Athena Controls offers two types of power controllers, namely Zero Voltage Switched Controllers and Phase Angle Fired Controllers. The 19Z and 39Z SCR Power Controllers are zero crossover fired, high-power solid state switched devices. Zero crossover firing eliminates the RFI (radio frequency interference) generation associated with mechanical relays. With zero crossover firing, the output appears as bursts of full sine waves of line voltage which provides excellent regulation to the load. The 19P and 39P SCR Phase-Angle Fired Power Controllers turn on each SCR for a controlled portion of a half-cycle of the line voltage. The effective line voltage is determined by the portion of the line voltage delivered, which is proportional to the input control signal. Additionally, the voltage is regulated as the line voltage changes.
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Athena PC Series Power Controls
The Athena PC contactors are available as phase angle-fired (PC) contactors that can be used for control of resistive heater loads. The controller provides full power rating at 102°F (49°C) ambient temperature, and extends heater life while eliminating thermal shock. These controllers provide capacity up to 35 Amps. All Solid-State Design |
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Athena Series 19 & 39 SCR Power Controls to 80 Amps
The Athena 19 and 39 controllers are available as zero voltage switched controllers (19Z and 39Z) and phase-angle fired controllers (19P and 39P) that can be used for control of resistive heater loads. The controller provides capacity up to 80 Amps, and extends heater life while eliminating thermal shock. |
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Athena Series 19P & 39P Power Controls to 250 Amps
The Athena 19P (single phase) and 39P (three phase) are phase-angle fired power controllers that can be used for control of resistive heater loads. The high amperage series provides capacity from 125 amps up to 250 amps and the controllers are designed to extend heater life while eliminating thermal shock. |
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Athena Series 19Z & 39Z Power Controls to 250 Amps
The Athena 19Z (single phase) and 39Z (three phase) are zero switched power controllers that can be used for control of resistive heater loads. The high amperage series provides capacity from 125 amps up to 250 amps. The controllers are designed to extend heater life while eliminating thermal shock. |
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