Replacement plug - VAL-MS 230 ST 2798844

Surge protection connector type 2 with high-capacity varistor for VAL-MS base element, thermal monitoring, visual fault warning. Design: 230 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 ≤ 120 mVA
Nominal discharge current In (8/20) µs 20 kA
Direction of action 1L-N/PE
Nominal voltage UN 240/415 V AC (TN)
240/415 V AC (TT)
Mode of protection L-N
TOV behavior at UT 335 V AC (5 s / withstand mode)
440 V AC (120 min / safe failure mode)
Residual current IPE ≤ 0.45 mA
Maximum continuous voltage UC 275 V AC
Max. backup fuse with branch wiring 125 A (gG)
Short-circuit current rating ISCCR 25 kA
Residual voltage Ures ≤ 1.35 kV (at In)
≤ 1.1 kV (at 10 kA)
≤ 1 kV (at 5 kA)
≤ 0.9 kV (at 3 kA)
Maximum discharge current Imax (8/20) µs 40 kA
Voltage protection level Up ≤ 1.35 kV
Nominal frequency fN 50 Hz (60 Hz)
Response time tA ≤ 25 ns

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) 20 kA
Nominal voltage 230 V AC
Maximum continuous operating voltage MCOV (L-N) 275 V AC
Nominal frequency 50/60 Hz
Measured limiting voltage MLV (L-N) 1910 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. 1.10
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 2798844
Packing unit 10 pc
Minimum order quantity 1 pc
Catalog Page Page 67 (C-4-2019)
GTIN 4017918073947
Weight per Piece (including packing) 41.5 GRM
Weight per Piece (excluding packing) 41.5 GRM
Customs tariff number 85363010
Country of origin DE



UL Recognized


cUL Recognized






cULus Recognized

China RoHS Environmentally Friendly Use Period = 50 years
China RoHS For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”