Analog - SCR Controllers

Model Phases Firing Mode Output Current Low Current High Highlights
1027A Single Phase Zero Cross AC 50 160

Accepts most commands. Features include: Sync-guard and Trans-guard.

1029D Single Phase Phase Angle AC 50 2000

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.

3027 Three Phase Zero Cross AC 85 750

Accepts most commands. Features include: Sync-guard, Trans-guard and on-board line fusing for most frame sizes.

3037 Three Phase Zero Cross AC 85 750

Accepts most commands. Features include: Sync-guard, Trans-guard, shorted SCR detection and on-board line fusing for most frame sizes.

3337 Three Phase Zero Cross AC 200 750

Accepts most commands. Features include: Sync-guardTrans-guardshorted SCR detection and on-board line fusing for most frame sizes.

3629C Three Phase Phase Angle AC 50 1000

Higher current ratings than our solid state relay models. Features include: current limiting, over-current trip, shorted SCR detection.

3869 Three Phase Phase Angle DC 300 400

Accepts most commands. High current, three phase DC output.

Learn more about firing modes here.

Learn more about load connections here.