Ex p relay
Power
Electrical connections
20190910_Manual_Exp-Relais_Power_en.docx
Rev. 0
Page 17 of 24
6
Electrical connections
DANGER
DEATH OR SERIOUS PHYSICAL INJURY DUE TO WORK ON LIVE PARTS.
Fatal injury from electrical current.
Observe the 5 safety rules for work on electrical systems:
Disconnect mains; protect against unintended reconnection; verify
the absence of voltage; earth and short-circuit; cover or safeguard
nearby live parts.
General information
Connection terminals with the type of protection “Ex e” are on the connection
board of the Ex p relay.
Terminal row
Function
Ex e
PE
Ground connection
A1
Activation of the Ex p relay (L / +)
A2
Activation of the Ex p relay (N / GND)
L3
Phase L3
L2
Phase L2
L1
Phase L1
N
Neutral conductor
