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Model

Phases

Firing Mode

Output

Current Low

Current High

Highlights

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.

3021A Three Phase Power Controller

Three phase

Zero cross

AC

10

70

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

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.

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.

1825 DC Power Controller

Single phase

Phase angle

DC

10

30

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

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.

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.

1032A

Single phase

Phase angle

AC

10

70

120 - 575 Vac. SCR controller that accepts most commands. Field adjustable current limiting.

1025

Single phase

Phase angle

AC

10

70

120 - 480 Vac. Analog SCR Controllers. Accepts mA commands.

1022

Single phase

Phase angle

AC

10

70

120 - 480 Vac. Analog SCR Controllers. Accepts Vdc and potentiometer commands.

1021B

Single phase

Zero cross

AC

10

70

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

1021A

Single phase

Zero cross

AC

10

70

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

1020

Single 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.