Description
High-Capacity Type 2 DC Surge Protection for EV Charging & Storage
Switchtec DDC50S 21Y 1200 50kA 1200V DC Type 2 PV SPD
Protect sensitive DC installations with the DDC50S-21Y-1200 Type 2 DC power surge protector. Built for 1000 Vdc DC networks (Uc 1200 Vdc), it uses high-energy MOV technology with thermal disconnection to clamp transient overvoltages and help prevent equipment damage.
Designed for Energy storage / EV charging, this pluggable SPD provides In 20 kA and Imax 50 kA discharge capability with a low protection level Up of 3.6 kV. A clear status indicator supports quick visual checks, while remote signalling enables fault monitoring in critical systems.
With DIN-rail mounting, compact modular format, and robust IP20 thermoplastic housing, the DDC50S-21Y-1200 is a practical choice for professional panels where reliable DC surge protection is essential.
Key Features – Switchtec DDC50S 21Y 1200 50kA 1200V DC Type 2 PV SPD
- Type 2 DC surge protector for 1000 Vdc networks (Uc 1200 Vdc)
- Discharge capability: In 20 kA | Imax 50 kA
- Low protection level Up: 3.6 kV
- Pluggable module design for fast replacement
- Remote signalling contact and status indicator
Technical Overview – Switchtec DDC50S 21Y 1200 50kA 1200V DC Type 2 PV SPD
- SPD type: Type 2
- Nominal DC voltage (Un): 1000 Vdc
- Max. DC operating voltage (Uc): 1200 Vdc
- Nominal discharge current (In): 20 kA (8/20 µs)
- Max. discharge current (Imax): 50 kA (8/20 µs)
- Protection level (Up): 3.6 kV
- Mounting: 35 mm DIN rail (EN 60715)
- Protection rating: IP20
- Operating temperature: -40°C to +85°C
- Housing: Thermoplastic UL94 V-0
- Remote signalling: changeover contact
Why Choose This Product?
Choose the Switchtec DDC50S 21Y 1200 50kA 1200V DC Type 2 PV SPD for dependable Type 2 DC surge protection in modern panels. The pluggable design, clear status indication and remote signalling support fast maintenance and safer uptime.
About CITEL
CITEL designs surge protection devices for demanding electrical environments, supporting reliable protection for automation, energy storage, PV and EV charging applications.
Guarantee & Compliance
Manufactured to relevant surge protection standards for DC applications, including prIEC 61643-41, ensuring tested performance and safety.
