± 0.5% of rated output current, max (0 to 4.0V / 4K Ohm range) ± 0.5% of rated output current, typical in other ranges ± 0.2% of rated output current6 Voltage Feedback Accuracy ± 1% of rated output voltage ± 0.1% of rated output voltage Current Feedback Accuracy ± 1% of rated output current ± 0.2% of rated output current Isolation (Prog and Readback Lines) With respect to chassis potential: 500 V With respect to: chassis potential: 500 V negative or positive main output 1500 V negative or positive auxiliary output 300 V   Parallel Operation Up to 4 units in master slave mode     Series Operation Up to 2 units (with external diodes)     Constant Voltage (CV) Constant Current (CC) Indicator CV: TTL High (4-5 V) CC TTL Low (0-0.6 V)     Shutdown Control2   Logic low 0.0 - 1.4 V Logic high 2.0 - 15 V Dry contact compatible   AUX On/Off Control   TTL level or dry contact compatible   Power Supply Status Signal   TTL high: OK (4-5 V) TTL low: fail (0-0.6 V)   Interlock Enable/Disable   Dry contact. Open/Short: On or Off programmable   1. Typical APG or isolated APG accuracy can be improved to max accuracy by user calibration at the specific range selected 2. The shutdown input has user selectable negative logic operation via front panel or remote digital input/output AC Line Input Specifications Rated AC Input Voltage/Frequency 100–240 Vac, 47–63 Hz Operational AC Input Voltage/Frequency 85–265 Vac continuous, 47–63 Hz, single phase Input Current (at 100/200 Vac) 11.5/6 A (850 W) Inrush Current (100/200 Vac) Less than: 25 A (850 W) Power Factor Correction 0.99@100/200 Vac, rated output power Output Performance Specifications Temperature Coefficient 100 PPM/° C from rated output voltage, after a 30-minute warm-up Drift (8 hours) 0.05% of rated output voltage & current over an 8 hour interval with constant line, load & temperature, after a 30-minute warm-up Hold-up Time Typical 20 ms at any rated input line. Transient Response Time2 Less than 1 ms for 6 V to 60 V models. Less than 2 ms for 80 V to 600 V models Meter Accuracy 0.5% of actual output voltage or current ± 1 count Aux output1 +5 V: +0.4 V, – 0.5 V at 0.4 A +15 V: +1.2 V, – 1.4 V at 0.4 A Isolation AC Input to Output AC Input to Chassis Output to Chassis3 1350 Vac 1350 Vac 500 Vac 1. Current: 0.51 A minimum guaranteed, 0.72 A typically available. Overcurrent protection (each output) is automatic, non-latching. When OCP is tripped the aux voltage folds back and will recover to nominal condition when the over current condition is removed (typ. <0.2A). To protect external circuits attached to the aux outputs it is recommended that customers use an appropriately rated fuse in series with the aux outputs set point 10-100% 2. Time for the output voltage to recover within 0.5% at its rated output for a load change 10-90% of rated output current. Output set point 10-100% 3. For floating chassis ground applications, please contact application engineering for system design assistance. Mechanical Specifications XG 850 Watt (W×H×D) 8.4 × 1.7 × 19.0 inch (214 × 43.6 × 483 mm) Weight 11 lb (5kg) Cooling Forced air cooling by internal fans

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