WATTSTOPPER
ARCHITECTURAL DIMMING INFRASTRUCTURE & ENCLOSURES
EMERGENCY LIGHTING
SHUNT RELAY
VA-RRU-1-120V (-277V)
Description
Legrand’s Emergency Lighting Shunt Relay may be used to place selected loads into emergency override as long as there is
emergency power provided to the specified modules or loads. Using the VA-RRU relay allows emergency override status to initiate
automatically in a power outage eliminating the need for manual override activation. Manual override may still be activated by
using a Vantage override switch without affecting the operation of the VA-RRU relay.
Specifications
Models
VA-RRU-1-120V (Use for any applicable 120V service), VA-RRU-1-277V (Use for any applicable 277 V service)
Dimensions
3.75”(L) x 1.75”(W) x 1.25”(H)
Color
Black
Ambient temperature
32-104°F (0-40°C)
UL924V
Emergency lighting equipment
WWW.LEGRAND.US/WATTSTOPPER
Wiring Diagram - Main Terminal Board
Port 2
RS485-1
Gnd
Run 2
Secondary Enclosures
Bus 2
Bus 3
Bus 4
T/R+
T/R-
Station Bus
Class 2
Run 1
T/R-
T/RT/R+
Controller
Bus
T/R+
TX5
Gnd
Port 5
RX 5
Gnd
RX 2
Port 4
TX 2
RX 2
Gnd
TX 2
RS-232
Port 3
Gnd
CTS 2
RTS 2
RX 2
TX 2
Gnd
CTS 1
RTS 1
+12VDC 250mA
TX1
RX 1
ON
LINE
NEUTRAL
RS485-2
Gnd
T/R+
T/R-
Port 1
OFF
Gnd
Controller Bus
Termination
1s
T/R+
T/R-
Enclosure
Address
Override
36V
Main Enclosure Terminal Board
10s
REGULAR LINE HOT
(Unswitched)
REGULAR PANEL
20 AMP
BREAKER
REGULAR LINE NEUTRAL
Wiring Diagram - Secondary Terminal Board
Secondary Enclosure
Terminal Board
Enclosure
Bus
Termination
1 2 3
Override
GND
T/RB
T/R+
Override
B
T/RB
GND
A
T/R+
Enclosure
Select
OFF
ON
1 2 3
Serial #
REGULAR LINE HOT
(Unswitched)
REGULAR PANEL
20 AMP
BREAKER
REGULAR LINE NEUTRAL
WWW.LEGRAND.US/WATTSTOPPER
Wiring Diagram - LVOS-0-10-PWM Station
LINE
AC
Lighting load must be powered via
EM power to work in override mode
LV POS +
LV NEG -
REGULAR LINE HOT
(Unswitched)
REGULAR PANEL
20 AMP
BREAKER
STATION
BUS
REGULAR LINE NEUTRAL
(To InFusion
Controller)
2
10mA
MAX
CONTACT INPUT
4
1
2
ETHERNET
10/100
OVERRIDE
0-10
3
ON
OFF
GND
GND
GND
GND
3
4
IR SENS
+12V
2
0-10 OUTPUTS
PWM
1
1
+12V
GND
GND
GND
OUT 4
GND
PWM OUTPUTS
OUT 3
GND
OUT 2
GND
OUT 1
GND
OUT 4
GND
OUT 3
OUT 1
STATION
BUS
CLASS 2
OUT 2
VA-RRU-1-120V or VA-RRU-1-277V
Emergency Shunt Relay
RELAY
3
4
1
2
3
GND
GND
LINE
LINE
NEUTRAL
NEUTRAL
LOW VOLTAGE OUTPUT STATION-0-10-PWM-DIN
INPUT
120-277VAC
50/60 Hz
2
3
4
4
STATUS
RELAY: 120-277 VAC/5A MAX. INCANDESCENT
1
STATION
BUS
CLASS 2
SERIAL NUMBER
LVOS-0-10-PWM-DIN
0-10: 10VDC@100mA MAX
PWM: 12VDC@100mA MAX
12 AWG Stranded
120V to 277V
From 20 AMP
Breaker
Breaker feeds can be shared as long
as the maximum breaker amperage
is not exceeded. See the LVOS-0-10-PWM install sheet
Ordering Information
Catalog #
Description
Voltage
VA-RRU-1-120
Emergency Lighting Shunt Relay
120VAC
VA-RRU-1-277
Emergency Lighting Shunt Relay
277VAC
WWW.LEGRAND.US/WATTSTOPPER
Pub. No. 46101 Rev. 5/2016