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ne-xp-1 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
Combination Normal/Emergency Softswitch® Panel –
Feed-Through Only
Standard-size Softswitch feed-through panels are available with internal separation allowing normal and
emergency circuits to be wired into the same enclosure. Normal circuits are wired into the top section of the
enclosure. Emergency circuits are wired into the bottom section of the enclosure. Each section is controlled by
its own Softswitch controller, and the sections are considered as separate panels during system programming.
Combination
Normal/Emergency
Softswitch Panel
Normal Section
Emergency Section
Panel with cover
1
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ne-xp-2 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
Number
of Normal
Circuits
Prefix
X P 2 8 - E M 8 - FT - C G P _ _ _ _
Feed
How to Build a Model Number for Combination Normal/Emergency
Softswitch
® Panel
Custom Panel
Suffix
Prefix
XP for Softswitch panels
Number of Normal Circuits
Total number of normal circuits (switch legs) in the panel
Number of Emergency Circuits
Total number of emergency circuits (switch legs) in the panel
Feed
FT for feed-through panels
Custom Panel Suffix
Indicates panel with special options
Number
of Emerg.
Circuits
Combination Normal/Emergency Softswitch
Feed-Through Panels for 120/277 V
4
8
12
16
20
24
28
Normal
Switch Legs
Feed
Type
Feed-
through
Maximum
Feed
20 A
Emergency
Switch Legs
4 or 8
4 or 8
4 or 8
4 or 8
4 or 8
4 or 8
4 or 8
Combination Normal/Emergency Softswitch® Panel Models
2
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ne-xp-3 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
4.15 (105)
41.75 (1060)
2.69 (68)
2.43 (62)
15.875
(403)
8.00
(203)
14.375
(365)
59.50 (1511)
2.43 (62)
11.00
(279)
15.125
(394)
59.00
(1499)
4.21
(107)
0.150
(4)
Combination Normal/Emergency Softswitch® Panel Dimensions
Bottom View
Left Side View
Top View
Right Side View
All dimensions in inches (mm).
Front View
Cover
3
H
SH
H
SH
H
SH
H
SH
H
SH
H
SH
H
SH
H
SH
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ne-xp-4 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
Wire as shown. Use a trough when the Softswitch panel is not adjacent to a distribution panel.
Splice Neutrals in trough.
Do not remove bypass jumpers until load wiring is verified.
XP Switching
Module
(4 circuits)
Normal
circuit
selector
Hot
Neutral
Load
Switched load
Wiring: Normal
power section
Each switched
circuit requires a
dedicated 20 A
circuit breaker and
feed wiring to/from a
normal power
distribution panel, by
others.
Switched load
Wiring: Emergency
power section
Each switched
circuit requires a
dedicated 20 A
circuit breaker and
feed wiring to/from
an emergency
power distribution
panel, by others.
Combination Normal/Emergency Softswitch® Panel
Wiring Overview
Ground bus
Circuit breaker
Circuit breaker
Wire Sizes
• 14 AWG (2.5 mm
2
) to 10 AWG (4.0 mm
2
) for feed
wiring and switched load wiring
• Power (Hot/Live) and switched Hot/Live connect
directly to terminal block for switch legs
Hot
Neutral
Load
Ground bus
Emergency
circuit
selector
4
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ne-xp-5 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
Combination Normal/Emergency Softswitch® Panel
Dual-Voltage Control Feed Wiring
Combination Normal/Emergency Softswitch Panels are dual-voltage type and may be fed with either
120 V or 277 V .
Wire to either the 120 V or the 277 V control feed terminals, not both. The terminals for the unused
voltage will remain empty.
* Note: 120 V Hot terminal is protected by an internal fuse in case 277 V is mistakenly applied. A
spare fuse is also supplied in the panel.
{
277 V
277 V
N
N
N
120 V
277 V
control
feed
120 V
control
feed
OR
120 V *
277 V
Ground
Ground
Neutral
Neutral
Do not wire to
these terminals
{
277 V
277 V
N
N
N
120 V
277 V
control
feed
120 V
control
feed
OR
120 V *
277 V
Ground
Ground
Neutral
Neutral
Do not wire to
these terminals
Normal
Feed
Wiring
Emergency
Feed
Wiring
5
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ne-xp-6 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
PELV (Class 2: USA) Wiring Overview for Combination
Normal/Emergency Softswitch
® Panel
XP Panel
Control Unit
Control Interface
Wallstations
XP Panel
Control Unit
Control Interface
Wallstations
Processor
Panel
Power Panel Link
GRAFIK Eye® 4000 System
PELV (Class 2: USA) wiring link requires:
Two 12 AWG (2.5 mm
2
) conductors for control power.
