Product Catalog · 2.68 MB
VPM750-40 Series Type 2 AC SPD
The VPM750-40 is a high-voltage Type 2 AC SPD designed for specialized secondary power protection. With a Uc of 750V AC, it handles a nominal discharge current (In) of 20 kA and Imax of 40 kA (8/20 μs). Featuring Up ≤ 4.0 kV, it is fully EN/IEC 61643-11 compliant. Ideal for demanding industrial and renewable energy systems requiring elevated voltage tolerance.
Highlights
- High-voltage Type 2 protection supporting up to 750V AC
- Low voltage protection level Up ≤ 4.0kV
- Handles a nominal 20kA In with 40kA Imax (8/20 μs)
- Pluggable modular design with thermal disconnection and remote signaling
Product Information
- Type: Type 2 AC surge protective device
- Maximum continuous operating voltage (Uc): 750V AC
- Nominal discharge current (In): 20kA (8/20 μs)
- Maximum discharge current (Imax): 40kA (8/20 μs)
- Voltage protection level (Up): ≤ 4.0kV
- Standard Compliance: EN/IEC 61643-11
- High-voltage Type 2 protection for demanding industrial and renewable energy systems
- High-performance MOV technology with excellent voltage limiting performance
- Modular pluggable design with thermal disconnection, fault indication and remote signaling
Application:
This surge protective device (SPD) offers robust performance in diverse grid conditions and is specifically designed for application within new energy systems, including wind power, photovoltaic installations, and EV charging infrastructure. It is engineered for installation at key internal nodes such as converters, inverters, combiner boxes, grid-connection cabinets, and charging piles (typically within LPZ1 to LPZ2 zones). Its purpose is to protect sensitive electrical equipment from damage caused by induced transient overvoltages and switching surges.
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 |
750: AC 750 V; 1000: AC 1000 V |
|
4 |
Max. discharge current Imax |
40: 40 kA; 50: 50 kA; 100: 100 kA |
|
5 |
Protection mode |
3P: 3P; 4P: 4P; 3P+1P: 3P+1P; 3N+NPG: 3N+NPG |
Example: VPM1000-40/3P → Uc: AC 1000 V; Imax: 40 kA; Protection mode: 3P.
Technical parameters:
|
Model |
VPM750-40/4P |
|
SPD according to EN/IEC 61643-11 |
Type 2 |
|
Protection mode |
4+0 mode |
|
Nominal operating voltage Un |
AC 690 V 50/60 Hz |
|
Max. continuous operating voltage Uc |
AC 750 V 50/60 Hz |
|
Nominal discharge current In(8/20 μs) |
20 kA |
|
Max. discharge current Imax(8/20 μs) |
40 kA |
|
Voltage protection level Up |
≤ 3.0 kV |
|
Leakage current |
≤ 20 μA |
|
Response time |
≤ 25 ns |
|
Max. backup fuse |
80 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) |
90.0 mm × 72.0 mm × 65.0 mm (tolerance ± 1 mm) |
|
Module pluggable |
Pluggable |
|
Internal protection device |
The lightning protection unit has a built-in thermal trip device |
Selection guide:
|
Un |
Uc |
Up |
In |
Imax |
Protection mode |
Operating Principle |
Size |
|
|
VPM750-40/3P |
AC 690 V |
AC 750 V |
3.0 kV |
20 kA |
40 kA |
L-PE |
Figure 1.7.1 |
Figure 1.8.1 |
|
VPM750-40/4P |
AC 690 V |
AC 750 V |
3.0 kV |
20 kA |
40 kA |
L-PE |
Figure 1.7.2 |
Figure 1.8.2 |
|
VPM750-40/3P+1P |
AC 690 V |
AC 750 V |
3.0 kV |
20 kA |
40 kA |
L-PE |
Figure 1.7.3 |
Figure 1.8.3 |
|
VPM750-40/3N+NPG |
AC 690 V |
AC 750 V |
4.0 kV |
20 kA |
40 kA |
L-PE |
Figure 1.7.4 |
Figure1.8.4 |
Operating Principle:






| File name | Type | Size | Actions |
|---|---|---|---|
| VOZWEI-SPD-Catalog.pdf | Product Catalog | 2.68 MB |
Q: What is the VPM750-40 Series?
A: It is a high-voltage Type 2 AC SPD for demanding industrial and renewable energy systems requiring elevated voltage tolerance.
Q: What is its maximum continuous operating voltage?
A: It features a maximum continuous operating voltage (Uc) of 750V AC.
Q: What are the discharge current ratings?
A: It handles a nominal discharge current (In) of 20kA and a maximum discharge current (Imax) of 40kA (8/20 μs).
Q: What is its voltage protection level?
A: It features a voltage protection level (Up) of ≤ 4.0kV.
Q: What standard does it comply with?
A: It is fully compliant with the EN/IEC 61643-11 international standard.
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