Product Selector: Controllers

Model	Phases	Firing mode	Output	Current	Highlights
FUSION Three Phase (DC)	Three phase	Phase angle	DC	60 - 1400 Amps	24 - 600 Vac. The FUSION three phase DC power controller is a phase angle fired controller which linearly controls, with respect to the setpoint, the DC voltage, current, or true power applied to an electrical load. Control is achieved by means of a six SCR bridge with freewheeling diode.
FUSION Three Phase (AC)	Three phase	Phase angle, Zero cross, Burst	AC	50 - 1200 Amps	24 - 600 Vac. The FUSION three phase AC power controller is a phase angle or zero cross fired controller which linearly controls, with respect to the setpoint, the AC voltage, current, or true power applied to a three phase electrical load. The 3 phase controller can be ordered in either 2 or 3 leg control with 2 leg being limited to zero cross firing. Control is achieved for 3 leg by three pairs of inverse parallel SCRs or in 2 leg by 2 pairs of inverse parallel SCRs.
FUSION Single Phase (DC)	Single phase	Phase angle	DC	45 - 1080 Amps	24 - 600 Vac. The FUSION single phase DC power controller is a phase angle fired controller which linearly controls, with respect to the setpoint, the DC voltage, current, or true power applied to an electrical load. Control is achieved by means of a half controlled SCR bridge
FUSION Single Phase (AC)	Single phase	Phase angle, Zero cross, Burst	AC	50 - 1200 Amps	24 - 600 Vac. The FUSION single phase AC power controller is a phase angle or zero cross fired controller which linearly controls, with respect to the setpoint, the AC voltage, current, or true power applied to an electrical load. Control is achieved by means of a pair of inverse parallel SCRs.
Compact FUSION Three Phase	Three phase	Phase angle, Zero cross, Burst	AC	10 - 160 Amps	24 - 600 Vac. Can be ordered in either 2 or 3 leg control with 2 leg being limited to zero cross firing. Output is controlled linearly with respect to command signal and can be set to the average or RMS value of the voltage or current, as well as true instantaneous power or external feedback.
Compact FUSION Single Phase	Single phase	Phase angle, Zero cross, Burst	AC	10 - 160 Amps	24 - 600 Vac. Output is controlled linearly with respect to command signal and can be set to the average or RMS value of the voltage or current, as well as true instantaneous power or external feedback.
3869	Three phase	Phase angle	DC	300 - 400 Amps	120 - 480 Vac. Accepts most commands. High current, three phase DC output.
3629C	Three phase	Phase angle	AC	50 - 1000 Amps	208 - 575 Vac. Higher current ratings than our solid state relay models. Features include: current limiting, over-current trip, shorted SCR detection.
3337	Three phase	Zero cross	AC	200 - 750 Amps	208 - 575 Vac. Accepts most commands. Features include: Sync-guard, Trans-guard, shorted SCR detection and on-board line fusing for most frame sizes.
3037	Three phase	Zero cross	AC	85 - 750 Amps	208 - 575 Vac. Accepts most commands. Features include: Sync-guard, Trans-guard, Shorted SCR detection and on-board line fusing for most frame sizes.
3027	Three phase	Zero cross	AC	85 - 750 Amps	208 - 575 Vac. Accepts most commands. Features include: Sync-guard, Trans-guard and on-board line fusing for most frame sizes.
3021B	Three phase	Zero cross	AC	10 - 70 Amps	120 - 575 Vac. Accepts most commands. Sync-guard smoothes out line current draw when multiple controllers are in use.
3021A	Three phase	Zero cross	AC	10 - 70 Amps	120 - 575 Vac. Accepts most commands.
3020	Three phase	Zero cross	AC	10 - 70 Amps	120 - 575 Vac. Powered off of the 4/20mA loop, so no control transformer is required.
2022	Single phase	Phase angle	AC	10 - 70 Amps	120 - 575 Vac. Accepts most commands. Dual setpoints for fast transitions.
1825	Single phase	Phase angle	DC	10 - 30 Amps	120 - 240 Vac. Accepts mA commands. 120Hz fullwave DC output.
1822	Single phase	Phase angle	DC	10 - 30 Amps	120 - 240 Vac. Accepts Vdc or potentiometer commands. 120Hz fullwave DC output.
1802 / 1805	Single phase	Phase angle	DC	10 - 40 Amps	120 - 570 Vac. Accepts Vdc or potentiometer commands. 60Hz halfwave DC output.
1600 (Multi-zone)	Single phase	Phase angle, Zero cross	AC	10 - 70 Amps	120 to 575 Vac. Multi-zone. Accepts most commands. Allows mixing of line voltages and load currents for multiple zones in a small footprint.
1037A	Single phase	Zero cross	AC	50 - 750 Amps	120 to 575 Vac. Accepts most commands. Features include: Sync-guard, Trans-guard, shorted SCR detection, command limit and metering outputs.