VOZWEI-SPD-Catalog.pdf
Product Catalog · 2.68 MB
VPD48-40 Series Type 2 DC SPD
The VPD48-40 is a professional Type 2 DC SPD designed for low-voltage power systems. With a Uc of 85V DC, it handles a nominal discharge current (In) of 20 kA and a max capacity (Imax) of 40 kA (8/20 μs). Featuring a low Up ≤ 0.6 kV, it provides precise safety for sensitive equipment. Fully EN/IEC 61643-11 compliant and ideal for telecom and DC power circuits.
Highlights
- Low-voltage Type 2 protection for telecom and DC power circuits
- Very low voltage protection level Up ≤ 0.6kV for precise safety
- Selectable protection modes: 1P and 2P
- Pluggable modular design with thermal disconnection and remote signaling
Product Information
- Type: Type 2 DC surge protective device
- Nominal operating voltage (Un): DC 48V
- Maximum continuous operating voltage (Uc): DC 85V
- Nominal discharge current (In): 20kA (8/20 μs)
- Maximum discharge current (Imax): 40kA (8/20 μs)
- Voltage protection level (Up): ≤ 0.6kV
- Protection modes: 1P / 2P
- Standard Compliance: EN/IEC 61643-11
- Low-voltage Type 2 protection for telecom and DC power circuits
- Modular pluggable design with thermal disconnection, fault indication and remote signaling
Application:
The product is safe and reliable, with strong grid adaptability. It provides protection between lines and between lines and protective earth (PE) for various DC voltage system ports, effectively safeguarding sensitive electrical equipment against damage caused by direct lightning strikes or induced transient overvoltages.
Nomenclature:
VP □ □–□/□□
1 2 3 4 5
|
SN |
Name |
Specification, type code |
|
1 |
Design code |
VP |
|
2 |
Product Series |
D |
|
3 |
Nominal operating voltage Un |
48: DC 48 V |
|
4 |
Max. discharge current Imax |
40: 40 kA; |
|
5 |
Protection mode |
1P: 1P; 2P: 2P |
Example: VPD48-40/2P → Un: DC 48 V; Imax: 40 kA; Protection mode: 2P.
Technical parameters:
|
Model |
|
|
SPD according to EN/IEC 61643-11 |
Type 2 |
|
V+-PE & V--PE |
|
|
Nominal operating voltage Un |
DC 48 V |
|
Max. continuous operating voltage Uc |
DC 85 V |
|
Nominal discharge current In (8/20 μs) |
20 kA |
|
Max. discharge current Imax (8/20 μs) |
40 kA |
|
Voltage protection level Up |
≤ 0.6 kV |
|
Leakage current |
≤ 20 μA |
|
Response time |
≤ 25 ns |
|
Cross-sectional area |
6 ~ 25 mm2 |
|
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 |
Selection guide:
|
Model |
Un |
Uc |
Up |
In |
Imax |
Protection mode |
Operating Principle |
Size |
|
VPD48-40/1P |
DC 48 V |
DC 85 V |
0.6 kV |
20 kA |
40 kA |
V+/V--PE |
Figure 2.1.1 |
Figure 2.2.1 |
|
VPD48-40/2P |
DC 48 V |
DC 85 V |
0.6 kV |
20 kA |
40 kA |
V+-PE & V--PE |
Figure 2.1.2 |
Figure 2.2.2 |
Operating Principle:
| File name | Type | Size | Actions |
|---|---|---|---|
| VOZWEI-SPD-Catalog.pdf | Product Catalog | 2.68 MB |
Q: What is the VPD48-40 Series?
A: It is a professional Type 2 DC surge protective device (SPD) designed for low-voltage DC power systems.
Q: What is its maximum continuous operating voltage?
A: It features a nominal operating voltage (Un) of DC 48V and a maximum continuous operating voltage (Uc) of DC 85V.
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 protection modes are available?
A: It offers selectable protection modes of 1P and 2P.
Q: What applications is it ideal for?
A: It is ideal for telecom and DC power circuits requiring precise safety for sensitive equipment.
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