Brochure/Catalogue

B
B.88 2028840000
Lightning and surge protection for control and instrumentation signals
VSSC 6TAZ and TR TAZ - suppressor diode,
with and without isolation option (TR)
UNPROTECTED PROTECTED
UNPROTECTED PROTECTED
1
TS
3
4
6
2 5
1
TS
3
4
6
2 5
Rated current I
N
12 A
Volume resistance < 0.1
Ω
Overload - failure mode Mode 1
Requirements category acc. to IEC 61643-21 C3
Standards According to IEC61643-21
Surge current-carrying capacity C1
Surge current-carrying capacity C2
Surge current-carrying capacity C3 50 A 10/1000 μs
Surge current-carrying capacity D1
Discharge current I
n
(8/20 µs) wire-wire/wire-PE/GND-PE / 0.2 kA
Discharge I
max
(8/20 μs) wire-wire/wire-PE/GND-PE / 0.5 kA
Lightning test I
imp
(10/350 µs) wire-wire/wire-PE/GND-PE /
Storage temperature -40 °C...80 °C
Ambient temperature (operational) -40 °C...70 °C
Protection degree IP20
UL 94 flammability rating V-0
Connection data
Type of connection Screw connection, Torx
®
T15, Slotted 0.8 x 4
Tightening torque 0.5 Nm
Wire connection cross section, finely stranded, max. 4 mm²
Wire connection cross-section, finely stranded, min. 0.5 mm²
Wire cross-section, solid, max. 6 mm²
Wire cross-section, solid, min. 0.5 mm²
Wire cross-section, stranded, max. 4 mm²
Wire cross-section, stranded, min. 0.5 mm²
Stripping length 10 mm
Mounting rail TS 35
Failure probability
λges 32
MTTF 3567
SIL in compliance with IEC 61508 3
Approvals
Approvals CE; CSAEX; EAC; GOSTEX; OEVE; TUEV; UL
Standards According to IEC61643-21
12 12 12
10
12.5
12
11.5
11
10.5
10
9.5
9
-40 ºC 0 ºC 55 ºC 70 ºC
I/A
T
U
Note
Dimensions Dimensions
Height x width x depth mm 88.5 / 6.2 / 81
Technical data
• Two-stage surge protection with screw connection for PROFIBUS
RS422/485 data interfaces
• Surge protection in terminal block design
• Modular width of only 6.2mm
• Space-saving design: 1 signal
• Torx
®
slotted screw connection
• Can be used in compliance with installation standard IEC 62305
• Tested in accordance with IEC 61643-21
• Integrated PE foot, safely discharges up to 20kA (8/20 μs) and
2.5kA (10/350 μs) to PE
VARITECTOR SSC 6AN