PHOENIX CONTACT VAL-MS 320/3+1/FM-UD VAL-MS 320/3+1/FM-UD 2856689 PHOENIX CONTACT Type 2 surge arrester View larger
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VAL-MS 320/3+1/FM-UD 2856689 PHOENIX CONTACT Type 2 surge arrester

VAL-MS 320/3+1/FM-UD

2856689

PHOENIX CONTACT

1 Pcs.

Type 2 surge arrester Surge arrester consisting of a base element with FM remote indication contact and plug-in protections, for installation on NS 35/7.5, nominal voltage: 320 V AC, circuit "3 + 1" Surge voltage arrester consisting of base element with remote indicator contact and ground connectors, for mounting on NS 35/7.5, nominal voltage: 320 V AC, 3 + 1 circuit

Automation > Surge protection device for power supply systems
Trabtech (TT)

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Product Overview

VAL-MS 320/3+1/FM-UD 2856689 PHOENIX CONTACT Type 2 surge arrester is a critical electrical component deployed in industrial distribution panels to protect infrastructure from transient voltage surges. These devices act as dependable barriers, clamping high-energy spikes and routing them safely to ground before they can damage downstream equipment. Pricing, availability and lead time are confirmed per enquiry through an RFQ.

  • Product type: Surge arrester
  • Product family: VALVETRAB MS
  • IEC test classification: II
  • EN type: T2
  • IEC power supply system: TN-S
  • Type: DIN rail module, two-section, divisible
  • Number of positions: 4
  • Surge protection fault message: Optical, remote indicator contact
  • Data management status Article revision: 21
  • Insulation characteristics Overvoltage category: III
  • Pollution degree: 2
  • Nominal frequency f N: 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
  • Operating current: 5 mA AC ... 750 mA AC

More info

Technical data

Product properties
Product typeSurge arrester
Product familyVALVETRAB MS
IEC test classificationII
T2
EN typeT2
IEC power supply systemTN-S
TT
TypeDIN rail module, two-section, divisible
Number of positions4
Surge protection fault messageOptical, remote indicator contact
Data management status
Article revision21
Insulation characteristics
Overvoltage categoryIII
Pollution degree2

Electrical properties
Nominal frequency fN50 Hz (60 Hz)
Indicator/remote signaling
Connection nameRemote fault indicator contact
Switching functionChangeover contact
Operating voltage5 V AC ... 250 V AC
30 V DC
Operating current5 mA AC ... 750 mA AC
1 A DC

Connection data
Connection methodScrew connection
Screw threadM5
Tightening torque3 Nm (1.5 mm² ... 16 mm²)
4.5 Nm (25 mm² ... 35 mm²)
Stripping length16 mm
Conductor cross section flexible1.5 mm² ... 25 mm²
Conductor cross section rigid1.5 mm² ... 35 mm²
Conductor cross section AWG15 ... 2
Connection methodFork-type cable lug
Conductor cross section flexible1.5 mm² ... 16 mm²
Remote fault indicator contact
Connection methodPlug-in/screw connection via COMBICON
Screw threadM2
Tightening torque0.25 Nm
Stripping length7 mm
Conductor cross section flexible0.14 mm² ... 1.5 mm²
Conductor cross section rigid0.14 mm² ... 1.5 mm²
Conductor cross section AWG28 ... 16

Dimensions
Dimensional drawing
Width71 mm
Height98.7 mm
Depth65.7 mm (incl. DIN rail 7.5 mm)
Horizontal pitch4 Div.

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

Protective circuit
Mode of protectionL-N
L-PE
N-PE
Direction of action3L-N & N-PE
Nominal voltage UN240/415 V AC (TN-S)
240/415 V AC (TT)
Nominal frequency fN50 Hz (60 Hz)
Maximum continuous operating voltage UC(L-N)335 V AC
Maximum continuous operating voltage UC(L-PE)335 V AC
Maximum continuous operating voltage UC(N-PE)260 V AC
Rated load current IL80 A
Residual current IPE≤ 5 µA
Standby power consumption PC≤ 450 mVA
Nominal discharge current In(8/20) µs20 kA
Maximum discharge current Imax(8/20) µs40 kA
Follow current interrupt rating Ifi(N-PE)100 A
Short-circuit current rating ISCCR25 kA
Voltage protection level Up(L-N)≤ 1.6 kV
Voltage protection level Up(L-PE)≤ 1.9 kV
Voltage protection level Up(N-PE)≤ 1.5 kV
Residual voltage Ures(L-N)≤ 1.6 kV (at In)
≤ 1.5 kV (at 10 kA)
≤ 1.3 kV (at 5 kA)
≤ 1.1 kV (at 3 kA)
Residual voltage Ures(L-PE)≤ 1.9 kV (at In)
≤ 1.5 kV (at 10 kA)
≤ 1.3 kV (at 5 kA)
≤ 1.2 kV (at 3 kA)
Residual voltage Ures(N-PE)≤ 0.4 kV (at In)
≤ 0.25 kV (at 10 kA)
≤ 0.15 kV (at 5 kA)
≤ 0.1 kV (at 3 kA)
TOV behavior at UT(L-N)415 V AC (5 s / withstand mode)
440 V AC (120 min / safe failure mode)
TOV behavior at UT(N-PE)1200 V AC (200 ms / withstand mode)
Response time tA(L-N)≤ 25 ns
Response time tA(L-PE)≤ 100 ns
Response time tA(N-PE)≤ 100 ns
Max. backup fuse with V-type through wiring80 A (gG)
Max. backup fuse with branch wiring125 A (gG)

Environmental and real-life conditions
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)
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)

Approvals
UL specifications
Maximum continuous operating voltage MCOV (L-L)640 V AC
Maximum continuous operating voltage MCOV (L-N)320 V AC
Maximum continuous operating voltage MCOV (L-G)320 V AC
Maximum continuous operating voltage MCOV (N-G)260 V AC
Nominal discharge current In(L-L)20 kA
Nominal discharge current In(L-N)20 kA
Nominal discharge current In(L-G)20 kA
Nominal discharge current In(N-G)20 kA
Mode of protectionL-L
L-N
L-G
N-G
Nominal voltage240/415 V AC
Power distribution systemWye
Nominal frequency50/60 Hz
Measured limiting voltage MLV (L-L)2900 V
Measured limiting voltage MLV (L-N)2030 V
Measured limiting voltage MLV (L-G)2720 V
Measured limiting voltage MLV (N-G)1370 V
SPD Type4CA
UL indicator/remote signaling
Operating voltage125 V AC
AC operating current1 A AC
UL connection data
Tightening torque30 lbf-in.
Conductor cross section AWG14 ... 2

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

Mounting
Mounting typeDIN rail: 35 mm

Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.