VAL-MS 230/FM with Remote alarm contact Surge protection

Type 2 surge arrester - VAL-MS 230/FM - 2839130

Surge voltage arrester consisting of base element with remote indicator contact and ground connector with high-capacity varistor, for mounting on NS 35/7.5, nominal voltage: 230 V AC, 1-channel

Your advantages
- Quality proven millions of times over in the widest range of applications.
- Rapid installation with bridges, thanks to industry-standard overall width of 1 HP.
- Easy testing and insulation measurement, thanks to pluggable protection modules.
- Wide range of applications due to various nominal voltages.
- High degree of modularity provides individual solutions for every application.

Protective circuit
Nominal voltage UN 240/415 V AC (TN)
240/415 V AC (TT)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 275 V AC
Rated load current IL 80 A
Residual current IPE ≤ 0.45 mA
Standby power consumption PC ≤ 120 mVA
Nominal discharge current In (8/20) µs 20 kA
Maximum discharge current Imax (8/20) µs 40 kA
Short-circuit current rating ISCCR 25 kA
Voltage protection level Up ≤ 1.35 kV
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)
TOV behavior at UT 335 V AC (5 s / withstand mode)
440 V AC (120 min / safe failure mode)
Response time tA ≤ 25 ns
Max. backup fuse with V-type through wiring 80 A (gG)
Max. backup fuse with branch wiring 125 A (gG)

Indicator/remote signaling
Switching function Changeover contact
Operating voltage 5 V AC ... 250 V AC
30 V DC
Operating current 5 mA AC ... 1 A AC
1 A DC
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 solid 0.14 mm² ... 1.5 mm²
Conductor cross section AWG 28 ... 16

Connection data
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 solid 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

Download datasheet

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