Z3I040, Z3I120, Z3I130 Surge Protector Set (Superseded By Z3I041 Z3I121) - Siemens Cerberus CS1140 Manual

Z3I040, Z3I120, Z3I130 Surge protector set (superseded by Z3I041, Z3I121)
15 Z3I040, Z3I120, Z3I130 Surge protector set
Z3I041, Z3I121)
15.1 Overview
15.2 Application example
Z3I040 /120 /130
N N
UCV
L L
UCV
L L
74
Building Technologies
Fire Safety & Security Products
Additional protection against surge voltage peaks in the mains lead (Option)
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
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)
B2F020
E
E
N
N
L
Incorrect
L
DANGER
3 4 5
Z3I040 /120 /130
N
UCV
L
UCV
L
max. 10A
(superseded by
E
N
N
Mains supply
L
Ground connec-
tion via mount-
L ing flange and
L
DIN extruded
section
001260_k_en_--.doc
02.2005