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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
VAL-MS 350 VF-RW ST
Weight
0.053 kg
Series VAL-MS

VAL-MS 350 VF-RW ST - Type 2 surge protection plug

Surge protection plug type 2 with series connection consisting of a varistor and gas-filled spark gap for VAL-MS base element, thermal monitoring, visual fault warning. Version: 350 V AC with increased lightning current discharge capacity.

Technical Specifications

General

NoteUsable in all low-voltage systems between L-N or L-PEN.Only usable in IT Systems between L-PE, if the exposed-conductive-parts (bodies) of the equipment of the low-voltage installation is connected to the earthing arrangement of the transformer substation. (interconnected earthing arrangement of the HV-transformer substation with the bodies of the LV-installation. RE = RA accordance to IEC 60364-4-442 / VDE 0100-442 Fig. 44D / Example a)

Product properties

Product familyVALVETRAB MS
IEC test classificationII
IEC test classificationT2
EN typeT2
IEC power supply systemTN
IEC power supply systemTT
IEC power supply systemIT
TypeDIN rail module, two-section, divisible
Number of Positions1
Surge protection fault messageoptical

Insulation characteristics

Overvoltage categoryIII
Pollution degree2

Electrical properties

Nominal frequency fN50 Hz (60 Hz)

Connection data

Connection Methodpluggable

Dimensions

Width17.5 mm
Height52.4 mm
Depth55.3 mm
Horizontal pitch1 Div.

Material specifications

Colorblack (RAL 9005)
Flammability rating according to UL 94V-0
CTI value of material600
Insulating materialPA 6.6
Material groupI
Housing MaterialPA 6.6

Protective circuit

Mode of protectionL-N
Mode of protectionL-PE
Mode of protectionL-PEN
Nominal voltage UN240/415 V AC (TN)
Nominal voltage UN240/415 V AC (TT)
Nominal voltage UN230 V AC (IT)
Nominal frequency fN50 Hz (60 Hz)
Maximum continuous voltage UC350 V AC
Residual current IPE≤ 5 µA
Standby power consumption PC≤ 2.00 mVA
Nominal discharge current In (8/20) µs10 kA
Maximum discharge current Imax (8/20) µs20 kA
Impulse discharge current (10/350) µs, charge1.25 As
Impulse discharge current (10/350) µs, specific energy1.56 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp2.5 kA
Short-circuit current rating ISCCR25 kA
Voltage protection level Up≤ 1.5 kV
Residual voltage Ures≤ 1.35 kV (at In)
Residual voltage Ures≤ 1.35 kV (at 10 kA)
Residual voltage Ures≤ 1.2 kV (at 5 kA)
Front of wave sparkover voltage at 6 kV (1.2/50) µs≤ 1.5 kV
TOV behavior at UT415 V AC (5 s / withstand mode)
TOV behavior at UT440 V AC (120 min / withstand mode)
Response time tA≤ 100 ns
Max. backup fuse with branch wiring125 A (gG)

Additional technical data

Impulse discharge current (10/350) µs, charge1.25 As
Impulse discharge current (10/350) µs, specific energy1.56 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp2.5 kA (3 x)

Ambient conditions

Degree of ProtectionIP20
Ambient Temperature (Operation)-40 °C ... 80 °C
Ambient temperature (storage/transport)-40 °C ... 80 °C
Altitude≤ 2000 m (amsl)
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)

Standards and Regulations

Standards/specificationsIEC 61643-11
Note2011
Standards/specificationsEN 61643-11
Note2012

Mounting

Mounting Typeon base element
Accessories

Why Proax for Phoenix Contact 1050280?

Proax is an authorized distributor of Phoenix Contact 1050280 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Pack Size10
Recommended
Sold in quantities of 10

Available for order

Phoenix Contact Availability