EP1

Phasetronics EP1 series of single-phase SCR power control features phase angle control to provide smooth proportional output power from 0-100%. The model EP1 was designed to make available low cost high quality SCR phase control. The EP1 series is available in load currents from 10 to 1000 amperes and at line voltages from 120 through 575 volts AC. These units are ideally suited for all resistive and inductive loads. A soft start feature assures a slow rising output voltage to prevent inrush currents on inductive loads. The standard soft start is active on power up and is reset after a power loss. Option S is available to provide soft start on input control signal change or lockout release. Lockout (external shutdown) can be activated by an external dry contact closure. The control input is con??gurable to match all standard temperature and process controllers. The control signal sensitivity is adjustable by gain and offset potentiometers. The unit can also be controlled manually from an external potentiometer. MOVs protect the SCRs from voltage surges or transient voltages. False firing (dv/dt) protection is also included. I²T fuses are available as an option. Nema enclosures, circuit breakers, contactors and disconnect switches are available.

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