SCR Power Controller Products
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Nickel Chromium, Iron Chromium
| Model | Phase | Mode | Voltage | Current | Highlights |
|---|---|---|---|---|---|
| 1020 | One | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Powered off of the 4/20mA loop, so no control transformer is required. |
| 1021A | One | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. |
| 1021B | One | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. Sync-guard smoothes out line current draw when multiple controllers are in use. |
| 1022 | One | Phase Angle | 120-575 Vac | 10-70 Amps @ 55°C | Accepts Vdc and potentiometer commands. |
| 1025 | One | Phase Angle | 120-575 Vac | 10-70 Amps @ 55°C | Accepts mA commands. |
| 1027A | One | Zero Cross | 120-575 Vac | 50-160 Amps @ 55°C | Accepts most commands. Features include: Sync-guard and Trans-guard. |
| 1029C | One | Phase Angle | 120-575 Vac | 50-2000 Amps @ 55°C | Higher current ratings than our solid state relay models. Features include: current limiting, shorted SCR detection, over-current trip, metering outputs, user selectable feedback modes. |
| 1032A | One | Phase Angle | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. Field adjustable current limiting. |
| 1037A | One | Zero Cross | 120-575 Vac | 50-750 Amps @ 55°C | Accepts most commands. Features include: Sync-guard, Trans-guard, shorted SCR detection, command limit and metering outputs. |
| 1039 | One | Phase Angle | 120-575 Vac | 10-180 Amps @ 55°C | Accepts most commands. Features include: on-board line fusing and metering outputs. Optional card adds: current limiting, shorted SCR detection, over-current trip and a second command setpoint. |
| 1600 | One/Three | Phase Angle or Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. Allows mixing of line voltages and load currents for multiple zones in a small footprint. |
| 2022 | One | Phase Angle | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. Dual setpoints for fast transistions. |
| 3020 | Three | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Powered off of the 4/20mA loop, so no control transformer is required. |
| 3021A | Three | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. |
| 3021B | Three | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. Sync-guard smoothes out line current draw when multiple controllers are in use. |
| 3027 | Three | Zero Cross | 120-575 Vac | 85-750 Amps @ 55°C | Accepts most commands. Features include: Sync-guard, Trans-guard and on-board line fusing for most frame sizes. |
| 3037 | Three | Zero Cross | 120-575 Vac | 85-750 Amps @ 55°C | Accepts most commands. Features include: Sync-guard, Trans-guard, Shorted SCR detection and on-board line fusing for most frame sizes. |
| 3321A | Three | Zero Cross | 120-575 Vac | 10-70 Amps @ 55°C | Accepts most commands. |
| 3337 | Three | Zero Cross | 208-575 Vac | 200-750 Amps @ 55°C | Accepts most commands. Features include: Sync-guard, Trans-guard, shorted SCR detection and on-board line fusing for most frame sizes. |
| 3629C | Three | Phase Angle | 208-575 Vac | 50-1000 Amps @ 55°C | Higher current ratings than our solid state relay models. Features include: current limiting, over-current trip, shorted SCR detection. |
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