Type 2 surge arrester - VAL-MS 750/30/3+0-FM

Surge arrester for 4-conductor power supply systems (L1, L2, L3, PEN), consisting of a base element with remote indication contact and protective connectors, for mounting on NS 35.

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-C
Type DIN rail module, two-section, divisible
Distance between live and grounded parts 8 mm
Product type Surge arrester
Number of positions 3
Surge protection fault message Optical, remote indicator contact
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal frequency fN 50 Hz (60 Hz)
Indicator/remote signaling
Connection name Remote fault indicator contact
Switching function Changeover contact
Operating voltage 5 V AC ... 250 V AC
30 V DC
Operating current 5 mA AC ... 1.5 A AC
1 A DC

Connection method Screw connection
Screw thread M5
Tightening torque 3 Nm (1.5 mm² ... 16 mm²)
4.5 Nm (25 mm² ... 35 mm²)
Stripping length 16 mm
Conductor cross section flexible 1.5 mm² ... 25 mm²
Conductor cross section solid 1.5 mm² ... 35 mm²
Conductor cross section AWG 15 ... 2
Connection method Fork-type cable lug
Conductor cross section flexible 1.5 mm² ... 16 mm²
Remote fault indicator contact
Connection method Plug-in/screw connection via COMBICON
Screw thread M2
Tightening torque 0.25 Nm
Conductor cross section flexible 0.14 mm² ... 1.5 mm²
Conductor cross section solid 0.14 mm² ... 1.5 mm²
Conductor cross section AWG 28 ... 16

Dimensional drawing
Width 53.4 mm
Height 98.7 mm
Depth 65.7 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 3 Div.

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

Mode of protection L-PE
Direction of action 3L-PEN
Nominal voltage UN 554/960 V AC (TN-C)
690 V AC (IT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 760 V AC
Rated load current IL 80 A
Residual current IPE ≤ 1.5 mA
Standby power consumption PC ≤ 1200 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 V-type through wiring 80 A (gG)
Max. backup fuse with branch wiring 100 A (gG)

Ambient conditions
Degree of protection IP20 (only when all terminal points are used)
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-L) 1500 V AC
Maximum continuous operating voltage MCOV (L-G) 750 V AC
Nominal discharge current In (L-L) 10 kA
Nominal discharge current In (L-G) 10 kA
Mode of protection L-L
Nominal voltage 690 V AC
Power distribution system Delta
Nominal frequency 50/60 Hz
Measured limiting voltage MLV (L-L) 4810 V
Measured limiting voltage MLV (L-G) 2560 V
SPD Type 4CA
AC operating voltage 125 V AC
AC operating current 1 A AC
UL connection data
Tightening torque 30 lbf-in.
Conductor cross section AWG 14 ... 2

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

Mounting type DIN rail: 35 mm

Item number 2920272
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C06
Product Key CL1321
Catalog Page Page 65 (C-4-2019)
GTIN 4046356157896
Weight per Piece (including packing) 409 g
Weight per Piece (excluding packing) 393 g
Customs tariff number 85363030
Country of origin DE


ECLASS-9.0 27130805
ECLASS-10.0.1 27130805
ECLASS-11.0 27130805
ECLASS-12.0 27171202


ETIM 8.0 EC000941


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: EAC-Zulassung


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


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


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


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

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