Type 2 surge protection plug - VAL-MS 750/30-ST

Type 2 surge protection plug with a varistor for VAL-MS base element, thermal monitoring, visual fault warning. Design: 750 V AC

Product Details

Note For use in all low-voltage systems between L-PEN.
Only for use in IT systems between L-PE if the bodies of the equipment in the low-voltage system are connected to the grounding system of the transformer station. (common grounding of the HV transformer station and the bodies of the LV consumer's installation. RE = RA according to IEC 60364-4-442/VDE 0100-442 Figure 44D/example a)

IEC test classification II
EN type T2
IEC power supply system TN
Type Male
Distance between live and grounded parts 8 mm
Product type Replacement plug
Number of positions 1
Surge protection fault message optical
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal frequency fN 50 Hz (60 Hz)

Connection method pluggable

Dimensional drawing
Width 17.5 mm
Height 52.4 mm
Depth 55.3 mm
Horizontal pitch 1 Div.

Color jet black RAL 9005
Flammability rating according to UL 94 V-0
CTI value of material 600
Insulating material PA 6.6
Material group I
Housing material PA 6.6

Mode of protection L-PE
Direction of action 1L-N/PE
Nominal voltage UN 554/960 V AC (TN)
690 V AC (IT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 760 V AC
Residual current IPE ≤ 0.5 mA
Standby power consumption PC ≤ 400 mVA
Nominal discharge current In (8/20) µs 15 kA
Maximum discharge current Imax (8/20) µs 30 kA
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up ≤ 2.9 kV
Residual voltage Ures ≤ 2.9 kV (at In)
≤ 2.7 kV (at 10 kA)
≤ 2.5 kV (at 5 kA)
≤ 2.3 kV (at 3 kA)
TOV behavior at UT 1000 V AC (5 s / withstand mode)
1056 V AC (120 min / safe failure mode)
Response time tA ≤ 25 ns
Max. backup fuse with branch wiring 100 A (gG)

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Altitude ≤ 2000 m (amsl (above mean sea level))
Permissible humidity (operation) 5 % ... 95 %
Shock (operation) 25g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (operation) 5g (10 ... 500 Hz / 2.5 h / X, Y, Z)

UL specifications
Maximum continuous operating voltage MCOV (L-N) 750 V AC
Nominal discharge current In (L-N) 10 kA
Mode of protection L-N
Nominal voltage 690 V AC
Power distribution system Single phase
Nominal frequency 50/60 Hz
Measured limiting voltage MLV (L-N) 2700 V
SPD Type 4CA

Standards/specifications IEC 61643-11
Standards/specifications EN 61643-11

Mounting type on base element

Item number 2920256
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C06
Product Key CL1321
Catalog Page Page 65 (C-4-2019)
GTIN 4046356157308
Weight per Piece (including packing) 64.67 g
Weight per Piece (excluding packing) 62 g
Customs tariff number 85363030
Country of origin DE


ECLASS-9.0 27130890
ECLASS-10.0.1 27130890
ECLASS-11.0 27130890


ETIM 8.0 EC002496


UNSPSC 21.0 39121600

cUL Recognized

Approval ID: FILE E 330181

UL Recognized

Approval ID: FILE E 330181


Approval ID: AT 2905/M1


Approval ID: RU C-DE.*09.B.00169


Approval ID: NTR-AT 1947-A
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: 71-113273 REV.1


Approval ID: TAE000041M
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: 13631


Approval ID: 18583-001-16

cULus Recognized

China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values

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Your advantages

Quality proven millions of times over in the widest range of applications
Rapid installation with bridges, thanks to industry-standard overall width of 1 HP
Easy testing and insulation measurement, thanks to pluggable protection modules
Can be used in high-performance industrial networks and wind turbine generators (stator) due to the high nominal voltage