Powerohm Products

240, 480 and 600 Volt Wye or Delta Systems

FLOOR-MOUNTED DIMENSIONS

OPERATION DESCRIPTION

Powerohm's low and medium voltage units both have the same operating instructions. The overall size and layout is different, but the indicating lights and controls on the front door remain the same. Refer to the previous section for details.

WALL-MOUNTED DIMENSIONS

90"

7/16" DIA.

10"

37-1/4"

38-1/2"

36"

20"

20"

24" 30"

12"

STANDARDNEMA1FLOOR-MOUNTEDENCLOSURE (NEMA 12 AND 3RHEIGHTS INCREASEBY 6 INCHES)

LOW VOLTAGE WYE SYSTEMS

LOW VOLTAGE DELTA SYSTEMS

NEUTRAL TO TRANSFORMER 1 0

2 0

1 0

2 0

3 0

DISCONNECT SWITCH (DOOR INTERLOCKED)

DISCONNECT SWITCH (DOOR INTERLOCKED)

LINE FUSES

LINE FUSES

CONTROL POWER TRANSFORMER

CONTROL POWER TRANSFORMER

TEST

TEST

FUSES

FUSES

TEST RESISTOR

TEST RESISTOR

NORMAL

CONTROL CIRCUIT

CONTROL CIRCUIT

G

NORMAL

G

LIGHTS

VOLT METER RELAY

VOLT METER RELAY

LIGHTS

R

R

FAULT

PULSING CONTACTOR

FAULT

PULSING CONTACTOR

ALARM CONTACTS

ALARM CONTACTS

PULSE SELECTOR

PULSE SELECTOR

RESISTOR

RESISTOR