Siemens Surge Protection Device: Three Phase, 120/208V AC Wye, 1200V (L-L)/700V (L-G
The SIEMENS Surge Protection Device is a three-phase enclosed external-mount SPD (SKU 19T304, MPN TPS3C12300XD2) rated for 120/208V AC Wye systems. It features a steel enclosure, EMI/RFI filters, a maximum continuing…
SKU 3G-OTH-21063
Need installation or engineering help?
Ask a question
Product Description
The SIEMENS Surge Protection Device is a three-phase enclosed external-mount SPD (SKU 19T304, MPN TPS3C12300XD2) rated for 120/208V AC Wye systems. It features a steel enclosure, EMI/RFI filters, a maximum continuing operating voltage of 150 V AC, a voltage protection rating of 1200V (L-L), and a maximum surge current per mode of 150kA (L-G).
Frequently Asked Questions
What is the SIEMENS TPS3C12300XD2 surge protection device used for?
The SIEMENS TPS3C12300XD2 is an enclosed external-mount SPD designed to protect three-phase 120/208V AC Wye electrical systems from transient overvoltages. It is commonly used in commercial and industrial facilities to safeguard sensitive equipment against lightning strikes and switching surges, with EMI/RFI filtering for cleaner power.
What are the specifications of the SIEMENS TPS3C12300XD2?
The SIEMENS TPS3C12300XD2 is rated for 120/208V AC Wye systems with a maximum continuing operating voltage of 150 V AC. It offers a voltage protection rating of 1200V (L-L) and 700V (L-G, L-N, N-G), a maximum surge current per mode of 150kA (L-G), and includes EMI/RFI filters in a steel enclosure.
Where to buy the SIEMENS TPS3C12300XD2 worldwide?
You can source the SIEMENS TPS3C12300XD2 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine SIEMENS surge protection devices to procurement teams and engineers globally.
How to select the right SIEMENS surge protection device for a 120/208V Wye system?
To select the correct SIEMENS SPD for a 120/208V AC Wye system, verify the system voltage matches the device's rating and confirm the voltage protection rating (VPR) meets your equipment's tolerance. The TPS3C12300XD2 provides 1200V (L-L) protection with 150kA surge capacity per mode. Consult a licensed electrician for proper sizing and installation per local codes.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens enclosed external-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













