3 Phase, 208 VAC Power Entry Panel with Circuit Protection

3 Phase, 208 VAC Power Entry Panel with Circuit Protection

The AC Power Master is a 19 inch rack mountable Power Distribution Unit (PDU) that distributes 3-phase and single-phase AC Voltage to several output circuits. The PDU provides overload current protection via a primary circuit breaker and seven branch circuit breakers. The AC Power Master also provides Emergency Power Off (EPO) capability locally by means of an EPO switch and remotely through an external interface. The inherent benefit of this product is that is minimizes inrush current by sequencing the individual outlets a predefined delay.

The front panel of the PDU contains the mode and function switches. The mode switch is used to set the PDU into remote or local operation. Once implemented, the "REMOTE" position can be used with the RS-422/485 communication port to control output as well as provide status feedback. The "LOCAL" position is used to operate the PDU in conjunction with the mode switch as follows. The "OFF" position of the function switch is used for local or remote operation and disables output relays, not allowing power to the rear panel under any circumstances. The "ON" position of the function switch is used for local or remote operation to enable output relays to be energized. The "START" position of the function switch is used for local operation only and will initiate the default output start sequence for the PDU.

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Electrical & Mechanical Specifications

Input/Output
Input Configuration AC 3 Phase, Y
Voltage Input 208 VAC
Voltage Output 208 VAC (3-Phase NEMA L21-30R),
120 VAC (NEMA L5-20R & NEMA 5-15R)
Current 70 Amps/Phase
Frequency 60 Hz.
Output Power 30A (3-Phase NEMA L21-30R), 20A (NEMA L5-20R),
15A (NEMA 5-20R)
PE Ground Stud 1/4" - 20 Threaded Stud
Output Connector 3-Phase NEMA L21-30R, (3) NEMA L5-20R,
(8) NEMA 5-20R
Input Connector IEC 4 Pole/5 Wire
Input Protection 3-Pole, 250 VAC, 30A Breaker
Output Protection 3-Pole, 250 VAC, 30A Breaker, (3) 1-Pole, 250 VAC,
30A Breaker, (3) 1-Pole, 250 VAC, 20A Breaker
Panel Indicators Multiple LEDs

Physical & Environmental
Size (Overall) 19" W x 7" H x 28.75" D
Temp. Range 0º to 45º (A wider temperature range is possible.)
Weight 41 lbs.