Arrester combination - VAL-MS-T1/T2 175/12.5/1+0-FM 2801044

Universal varistor-based plug-in lightning/surge arrester for 1-phase power supply networks with common N and PE (2-conductor system: L1, PEN), with remote indication contact.

Product Details




Mode of protection L-N
Mode of protection L-PEN
Direction of action L-N / L-PEN
Nominal voltage UN 120 V AC (TN-C, TN-S)
Nominal voltage UN 120 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 175 V AC
Rated load current IL 80 A
Residual current IPE ≤ 800 µA
Standby power consumption PC ≤ 140 mVA
Nominal discharge current In (8/20) µs 12.5 kA
Maximum discharge current Imax (8/20) µs 50 kA
Impulse discharge current (10/350) µs, charge 6.25 As
Impulse discharge current (10/350) µs, specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp 12.5 kA
Total discharge current Itotal (8/20) µs 12.5 kA
Total discharge current Itotal (10/350) µs 12.5 kA
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up ≤ 0.8 kV
Residual voltage Ures ≤ 0.8 kV (at In)
Residual voltage Ures ≤ 1.5 kV (at 30 kA)
Residual voltage Ures ≤ 0.7 kV (at 10 kA)
Residual voltage Ures ≤ 0.6 kV (at 5 kA)
Residual voltage Ures ≤ 0.55 kV (at 3 kA)
TOV behavior at UT 208 V AC (5 s / withstand mode)
Response time tA ≤ 25 ns
Max. backup fuse with V-type through wiring 80 A (gG - 16 mm2)
Max. backup fuse with branch wiring 160 A (gG)

Environmental Product Compliance
China RoHS Environmentally Friendly Use Period = 50 years
China RoHS For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”

Nominal frequency fN 50 Hz (60 Hz)
Nominal voltage UN 120 V AC
Indicator/remote signaling
Connection name Remote fault indicator contact
Switching function PDT contact
Operating voltage 5 V AC ... 250 V AC
Operating voltage 30 V DC
Operating current 5 mA AC ... 1 A AC
Operating current 1 A DC

Mechanical data
Open side panel No

Dimensional drawing
Width 17.5 mm
Height 99 mm
Depth 77.5 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/PBT
Material group I
Housing material PA 6.6
Housing material PBT

Mounting type DIN rail: 35 mm

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) 30g
Vibration (operation) 7.5g

Connection method Screw connection
Screw thread M5
Tightening torque 4.5 Nm
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

Standards/specifications IEC 61643-11
Standards/specifications EN 61643-11
Shock (operation) 30g
Air clearances and creepage distances
Standards/regulations EN 60664-1 / EN 61643-11

IEC test classification I / II
IEC test classification I
IEC test classification T1 / T2
IEC test classification T1
EN type T1 / T2
EN type T1
IEC power supply system TN-S
IEC power supply system TN-C
IEC power supply system TT
Type DIN rail module, two-section, divisible
Surge protection fault message Optical, remote indicator contact
Insulation characteristics
Overvoltage category III
Pollution degree 2


Order Key 2801044
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key CL1
Catalog Page Page 37 (C-6-2015)
GTIN 4046356698122
Weight per Piece (including packing) 155.0 GRM
Weight per Piece (excluding packing) 155.0 GRM
Customs tariff number 85363030



Your advantages

Plugs can be checked with CHECKMASTER
With floating remote indication contact
Secure hold of plugs in the event of high lightning current loads and strong vibrations thanks to new latching
Mechanical coding of all slots
Optical, mechanical status indication for the individual arresters
Pluggable
Thermal disconnect device for each individual plug