Z3I040, Z3I120, Z3I130 Surge protector set (superseded by Z3I041, Z3I121)
74
Building Technologies
001260_k_en_--.doc
Fire Safety & Security Products
02.2005
15
Z3I040, Z3I120, Z3I130 Surge protector set
(superseded by
Z3I041, Z3I121)
15.1 Overview
z
Additional protection against surge voltage peaks in the mains lead (Option)
z
3 different surge protector sets available
–
Z3I120: 110 VAC
–
Z3I040: 230 VAC
–
Z3I130: and zero point floating ground (= 380 VAC type)
Application
–
In systems particularly at risk from lightning, such as transformer systems or al-
pine transmitting stations etc.
–
Z3I120 can also be used as a supplementary measure against static discharge
on detection lines or data lines
–
1 surge protector set per switchgear cabinet or per mains lead is enough
1
2
3
4
5
Legend:
1
Surge protector cartridge UCV... (2x)
2
Surge protector terminal (2x)
3
Fuse terminal (1x)
4
Ground terminal (2x)
5
Can be mounted on DIN extruded section in the control unit (instead of mains
terminals)
15.2 Application
example
Mains supply
max. 10A
Z3I040 /120 /130
L
N
E
L
N
B2F020
E
L
L
N
N
UCV
L
L
UCV
Z3I040 /120 /130
L
N
E
L
L
N
N
UCV
L
L
UCV
Ground connec-
tion via mount-
ing flange and
DIN extruded
section
DANGER
Incorrect