Siemens Surge Protection Device: Single Phase, 120/240V AC, 1200V (L-L)/700V (L-G
The SIEMENS Surge Protection Device is a single-phase enclosed external-mount SPD (SKU 3G-OTH-21087, MPN TPS3A12300XD2) with a steel enclosure. It operates at 120/240V AC, has a max. continuing operating voltage of…
SKU 3G-OTH-21087
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS Surge Protection Device is a single-phase enclosed external-mount SPD (SKU 3G-OTH-21087, MPN TPS3A12300XD2) with a steel enclosure. It operates at 120/240V AC, has a max. continuing operating voltage of 150 V AC, and provides a voltage protection rating of 1200V (L-L) with a max. surge current per mode of 150kA (L-G). The unit includes dry contacts.
Frequently Asked Questions
What is the SIEMENS TPS3A12300XD2 surge protection device used for?
The SIEMENS TPS3A12300XD2 is an enclosed external-mount SPD designed to protect single-phase 120/240V AC 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 a voltage protection rating of 1200V (L-L) and 150kA surge current capacity per mode.
What are the specifications of the SIEMENS TPS3A12300XD2 surge protector?
The SIEMENS TPS3A12300XD2 is a single-phase SPD rated for 120/240V AC with a max. 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), with a max. surge current per mode of 150kA (L-G). The unit features a steel enclosure and includes dry contacts for remote monitoring.
Where to buy the SIEMENS TPS3A12300XD2 surge protection device worldwide?
You can source the SIEMENS TPS3A12300XD2 surge protection device 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 provide this Siemens-branded SPD to procurement teams and plant engineers internationally.
How to install the SIEMENS TPS3A12300XD2 surge protection device?
Install the SIEMENS TPS3A12300XD2 as an external-mount SPD by connecting it to the load side of the main breaker in a single-phase 120/240V AC panel. Follow NEC guidelines for SPD installation, ensuring proper grounding and bonding. The dry contacts allow integration with alarm systems. Always de-energize the circuit before installation and consult a qualified electrician.
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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.
