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SL Series Specifications
Input Specifications
Nominal Voltage
1 phase, 2 wire + ground
85 - 265 Vac, 1Φ (UI—Universal input)
(Available on 1.5 kW Models Only)
Nominal Voltage
3 phase, 3 wire + ground
208 Vac, 3Φ (operating range 187 - 229 Vac)
240 Vac, 3Φ (operating range 216 - 264 Vac)
380 Vac, 3Φ (operating range 342 - 418 Vac)
415 Vac, 3Φ (operating range 373 - 456 Vac)
440 Vac, 3Φ (operating range 396 - 484 Vac)
480 Vac, 3Φ (operating range 432 - 528 Vac)
Frequency 50 Hz - 400 Hz (operating range 45 - 440 Hz)
Power Factor 0.99 at maximum power for 1Φ units
> 0.82 at maximum power for 3Φ units
Output Specifications
Ripple (See Model Charts)
Line Regulation Voltage Mode: ± 0.004% of full scale
Current Mode: ± 0.02% of full scale
Load Regulation Voltage Mode: ± 0.01% of full scale
Current Mode: ± 0.04% of full scale
Load Transient Response 2 ms to recover within ±1% of full scale output, with a 50%
to 100% or 100% to 50% step load change
Efficiency ≥ 86% at full load (See Models Chart)
Stability ± 0.10% for 8 hrs. after 30 min. warmup
Isolation User inputs and outputs: referenced to earth ground
Maximum input voltage to ground: ±2500 Vac
Maximum output voltage to ground: ±1000 Vdc
Maximum Slew Rate Standard Models:
100 ms for output voltage change from 0 to 63%
100 ms for output current change from 0 to 63%
With High Slew Rate Option (+HS):
4 ms for output voltage change from 0 to 63%
8 ms for output current change from 0 to 63%
Control Specifications
Voltage Programming Accuracy ± 0.075% of full scale voltage
OVT Programming Accuracy ± 0.075% of full scale voltage
Current Programming Accuracy ± 0.075% of full scale current
OCT Programming Accuracy ± 0.075% of full scale current
Voltage Readback Accuracy ± 0.2% of full scale voltage
Current Readback Accuracy ± 0.2% of full scale current
External Analog Programming and
Monitoring Levels
0 - 10 Vdc
External Analog Output Impedances Voltage output monitoring: 100 Ω
Current output monitoring: 100 Ω
+10 Vdc reference: 1 Ω
External Digital Programming and
Monitoring Limits
Input: 0 to 5 Vdc, 10k input inpedance
Output: 0 to 5 Vdc, 5 mA drive capacity
Remote Sense Limits 3% maximum voltage drop from output to load
Environmental Specifications
Ambient Operating Temperature 0 °C to 50 °C
Storage Temperature -25 °C to 85 °C
Humidity Relative humidity up to 95% non-condensing
Temperature Coefficient 0.04 % / °C of maximum output voltage
0.06 % / °C of maximum output curent
Air Flow Side air inlet, rear exhaust
Physical Specifications
Power Size (H” x W” x D”) Weight
1.5 kW 1.75 x 19 x 24 in (4.44 x 48.3 x 61.0 cm) 32 lbs (14.52 kg)
2.6 kW 1.75 x 19 x 24 in (4.44 x 48.3 x 61.0 cm) 34 lbs (15.42 kg)
4.0 kW 1.75 x 19 x 24 in (4.44 x 48.3 x 61.0 cm) 35 lbs (15.88 kg)
SL Series Specifications
Note: Specifications are subject to change without notice. For three-phase configurations,
input specifications are line-to-line. Unless otherwise noted, input voltages and currents
are specified for three-phase configurations.
