F-MS 12/FM 2817974 PHOENIX CONTACT Surge arrester type 2, consisting of base element with remote indicator c.. View larger
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F-MS 12/FM 2817974 PHOENIX CONTACT Surge arrester type 2, consisting of base element with remote indicator c..

F-MS 12/FM




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Surge arrester type 2, consisting of base element with remote indicator contact and protective plug with N-PE total current spark gap for mounting on NS 35/7.5, housing width: 17.5 mm (1 Div.)

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Overvoltage Protection Over Voltage

TRABTECH Power and Signal Quality - PHOENIX CONTACT

Surge protection - PHOENIX CONTACT

* Brand new product in its original packaging covered by the warranties and certifications provided by PHOENIX_CONTACT

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Height97 mm
Width17.6 mm
Depth58 mm
Horizontal pitch1 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 (half sinus / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (operation)5g (10 ... 500 Hz / 2.5 h / X, Y, Z)


Standards/specificationsIEC 61643-11 2011
EN 61643-11 2012
IEC test classificationII
EN typeT2
IEC power supply systemTN
Number of portsOne
SPD designVoltage-switching type
Mode of protectionN-PE
Mounting typeDIN rail: 35 mm
Colorjet black RAL 9005
Housing materialPA 6.6
Pollution degree2
Flammability rating according to UL 94V-0
TypeDIN rail module, two-section, divisible
Number of positions1
Surge protection fault messageOptical, remote indicator contact

Protective circuit

Nominal voltage UN240/415 V AC (TN - only N-PE)
240/415 V AC (TT - only N-PE)
Nominal frequency fN50 Hz (60 Hz)
Maximum continuous voltage UC260 V AC
Maximum continuous voltage UC (N-PE)260 V AC
Rated load current IL80 A
Residual current IPE≤ 5 µA
Standby power consumption PC≤ 1.5 mVA
Nominal discharge current In (8/20) µs20 kA
Maximum discharge current Imax (8/20) µs40 kA
Follow current interrupt rating Ifi100 A (260 V)
Voltage protection level Up≤ 1.5 kV
Residual voltage Ures≤ 0.4 kV (at In)
≤ 0.25 kV (at 10 kA)
≤ 0.15 kV (at 5 kA)
≤ 0.1 kV (at 3 kA)
Front of wave sparkover voltage at 6 kV (1.2/50) µs≤ 1.5 kV
TOV behavior at UT1200 V AC (200 ms / withstand mode)
Response time tA≤ 100 ns
Max. backup fuse with V-type through wiring80 A AC (gG)

Indicator/remote signaling

Connection nameRemote fault indicator contact
Switching functionPDT contact
Operating voltage5 V AC ... 250 V AC
30 V DC
Operating current5 mA AC ... 1 A AC
1 A DC
Connection methodScrew connection
Screw threadM2
Tightening torque0.25 Nm
Stripping length7 mm
Conductor cross section flexible min.0.14 mm²
Conductor cross section flexible max.1.5 mm²
Conductor cross section solid min.0.14 mm²
Conductor cross section solid max.1.5 mm²
Conductor cross section AWG28 ... 16

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
Screw threadM5
Tightening torque4.5 Nm
Stripping length16 mm

UL specifications

Maximum continuous operating voltage MCOV (N-G)260 V AC
Mode of protectionN-G
Power distribution system1
Nominal frequency50/60 Hz
Measured limiting voltage MLV (N-G)1490 V
Nominal discharge current In (N-G)20 kA

Datasheet - PDF

Title: Language: Size: Type:
PHOENIX CONTACT-2817974-F-MS 12/FM English 130 Kbytes PHOENIX CONTACT-2817974-F-MS 12/FM

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