Intermatic sg240 modular 用户手册

Page: 6

The

SG Modular

Series utilize Replaceable Protection Modules.

SENSOR CABLE INTERFACE

TO FRONT PANEL DISPLAY

PHASE BUS

KEYED (GROUNDED)

MOUNTING BRACKET

YELLOW LED

NEUTRAL TO GROUND WARNING INDICATOR

NORMAL OPERATION = OFF

(NOT PRESENT ON DELTA CONFIGURATIONS)

[Figure #12: Module Ø Side End Cap]

THERE ARE NO USER SERVICEABLE PARTS INSIDE MAIN HOUSING

SG160K, SG240K and SG320K Models:

The specific product you have in service may be configured for any one of the following voltages:

AC Service(s)

120 or 240Vac, Single Phase
120/240Vac, Split Phase
240 or 480Vac, Three Phase Delta
120/240Vac, Three Phase Delta (High Leg)
120/208Vac, 3 Phase Wye

NEUTRAL

BUS

Phase

"A"

RPM

GROUND

BUS

DRY CONTACT INTERFACE

277/480Vac, Three Phase,

4 Wire + Ground

AC Service:

LOCATION OF

OPTIONAL

SURGE COUNTER

SURGE

RATING

160kA ( )
240kA ( )
320kA ( )

Phase

"C"

RPM

SURGE

RATING

160kA ( )
240kA ( )
320kA ( )

Phase

"B"

RPM

SURGE

RATING

160kA ( )
240kA ( )
320kA ( )

SENSOR

CABLE

[Figure #11: Internal Layout]

INTERNAL LAYOUT

1. Make Sure the power has been turned off to the SG unit.

Never work on the SPD unit while energized.

2. Disconnect the Sensor Cable from the module.

(Ø Side End Cap)

3. Remove the 1/4 20 bolts securing the module to the

phase and neutral tabs. One bolt at each end of the
module. The compression lug comes off also.

4. Remove the 2 #6 Screws (1 at each end of the unit)

securing the module to the Back Plane PC Board.

5. Remove the module from the SG unit.

6. To mount the replacement module reverse steps 4, 3

and 2. Do not forget to reinstall the compression lug.

7. Close the SG cabinet door and reconnect power.

MMOODDUULLEE RREEMMOOVVAALL && RREEPPLLAACCEEMMEENNTT

GREEN LED’s

PROTECTION MODE STATUS
(NORMAL OPERATION = ON)

277/480Vac, 3 Phase Wye
220/380Vac, 3 Phase Wye
230/400Vac, 3 Phase Wye
240/415Vac, 3 Phase Wye

MODULE