Z3I040, Z3I120, Z3I130 Surge protector set (superseded by Z3I041, Z3I121)
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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15 Z3I040, Z3I120, Z3I130 Surge protector set (superseded by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
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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
LL
NN
UCV
LL
UCV
Z3I040 /120 /130
L
N
E
LL
NN
UCV
LL
UCV
Ground connec-
tion via mount-
ing flange and
DIN extruded
section
DANGER
Incorrect
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