Legacy Products

Title	Phases	Firing mode	Output	Current low	Current high	Highlights
3321A	Three phase	Zero cross	AC	10	70	120 480 Vac. Accepts most commands.
3337 Three Phase Zero Cross Power Controller	Three phase	Zero cross	AC	200	750	208 - 575 Vac. Three Phase, Zero Cross SCR Controller. Accepts most commands. Features include: Sync-guard, Trans-guard, shorted SCR detection and on-board line fusing for most frame sizes.
3629C Three Phase Power Controller	Three phase	Phase angle	AC	50	1 000	208 - 575 Vac. Three Phase SCR Controller. Higher current ratings than our solid state relay models. Features include: current limiting, over-current trip, shorted SCR detection.
3869 Three Phase DC Power Controller	Three phase	Phase angle	DC	300	400	120 - 480 Vac. DC SCR Controller. Accepts most commands. High current, three phase DC output.
1010 Single Phase AC Power Controller	Single phase		AC
1023 Single Phase Zero-Cross Power Controller	Single phase	Zero cross	AC	10	70
1024 Single Phase SCR Analog Power Controller	Single phase	Zero cross	DC	10	70
1024A AC, Phase Angle, Single Phase Power Controller	Single phase	Zero cross	AC	10	70
1026 Single Phase Zero-Cross SCR Analog Controller	Single phase	Zero cross	AC	120	240
1027 Single Phase AC SCR Analog Controller	Single phase	Zero cross	AC

Control Concepts, Inc.