Convenient, from selection to maintenance.

Three different configurations allow the unit to be placed under a raised floor, mounted on a wall or used in a rack, based on your site needs.

Choice of output receptacles and connector is available to match your load specifications, simplifying system installation and setup.

Selectable preferred input feature allows you to determine the normal and alternate power source of your choice without rewiring or load shutdown.

Integral maintenance bypass to both input sources provides a safe and fast solution to servicing the Liebert SmartSwitch without disturbing your protected equipment.

Hot swappable electronics module and bypass feature allow your protected equipment to remain up and running, even when the Liebert SmartSwitch module is being replaced or serviced.

LED indicators provide at-a-glance operating status. Eight output contacts are available for remote status indication. RS232 ASCII communications port allows setpoint control and remote monitoring.

ETL Listed to UL Standard 1008 for safety.

CE Mark (50 Hz) — complies with EMC and low voltage directives.

Liebert SmartSwitch includes

The unit is available

manual transfer test capability

with your choice

to assure continued proper

of receptacles and

operation.

connector,simplifying

 

installation and setup.

 

 

 

1/2" KNOCKOUT

 

 

17.25"

0.88" (22mm)

 

 

(438mm)

(TYP. 8 PLACES)

RACK MOUNT

 

 

 

STATUS CONTACTS

REMOVABLE

 

CONNECTOR

"HOT-SWAPPABLE"

20.4"

 

18.5"

ELECTRONICS

 

(518mm)

OUTPUT

(469mm)

MODULE

 

INPUT & OUTPUT

 

 

RECEPTACLE

CONNECTIONS

 

 

RS-232 CONNECTOR

 

 

 

 

19" (483mm)

 

 

NORMAL

 

 

18.3" (465mm)

 

 

 

0.85"

0.279" (7mm) x

 

MAN.

MAN.

 

 

 

 

 

0.406" (10mm) SLOT

XFER

XFER

 

(21.5mm)

 

51

52

 

 

(4 SLOTS)

 

 

 

 

 

BYPASS

BYPASS

 

 

 

 

 

 

 

 

 

 

TO 51

TO 52

5.20"

3.5" (88.9mm)

 

 

BYPASS / TRANSFER SWITCH

(132mm)

 

 

 

 

 

 

(LOCATED BEHIND KEYLOCK COVER)

 

 

 

 

 

LED SWITCH STATUS

 

KEYLOCK LATCH

 

 

 

 

INDICATORS

 

 

 

 

 

AIR EXHAUST AREA

RS-232 CONNECTOR

DO NOT BLOCK

STATUS CONTACTS CONNECTOR

COVER

PLATE

 

3.15"

 

 

TOP VIEW

3.76"

2.25"

1/2" KNOCKOUT

 

2.25"

 

0.88" (22mm)

WALL MOUNT

 

 

(3 PLACES)

0.28" (7MM)

 

BOTTOM VIEW

 

 

 

(6 MTG. HOLES)

 

 

 

20.0"

 

 

 

 

 

 

11.1"

 

 

 

 

 

LED SWITCH STATUS

 

 

 

 

 

PREFERRED SOURCE

 

ALTERNATE SOURCE

INDICATORS AND LABELS

 

 

 

 

 

 

52

 

51

 

 

 

 

 

 

 

 

 

 

KEYLOCK LATCH

 

 

 

 

25.4"

 

 

 

 

REMOVABLE "HOT-SWAPPABLE"

 

 

 

 

 

 

 

ELECTRONICS MODULE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NORMAL

25.4"

 

26.9"

INPUT, OUTPUT

 

52

 

51

 

 

 

 

 

 

 

MAN.

MAN.

 

 

 

AND CONTROL

 

 

 

 

XFER

XFER

 

 

 

 

 

 

Bypass Switch

51

52

 

 

 

CONNECTIONS

 

 

 

Transfer Control

 

 

 

 

 

 

 

BYPASS

BYPASS

 

 

 

LOCATED BEHIND

INPUT

SOURCE 52

SOURCE 51

 

 

 

 

DO M C

B A DO M C B A

DO M C B A

 

TO 51

TO 52

 

 

 

REMOVABLE

 

 

 

 

BYPASS / TRANSFER SWITCH

 

 

 

ACCESS DOORS

 

 

 

 

 

 

 

 

 

 

 

(LOCATED BEHIND KEYLOCK COVER)

 

 

 

 

2.0"

8.0"

 

8.0"

.75"

 

 

 

 

 

 

 

 

 

 

2.5"

 

 

 

 

 

 

 

 

10.7"

 

 

FRONT VIEW

 

 

AIR INTAKE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 SIDES

 

 

RIGHT SIDE VIEW

11" (279mm)

UNDER FLOOR

INPUT CONNECTIONS

RELAY CONTACTS & RS-232

PORT

OUTPUT RECEPTACLE

"HOT-SWAPPABLE" ELECTRONICS

51

52

 

20"

 

(508mm)

51

52

PERFERRED SOURCE

ALTERNATE SOURCE

 

20"

(508mm)

Hot swappable electronics module and bypass feature allow your protected equipment to remain up and running, even when the SmartSwitch is being serviced.

LED indicators provide at-a-glance operating status. Eight output contacts are available for remote status indication. RS232 ASCII communications port allows setpoint control and remote monitoring.

With separate sections for power connections and electronics, Liebert SmartSwitch can sustain power to the load even when the electronics module is being swapped for service.

Source 1

Output

Source 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Logic and Power Supplies

Connections and Bypass Section

Hot-Swap Electronics Section

3

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Emerson SmartSwitch manual Convenient, from selection to maintenance, Rack Mount