VSSC4 GDT55VUC 20KA EX
VSSC4 GDT55VUC 20KA EX
VSSC4 GDT55VUC 20KA EX
VSSC4 GDT55VUC 20KA EX

VSSC4 GDT55VUC 20KA EX

Surge protection for instrumentation and control, Surge protection for measurement and control

Nr. produktu 1064040000
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Approvals General ordering data Dimensions and weights Temperatures Probability of failure Environmental Product Compliance Protection Ex - Data CSA protection data General data Insulation coordination acc. to EN 50178 Rated data IEC / EN Further details of approvals Connection data General data Ratings IECEx/ATEX/cUL Important note Classifications Tender specification sheets

Approvals

Approvals
![](https://assets.dam.weidmueller.com/assets/api/8761d6a8-633c-4aff-8793-97a5d2b0ca50/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/98e12ea5-58f4-450a-9983-f439987b3951/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/2fe64228-e403-4415-b85f-44f3a8f8bb2c/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/2fb608f0-c73d-4515-a7a5-878046a505f4/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/c809b3ab-e765-499c-852e-d528779da9f7/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/52b59257-358c-4bc4-9ea4-df407cebf157/DAP_Master_ICON,w_80,q_80) 
ROHS
Conform 

General ordering data

Version
Surge protection for instrumentation and control, Surge protection for measurement and control 
Order No.
1064040000 
Type
VSSC4 GDT55VUC 20KA EX 
GTIN (EAN)
4032248829453 
Qty.
5 Styk

Dimensions and weights

Depth
58,5 mm
Depth (inches)
2,303 inch
Height
76 mm
Height (inches)
2,992 inch
Width
12,4 mm
Width (inches)
0,488 inch
Net weight
9,856 g

Temperatures

Storage temperature
-40 °C...80 °C 
Ambient temperature
-40 °C…70 °C 
Operating temperature
-40 °C...70 °C 
Humidity
5...96 % 

Probability of failure

SIL in compliance with IEC 61508
3 
MTTF
11.416 a
SFF
100 %
λges
10 
PFH in 1*10-9 per hour
0 

Environmental Product Compliance

RoHS Compliance Status
Compliant without exemption 
REACH SVHC
No SVHC above 0.1 wt% 

Protection Ex - Data

ATEX - dust labelling
II 1 D Ex ia IIIC T135 °C …T85 °C Da 
ATEX - gas labelling
II 1 G Ex ia IIC T4… T6 Ga 
IECEx - dust labelling
II 1 D Ex ia IIIC T135 °C …T85 °C Da 
IECEx - gas labelling
II 1 G Ex ia IIC T4… T6 Ga 
Input power, max. PI
0.75 W 
Internal capacity, max. CI
0 nF 
Internal inductance, max. LI
0 µH 
Temperature class T4/135°C (-40°C ... +120 °C) li
300 mA
Temperature class T5/100°C (-40 ° C ... +85 °C) li
300 mA
Temperature class T6/85 °C (-40 °C ... +70 °C) li
300 mA

CSA protection data

Gas group D
IIA 
Gas groups A, B
IIC 
Gasgruppe C
IIB 
Input-current, max. II
300 mA 
Internal capacity, max. CI
0 nF 
Internal inductance, max. LI
0 µH 

General data

Colour
Light Blue 
Isolating function
No 
Mounting rail
TS 35 
Optical function display
No 
Protection degree
IP20 
Segment
Measurement - Monitoring - Setting 
Version
Surge protection for measurement and control 

Insulation coordination acc. to EN 50178

Degré de pollution
2 
Surge voltage category
III 

Rated data IEC / EN

Dielectric strength at FG against PE
≥ 500 V 
Discharge current Imax (8/20µs) wire-PE
20 kA 
Discharge current, max. (8/20 µs)
20 kA
Number of poles
1 
Overload - failure mode
Modus 2 
pojemność
4.65 pF 
Prąd testu ochrony odgromowej Iimpuls (10/350 µs)
2.5 kA 
Pulse-reset capacity
≤ 20 ms 
Rated load current IL
300 mA
Surge current-carrying capacity C2
5 kA 8/20 μs 
Surge current-carrying capacity C3
100 A 10/1000 μs 
Surge current-carrying capacity D1
2.5 kA 10/350 μs 
Tensione nominale (AC)
55 V
Volume resistance
<0.1 Ω 
정격 전류 IN
300 mA

Further details of approvals

GOST tanúsítvány
[GOST-Zertifikat](PDF/7950_n1-n4.pdf) 

Connection data

Stripping length
10 mm
Type of connection
Screw connection 
Tightening torque, min.
0,5 Nm
Tightening torque, max.
0,8 Nm
Clamping range, min.
0,5 mm²
Clamping range, max.
4 mm²
Wire cross-section, solid, min.
0,5 mm²
Wire cross-section, solid, max.
6 mm²
Conductor cross-section, flexible, AEH (DIN 46228-1), min.
0,5 mm²
Conductor cross-section, flexible, AEH (DIN 46228-1), max.
4 mm²
Connection cross-section, stranded, min.
0,5 mm²
Connection cross-section, stranded, max.
4 mm²

General data

Number of poles
1 
Protection degree
IP20 
Colour
Light Blue 

Ratings IECEx/ATEX/cUL

ATEX - dust labelling
II 1 D Ex ia IIIC T135 °C …T85 °C Da 
ATEX - gas labelling
II 1 G Ex ia IIC T4… T6 Ga 
ATEX certificate
[ATEX Certificate](PDF/11ATEX0023X Iss 1 (D+E).pdf) 
IEC Ex certificate
[11ATEX0023X](PDF/VSSC_IECEx DEK 11.0020x.pdf) 
IECEx - dust labelling
II 1 D Ex ia IIIC T135 °C …T85 °C Da 
IECEx - gas labelling
II 1 G Ex ia IIC T4… T6 Ga 
cUL certificate
[cUL Certificate](pdf/VSSC.PDF) 

Important note

Product information
Mode 2: State where the voltage-limiting part of the SPD was short-circuited due to a very low impedance within the SPD. The line is inoperable, but the measuring equipment is still protected by means of a short-circuit. 

Classifications

ETIM 8.0
EC000943 
ETIM 9.0
EC000943 
ETIM 10.0
EC000943 
ECLASS 14.0
27-17-15-02 
ECLASS 15.0
27-17-15-02 

Tender specification sheets

Long specification
Feed-through terminal, 12.4mm wide with gas-filled surge voltage arrester between the signal line connection and the mounting rail potential, TS 35 contact base.An intrinsically safe signal with max. 0.3A can be protected here. When the terminal is fitted, a simultaneous electrically conducting contact is made between the mounting rail (earth) and the reference potential (ground) of the protection circuit in the terminal. Optical identification of the terminal based on the type of protected switching and the voltage level. The terminal can be labelled or marked. Suitable for ATEX applications. Tested to Ex area ignition protection types: Ex ia IIC / Ex iaD 
Short specification
Feed-through terminal with gas-filled surge voltage arrester between the signal line connection and the mounting rail potential, TS 35 contact base. Version: 55V UC. Suitable for ATEX applications.