Replacement plug - VAL-MS 350 VF ST 2856595

Surge protection connector type 2 with series connection consisting of varistor and gas-filled spark gap for VAL-MS base element, thermal monitoring, visual fault warning. Design: 350 V AC

Product Details

Ambient conditions
Vibration (operation) 5g (10 ... 500 Hz / 2.5 h / X, Y, Z)
Ambient temperature (operation) -40 °C ... 80 °C
Ambient temperature (storage/transport) -40 °C ... 80 °C
Degree of protection IP20
Shock (operation) 25g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Permissible humidity (operation) 5 % ... 95 %
Altitude ≤ 2000 m (amsl (above mean sea level))

Standby power consumption PC ≤ 2 mVA
Nominal discharge current In (8/20) µs 10 kA
Direction of action 1L-N/PE
Nominal voltage UN 240/415 V AC (TN)
240/415 V AC (TT)
230 V AC (IT)
Mode of protection L-N
TOV behavior at UT 415 V AC (5 s / withstand mode)
440 V AC (120 min / withstand mode)
Residual current IPE ≤ 5 µA
Maximum continuous voltage UC 350 V AC
Max. backup fuse with branch wiring 125 A (gG)
Short-circuit current rating ISCCR 25 kA
Residual voltage Ures ≤ 1.2 kV (at In)
≤ 1.2 kV (at 10 kA)
≤ 1.1 kV (at 5 kA)
Maximum discharge current Imax (8/20) µs 20 kA
Voltage protection level Up ≤ 1.5 kV
Front of wave sparkover voltage at 6 kV (1.2/50) µs ≤ 1.5 kV
Nominal frequency fN 50 Hz (60 Hz)
Response time tA ≤ 100 ns

Note Usable 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)

Nominal frequency fN 50 Hz (60 Hz)

Dimensional drawing
Horizontal pitch 1 Div.
Height 52.4 mm
Width 17.5 mm
Depth 55.3 mm

CTI value of material 600
Color jet black RAL 9005
Housing material PA 6.6
Insulating material PA 6.6
Flammability rating according to UL 94 V-0
Material group I

Mounting type on base element

UL specifications
Power distribution system Single phase
Nominal discharge current In (L-N) 10 kA
Nominal voltage 350 V AC
Maximum continuous operating voltage MCOV (L-N) 350 V AC
Nominal frequency 50/60 Hz
Measured limiting voltage MLV (L-N) 1610 V
SPD Type 4CA
Mode of protection L-N

Connection method pluggable

Standards/specifications IEC 61643-11
EN 61643-11

EN type T2
Surge protection fault message optical
IEC power supply system TN
Arrester can be tested with CHECKMASTER from software version: From SW rev. 1.12
Number of positions 1
Type DIN rail module, two-section, divisible
IEC test classification II
Insulation characteristics
Pollution degree 2
Overvoltage category III

Order Key 2856595
Packing unit 10 pc
Minimum order quantity 1 pc
Catalog Page Page 71 (C-4-2019)
GTIN 4017918876869
Weight per Piece (including packing) 40.9 GRM
Weight per Piece (excluding packing) 37.8 GRM
Customs tariff number 85363010
Country of origin DE



UL Recognized


cUL Recognized





cULus Recognized

China RoHS Environmentally friendly use period: unlimited = EFUP-e
No hazardous substances above threshold values