https://www.phoenixcontact.com/pi/products/2801532
04/30/2017Page3/6
Lightning/surge arrester type 1/2-VAL-MS-T1/T2
48/12.5/1+1V-2801532
Technical data
Protective circuit
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 l
imp
12.5 kA
Total discharge current I
total
(8/20)µs
50 kA
Total discharge current I
total
(10/350)µs
12.5 kA
Short-circuit current rating I
SCCR
25 kA
Voltage protection level U
p
(L-N)
≤ 0.4 kV
Voltage protection level U
p
(L-PE)
≤ 0.8 kV
Voltage protection level U
p
(N-PE)
≤ 0.4 kV
Voltage protection level U
p
(L+) - (L-)
≤ 0.4 kV
Voltage protection level U
p
(L+) - PE
≤ 0.4 kV
Voltage protection level U
p
(L-) - PE
≤ 0.8 kV
Residual voltage U
res
≤ 0.4 kV (at I
n
)
≤ 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 U
T
100 V AC (5 s / withstand mode)
130 V DC (5 s / withstand mode)
Response time t
A
≤ 25 ns
Max. backup fuse with branch wiring 160 A (gG)
Max. backup fuse with V-type through wiring 80 A (gG - 16 mm²)
Additional technical data
Maximum discharge current I
max
(8/20) µs
65 kA
Connection data
Connection method Screw connection
Screw thread M5
Tightening torque 4.5 Nm
Stripping length 16 mm
Conductor cross section flexible 1.5 mm² ... 25 mm²
Conductor cross section solid 1.5 mm² ... 35 mm²
Conductor cross section AWG 15 ... 2
UL specifications
SPD Type 1CA
Maximum continuous operating voltage MCOV (L+) - (L-) 100 V DC
Maximum continuous operating voltage MCOV (L+) - G 100 V DC
Maximum continuous operating voltage MCOV (L-) - G 100 V DC
