Weidmüller VSPC 4SL 24VAC EX is a Surge arrester MCR technology (Ex), VSPC, Digital signal, AC, Rated voltage (AC): 24 V, Rated voltage (DC): 34 V. The device is a surge arrester in the field of instrumention and control (I&C) is well suited for protecting measurement, control and regulation circuits (MCR) in the hazardous area applications (Ex area). It is approved to be used in this application. The portfolio offers small and compact design to protect up to two binary or four analogue signal with one device. The application is installed on a mounting rail.
| Type |
Surge protection device |
| Voltage Rating |
24V |
| ?ges |
43 |
| +85°C) li |
+75°C) li |
| 1kV/µs, typically |
8/20 µs, typically |
| Approvals |
IEC, CE |
| Assembly width |
17.8 |
| ATEX - dust labelling |
II 1 D Ex ia IIIC T135 °C … |
| ATEX - gas labelling |
II 1 G Ex ia IIC T4… T6 Ga |
| ATEX certificate |
ATEX Certificate |
| Certificate No. (ATEX) |
KEMA10ATEX0148X |
| Circuit diagram |
Discharge capacity |
| Colour |
Blue |
| Connection 1 |
Other |
| cUL certificate |
cUL Certificate - pdf/ |
| Current Rating |
300mA |
| DC Rated Voltage |
34V |
| Degree of protection (IP) |
IP20 |
| Depth |
69mm |
| Dielectric strength at FG against PE |
= 500 V |
| Discharge current Imax (8/20µs) wire-PE10 kA |
Discharge current Imax (8/20µs) wire- 10 kA |
| Discharge current In (8/20µs) GND-PE 2.5 kA |
Surge current-carrying capacity C2 |
| ECLASS 14.0 |
27-17-15-02 |
| ECLASS 15.0 |
27-17-15-02 |
| ETIM 10.0 |
EC000943 |
| ETIM 8.0 |
EC000943 |
| ETIM 9.0 |
EC000943 |
| Explosion-tested version |
true |
| Flammability Rating |
UL94 V-0 |
| Gas group C |
IIB |
| Gas group D |
IIA |
| Gas groups A, B |
IIC |
| GOST certificate |
GOST-Zertifikat - |
| GTIN (EAN) |
4032248950119 |
| GTIN (EAN) 4032248393596 |
Weidmueller, white |
| Height |
90mm |
| Humidity |
5...96 % |
| IEC Ex certificate |
IECEX Zertifikat - PDF/ |
| IECEx - dust labelling |
II 1 D Ex ia IIIC T135 °C … |
| IECEx - gas labelling |
II 1 G Ex ia IIC T4… T6 Ga |
| IECExCertificateDEK.pdf |
T85 °C Da |
| Input power, max. PI |
3 W |
| Internal inductance, max. LI |
0 µH |
| Lightning impulse current (10/350 µs) |
2.5 |
| Max. continuous voltage AC |
28 |
| Max. continuous voltage DC |
40 |
| Mount |
DIN Rail |
| MTTF |
2665 a |
| Net weight |
46.64g |
| Nominal load current |
300 |
| Number of conductors (without earthing) |
5 |
| Number of Poles |
2 |
| Operating Temperature |
-40 °C...70°C |
| Optical function display |
No |
| Overload - failure mode |
Modus 2 |
| Overload protection |
None |
| PFH in 1*10-9 per hour |
8.9 |
| Pollution severity |
2 |
| Pro-active thermo-control |
true |
| Product information |
Mode 2: State where the voltage-limiting part of the SPD was short-circuited due to a very low |
| protected binary signals |
4 |
| Protection degree |
IP20 |
| Protection level on output side Wire-PE 60 V |
Protection level on output side Wire-wire80 V |
| Rated current In |
300mA |
| Rated load current IL |
300mA |
| Rated Voltage (AC) |
24 V |
| REACH SVHC |
Lead 7439-92-1 |
| ROHS |
Conform |
| RoHS Compliance Status |
Compliant with exemption |
| SCIP |
71e97bb7-979f-4330-94c0-20c629bb05e3 |
| Segment |
Measurement - Monitoring |
| SFF |
79.3 % |
| Signal disconnection |
false |
| Signal transmission properties (-3 dB) |
2.7 MHz |
| Signalling at the device |
None |
| SIL in compliance with IEC 61508 |
2 |
| Storage temperature |
-40 °C...80°C |
| Surge current-carrying capacity C1 |
<1 kA 8/20 µs |
| Surge current-carrying capacity C3 |
100 A 10/1000 µs |
| Surge voltage category |
III |
| Temperature class T4/135°C (-40°C ... 350 mA |
Temperature class T5/100°C (-40 ° C ... 250mA |
| Temperature class T6/85 °C (-40 °C ... |
250mA |
| Time interval |
5 years |
| Type of connection |
Pluggable in VSPC BASE |
| Voltage protection level core/core |
110 |
| Voltage protection level core/earth |
60 |
| Volume resistance |
4.7 O |
| Width |
17.8mm |
| Width (inches) |
0.7008 inch |
| With remote signalling contact |
false |
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