Legacy Products

Legacy Products

Title Phases Firing mode Output Current low Current high Highlights
1600 (Multi-zone) Power Controller Single phase Phase angle, Zero cross AC 10 70

120 to 575 Vac. Multi-zone SCR Controller. Accepts most commands. Allows mixing of line voltages and load currents for multiple zones in a small footprint.

1802 / 1805 DC Power Controller Single phase Phase angle DC 10 40

120 - 570 Vac. Analog SCR Controller. Accepts Vdc or potentiometer commands. 60Hz halfwave DC output.

1822 DC Power Controller Single phase Phase angle DC 10 30

120 - 240 Vac. Analog SCR Controller. Accepts Vdc or potentiometer commands. 120Hz fullwave DC output.

1825 DC Power Controller Single phase Phase angle DC 10 30

120 - 240 Vac. Analog SCR Controller. Accepts mA commands. 120Hz fullwave DC output.

2022 AC Single Phase Power Controller Single phase Phase angle AC 10 70

120 - 575 Vac. Analog SCR Controller. Accepts most commands. Dual setpoints for fast transitions.

3020 Three Phase Power Controller Three phase Zero cross AC 10 70

120 - 575 Vac. Analog SCR Controller. Powered off of the 4/20mA loop, so no control transformer is required.

3021A Three Phase Power Controller Three phase Zero cross AC 10 70

120 - 575 Vac. Analog SCR Controllers. Accepts most commands.

3021B Three Phase Power Controller Three phase Zero cross AC 10 70

120 - 575 Vac. Analog SCR Controller. Accepts most commands. Sync-guard smoothes out line current draw when multiple controllers are in use.

3027 Three Phase Power Controller Three phase Zero cross AC 85 750

208 - 575 Vac. Analog SCR Controller. Accepts most commands. Features include: Sync-guard, Trans-guard and on-board line fusing for most frame sizes.

3037 Three Phase Zero Cross Power Controller Three phase Zero cross AC 85 750

208 - 575 Vac. Analog SCR Controller. Accepts most commands. Features include: Sync-guard, Trans-guard, Shorted SCR detection and on-board line fusing for most frame sizes.

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