VPM320-100 Series Type 2 AC SPD, VOZWEI
SPD according to EN/IEC 61643-11: Type 2
Max. continuous operating voltage Uc: AC 320 V 50/60 Hz
Nominal discharge current In (8/20 μs) : 50 kA
Max. discharge current Imax (8/20 μs): 100 kA
Voltage protection level Up: ≤ 2.0 kV, ≤ 2.3 kV
Application:
The product is a Type 2 low-voltage surge protective device (SPD). It is designed for installation at the boundaries of subsequent protection zones (e.g., LPZ1-2, LPZ2-3) within low-voltage distribution systems. This device protects sensitive equipment by safely discharging the remnant surge currents and transient overvoltages resulting from indirect lightning effects or switching operations.
Featured:
- Nominal discharge current In (8/20 us): 20 kA / 40 kA / 50 kA
- Max. discharge current Imax (8/20 us): 40 kA / 80 kA / 100 kA
- Max. continuous operating voltage Uc: AC 275 V / AC 320 V / AC 385 V
- Selectable circuit protection modes: 2P / 3P / 1N+NPG / 3N+NPG / 4P
- Utilizing high-performance metal oxide varistor (MOV) technology, the device offers high temporary overvoltage (TOV) withstand capability and provides excellent voltage limiting performance
- Modular pluggable anti-loosening structure, enabling simple installation and easy maintenance
Nomenclature:
VP □ □–□/□□
1 2 3 4 5
| SN | Name | Specification, type code |
| 1 | Design code | VP |
| 2 | Product Series | M |
| 3 | Max. continuous operating voltage Uc | 275: AC 275 V; 320: AC 320 V; 385: AC 385 V |
| 4 | Max. discharge current Imax | 40: 40 kA; 80: 80 kA; 100: 100 kA |
| 5 | Protection mode | 2P: 2P; 3P: 3P; 1N+NPG: 1N+NPG; 3N+NPG: 3N+NPG; 4P: 4P |
Example: VPM275-40/3N+NPG → Uc: AC 275 V; Imax: 40 kA; Protection mode: 3N+NPG.
Technical parameters:
| Model | VPM320-100/1N+NPG |
| SPD according to EN/IEC 61643-11 | Type 2 |
| Protection mode | 1+1 Mode |
| Nominal operating voltage Un | AC 230 V 50/60 Hz |
| Max. continuous operating voltage Uc | L-N: AC 320 V 50/60 HzN-PE: AC 255 V 50/60 Hz |
| Nominal discharge current In (8/20 μs) | 50 kA |
| Max. discharge current Imax (8/20 μs) | 100 kA |
| Voltage protection level Up | L-N ≤ 2.0 kV, N-PE ≤ 1.3 kV |
| Leakage current | ≤ 20 μA |
| Response time | L-N ≤ 25 ns, N-PE ≤ 100 ns |
| Max. backup fuse | 250 A gL/gG |
| Cross-sectional area | 6 ~ 35 mm2 |
| Stripping length terminals | 12.5 mm |
| Tightening torque | 3 N·m |
| Normal/Fault Indication | Green/Red |
| Remote signaling mode | RSC: Remote Signal contact, NC-COM-NO contact |
| Performances of remote signal contact | AC: 250 V/0.5 A; DC: 250 V/0.1 A, 125 V/0.2 A, 75 V/0.5 A |
| Remote cross-sectional area | Max. 1.5 mm2 |
| Installation method | 35 mm DIN rail |
| Housing material | UL94-V0 |
| Protection class | IP20 |
| Outline dimensions (without terminal) | 90 mm × 54 mm × 65.5 mm (tolerance ± 1 mm) |
| Module pluggable | / |
| Internal protection device | The lightning protection unit has a built-in thermal trip device |
| Environmental protection characteristics | RoHS |
| Short-circuit withstand capability | 25 kArms |
Selection guide:
| Model | Un | Uc | Up | In | Imax | Protection mode | Operating Principle | Size |
| VPM320-100/3P | AC 230 V | AC 320 V | 2.3 kV | 50 kA | 100 kA | L-PE | Figure 1.5.3 | Figure 1.6.3 |
| VPM320-100/1N+NPG | AC 230 V | AC 320 V | 2.0 kV | 50 kA | 100 kA | L-N & N-PE | Figure 1.5.1 | Figure 1.6.2 |
Operating Principle:
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