SD291
Staco Energy Transformers, SD Series

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SD291

Staco Energy Transformers, SD Series

SD291

Staco Energy Transformers, SD Series
TRANSFORMER
MFG Item Number
SD291
Series
More specs
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Description

Transformers, SD Series
Item #
SD291
TRANSFORMER

SD Series Information

  • 400 to 3500 VA
  • 3 to 25 Output Amps
  • 0‑120 or 0‑140 Output Voltage Range
  • Local or Remote Adjustable Output Voltage
  • Self‑Contained, Factory Wired and Assembled
  • Regulated Output Voltage at ±0.50 Percent of Full Voltage Range
The SD "Quick‑Step" series unit is a positioner and regulator. It is self‑contained and consists of a stepper motor driven, microprocessor controlled, full‑range variable transformer with a 0 to 100% adjustable output voltage range. The "Quick‑Step" is shipped fully assembled, factory wired and tested, ready to be installed. The full‑range correction rate is less than one second.

The output voltage can be controlled remotely with a 1K potentiometer or a 0 to 5 volt DC process control set point signal. A single output voltage can be maintained and controlled locally with a fixed resistor network wired across the controller set point terminals. The "Quick‑Step" Variable Transformer is available in ratings of 3 to 25 amperes with output voltage ranges of either 0 to 120 volts or 0 to 140 volts. Full range output regulation is better than ± 0.50 percent. Limited output voltage range "Quick‑Step" units are available with an output regulation of better than ± 0.25 percent.

Specifications

Specifications
Manufacturer Part Number SD291
Manufacturer Staco Energy
Product Series SD
Family Series Staco Energy Transformers, SD Series
Description TRANSFORMER
Wiring Sorted Single Phase
Output 0.4 kVA
Primary Voltage 120 VAC
Secondary Voltage 0-120 VAC, 0-132 VAC
Enclosed No
Motorized Yes
Number of Gangs 1
Net Weight 0.5625 lbs
Gross Weight 9 lbs