One twisted, shielded pair of 18 AWG (1.0 mm
2
) for data link.
One 18 AWG (1.0 mm
2
) conductor for Emergency (Essential) sense line, from panel to panel.
Total length of control link may be no more than 2,000 ft. (610 m).
Approved low-voltage cable is available from Lutron,
1
Belden, and Liberty. These are approved with 22
AWG data link wires.
GRAFIK 5000TM/6000®/7000® System
PELV (Class 2: USA) wiring link requires:
Two 12 AWG (2.5 mm
2
) conductors for control power.
One twisted, shielded pair of 18 AWG (1.0 mm
2
) for data link.
One 18 AWG (1.0 mm
2
) conductor for emergency (essential) sense line, from panel to panel.
Total length of control link may be no more than 2,000 ft. (600 m).
If MUX-RPTR interface and GRX-CBL-46L cable
1
is used, length may be up to 4,000 ft. (1200 m).
System communications use low-voltage PELV (Class 2: USA) wiring.
Wiring must be daisy-chained.
Wiring must run separately from line (mains) voltage.
GRX-CBL-46L PELV (Class 2: USA) wiring cable is available from Lutron and contains:
Two 12 AWG (2.5 mm
2
) conductors for control power.
One twisted, shielded pair of 22 AWG (0.625 mm
2
) for data link.
One 18 AWG (1.0 mm
2
) conductor for emergency (essential) sense line.
1
Refer to GRAFIK 5000/6000/7000 Specification
6
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ne-xp-7 12.05.08
Power Equipment
XP Switching Panels
GRAFIK Systems
PELV (Class 2: USA) Panel-to-Panel Wiring for
Combination Normal/Emergency Softswitch
® Panel
SELECT CIRCUIT
Data A OK
Power
Data B OK
1234D5
1234D5 C D
Common
Common
+24VFW
Sense
MUX
MUX
Drain
Drain
MUX
MUX
Circuit
1
2
Link
A
Link
B
SELECT CIRCUIT
Data A OK
Power
Data B OK
1234D5
1234D5 C D
Common
Common
+24VFW
Sense
MUX
MUX
Drain
Drain
MUX
MUX
Circuit
1
2
Link
A
Link
B
Notes:
• Emergency power: The additional 18 AWG (1.0 mm
2
) wire is
a “sense” line from terminal 5 of another panel. This sense
line allows an Emergency (Essential) lighting panel to “sense”
when Normal (Non-Essential) power is lost. If more than one
Emergency lighting panel needs to sense from a specific
normal panel, a dedicated wire between each pair of Normal
(Non-Essential) and Emergency (Essential) panels may be
required.
• Shield/Drain: Connect shielding as shown. Do not connect to
Ground (Earth) or circuit selector. Connect the bare drain
wires and cut off the outside shield.
PELV (Class 2: USA) Terminal Connections
Each low-voltage PELV (Class 2: USA) terminal can accept
only two 18 AWG (1.0 mm
2
) wires. Two 12 AWG (2.5 mm
2
)
conductors will not fit. Connect as shown.
SELECT CIRCUIT
2
1
Circuit
Data A OK
Power
1234 5D
Common
24VFW
MUX
MUX
Drain
Sense
1234
D
5
Data B OK
B
Comm
Drain
MUX
MUX
C
D
Link
A
Link
Control
wiring
(2) 12 AWG
(2.5 mm
2
)
1: Common
2: 24 V
To additional
power panels
XP Panel Normal section
XP Panel Emergency section
To lighting
controls or
processors
Shield/Drain
Shield/Drain
(1) 18 AWG
(1.0 mm
2
)
5: Sense line
Data link
(1) shielded,
twisted pair 18
AWG (1.0 mm
2
)
3: MUX
4: MUX
1
2
3,4
5
1
2
3,4
(4) 12 AWG (2.5 mm
2
)
7