VAL-MS 320/3+0 2920230 PHOENIX CONTACT Surge arrester for 4-conductor power supply systems (L1, L2, L3, PEN).. View larger
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VAL-MS 320/3+0 2920230 PHOENIX CONTACT Surge arrester for 4-conductor power supply systems (L1, L2, L3, PEN)..

VAL-MS 320/3+0




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

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Overvoltage Protection Over Voltage

TRABTECH Power and Signal Quality - PHOENIX CONTACT

Surge protection - PHOENIX CONTACT

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Height90 mm
Width53.4 mm
Depth58 mm
Horizontal pitch3 Div.

Ambient conditions

Degree of protectionIP20 (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
Vibration (operation)5g


Standards/specificationsIEC 61643-11 2011
EN 61643-11 2012
IEC test classificationII
EN typeT2
IEC power supply systemTN-C
Number of portsOne
SPD designVoltage-limiting type
Mode of protectionL-PEN
Mounting typeDIN rail: 35 mm
Housing materialPA 6.6
Pollution degree2
Flammability rating according to UL 94V-0
TypeDIN rail module, two-section, divisible
Number of positions3
Surge protection fault messageoptical

Protective circuit

Nominal voltage UN240/415 V AC (TN-C)
Nominal frequency fN50 Hz (60 Hz)
Maximum continuous operating voltage UC (L-PEN)335 V AC
Rated load current IL80 A
Residual current IPE≤ 1.35 mA
Standby power consumption PC≤ 450 mVA
Nominal discharge current In (8/20) µs (L-PEN)20 kA
Maximum discharge current Imax (8/20) µs (L-PEN)40 kA
Short-circuit current rating ISCCR25 kA
Voltage protection level Up (L-PEN)≤ 1.5 kV
Residual voltage Ures (L-PEN)≤ 1.5 kV (at In)
≤ 1.3 kV (at 10 kA)
≤ 1.2 kV (at 5 kA)
≤ 1.1 kV (at 3 kA)
TOV behavior at UT (L-PEN)415 V AC (5 s / withstand mode)
440 V AC (120 min / safe failure mode)
Response time tA (L-PEN)≤ 25 ns
Max. backup fuse with branch wiring125 A AC (gG)
Max. backup fuse with V-type through wiring80 A AC (gG)

Connection data

Connection methodScrew connection
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 AWG15 ... 2
10 ... 2 (UL)
Screw threadM5
Tightening torque4.5 Nm
30 lbf-in. (UL)
Stripping length16 mm

UL specifications

SPD Type4 (for Type 2 applications)
Maximum continuous operating voltage MCOV (L-G)320 V AC
Nom. voltage240 V AC
Mode of protectionL-L
Power distribution system3D
Nominal frequency50/60 Hz
Voltage protection rating VPR (L-L)2 kV
Voltage protection rating VPR (L-G)1.2 kV
Nominal discharge current In (L-L)20 kA
Nominal discharge current In (L-G)20 kA

Datasheet - PDF

PHOENIX CONTACT-2920230-VAL-MS 320/3+0English151 KbytesPHOENIX CONTACT-2920230-VAL-MS 320/3+0

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