277V Single-Phase
WARNING!
!
If the DC Wallbox is a single-phase device, do not connect to a three-phase feed.
WARNING!
!
The following diagram illustrates the DC Wallbox connection to L1 and N in a single-phase
power grid feed. The earth ground must be connected to neutral at a single point, typically at
the breaker panel.
WARNING!
!
An earth connection is essential before connecting supply.
480V Three-Phase
WARNING!
!
The following diagram illustrates the DC Wallbox connection to L1, L2, L3, and neutral in a
y-connection power grid feed. The earth ground must be connected to neutral at a single
point, typically at the breaker panel.
WARNING!
!
An earth connection is essential before connecting supply.
Installation and Operation Manual
L1
277V
N
PE
480V
480V
277V
277V
277V
5
Important Safety and Wiring Instructions
L1
L2
L3
N
PE