Description Of The Interior - hager Witty Installationsanleitung

4. Description of the interior

• Electrical composition of the base
6 mA detection connector
Day/night input
and Shunt Trip (D/N) and
(ST) terminal block
TIC/CHP
board
(optional)
HMI
connector
(LED)
Connector for
TIC board
USB port
Location of
WIFI module
MJT 716
ESC440
16 A protective circuit breaker,
controller board
40 A contactor, T2/T2S socket
Pulse counting input connector
Three-phase and earth connecting
terminal block
or
Single-phase and earth connecting terminal
L1 L2 L3
block
N
Cable duct
L1
33