Universal varistor-based plug-in lightning/surge arrester fo - PHOENIX CONTACT - VAL-MS-T1/T2 175/12.5/10 - 2801043 View larger
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Universal varistor-based plug-in lightning/surge arrester fo - PHOENIX CONTACT - VAL-MS-T1/T2 175/12.5/10 - 2801043

VAL-MS-T1/T2 175/12.5/1+0




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

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Overvoltage Protection Over Voltage

TRABTECH Power and Signal Quality - PHOENIX CONTACT

Surge protection - PHOENIX CONTACT

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Price: $93.04
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Height90 mm
Width17.5 mm
Depth77.5 mm
Horizontal pitch1 Div.

Ambient conditions

Degree of protectionIP20
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


IEC power supply systemTN-S
Housing materialPA 6.6
Flammability rating according to UL 94V-0
Standards for cearances and creepage distancesEN 60664-1
EN 61643-11
Mounting typeDIN rail: 35 mm
TypeDIN rail module, two-section, divisible
Surge protection fault messageoptical
Direction of actionL-N / L-PEN

Protective circuit

IEC test classificationI / II
T1 / T2
EN typeT1 / T2
Nominal voltage UN120 V AC (TN-C, TN-S)
Maximum continuous operating voltage UC175 V AC
UT (TOV-proof)208 V AC (5 s)
Nominal frequency fN50 Hz (60 Hz)
Rated load current IL80 A
Residual current IPE≤ 800 µA
Standby power consumption PC≤ 140 mVA
Max. discharge current Imax (8/20) µs50 kA
Nominal discharge current In (8/20) µs12.5 kA
Voltage protection level Up≤ 0.8 kV
Response time tA≤ 25 ns
Max. backup fuse with branch wiring160 A AC (gG)
Max. backup fuse with V-type through wiring80 A (gG - 16 mm²)
Short-circuit current rating ISCCR25 kA

Connection, protective circuit

Connection methodScrew connection
Biconnect terminal block
Screw threadM5
Tightening torque4.5 Nm
Stripping length16 mm
Conductor cross section flexible min.1.5 mm²
Conductor cross section flexible max.25 mm²
Conductor cross section solid min.1.5 mm²
Conductor cross section solid max.35 mm²
Conductor cross section AWG min.15
Conductor cross section AWG max.2
Conductor cross section AWG15 ... 2

Standards and Regulations

Standards/regulationsIEC 61643-11 2011
EN 61643-11 2012

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