VAL-MS-T1/T2 48/12.5/1+1V-FM - Lightning/surge arrester type 1/2

2801533

Universal varistor-based plug-in lightning/surge arrester for 48 V DC applications with grounded return conductor (positive pole), without risk assessment for Lightning Protection Levels III and IV, with remote indication contact.

Product type Arrester combination
Product family VALVETRAB MS
IEC test classification I / II
T1 / T2
EN type T1 / T2
IEC power supply system TN-S
Type DIN rail module, two-section, divisible
Number of positions 2
Surge protection fault message Optical, remote indicator contact
Insulation characteristics
Overvoltage category III
Pollution degree 2

Nominal frequency fN 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
125 V DC (200 mA DC)
Operating current 5 mA AC ... 1.5 A AC
1 A DC (30 V DC)

Connection method Screw connection
Screw thread M5
Tightening torque 3 Nm (1.5 mm² ... 16 mm²)
4.5 Nm (25 mm² ... 35 mm²)
Stripping length 16 mm
Conductor cross section flexible 1.5 mm² ... 25 mm²
Conductor cross section rigid 1.5 mm² ... 35 mm²
Conductor cross section AWG 15 ... 2
Connection method Fork-type cable lug
Conductor cross section flexible 1.5 mm² ... 16 mm²
Remote fault indicator contact
Connection method Plug-in/screw connection via COMBICON
Screw thread M2
Tightening torque 0.25 Nm
Stripping length 7 mm
Conductor cross section flexible 0.14 mm² ... 1.5 mm²
Conductor cross section rigid 0.14 mm² ... 1.5 mm²
Conductor cross section AWG 28 ... 16

Dimensional drawing
Width 35.6 mm
Height 96.8 mm
Depth 77.5 mm (incl. DIN rail 7.5 mm)
Horizontal pitch 2 Div.

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

Mechanical data
Open side panel No

Mode of protection L-N
L-PE
N-PE
(L+) - (L-)
(L+) - PE
(L-) - PE
Direction of action L-L / L-PE
Nominal voltage UN 60 V AC ±10 % (TN-S)
60 V DC ±10 %
-48 V DC ±10 % (RRH)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 75 V AC
100 V DC
Rated load current IL 80 A
Residual current IPE ≤ 0.6 mA
Standby power consumption PC ≤ 90.00 mVA
Nominal discharge current In (8/20) µs 12.5 kA
Maximum discharge current Imax (8/20) µs 30 kA
Impulse discharge current (10/350) µs, charge 6.25 As
Impulse discharge current (10/350) µs, specific energy 39 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp 12.5 kA
Total discharge current Itotal (8/20) µs 50 kA
Total discharge current Itotal (10/350) µs 12.5 kA
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up (L-N) ≤ 0.4 kV
Voltage protection level Up (L-PE) ≤ 0.8 kV
Voltage protection level Up (N-PE) ≤ 0.4 kV
Voltage protection level Up (L+) - (L-) ≤ 0.4 kV
Voltage protection level Up (L+) - PE ≤ 0.4 kV
Voltage protection level Up (L-) - PE ≤ 0.8 kV
Residual voltage Ures ≤ 0.4 kV (at In)
≤ 0.35 kV (at 10 kA)
≤ 0.3 kV (at 5 kA)
≤ 0.275 kV (at 4 kA)
≤ 0.25 kV (at 3 kA)
TOV behavior at UT 100 V AC (5 s / withstand mode)
130 V DC (5 s / withstand mode)
Response time tA ≤ 25 ns
Max. backup fuse with V-type through wiring 80 A (gG - 16 mm²)
Max. backup fuse with branch wiring 160 A (gG)