We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Siemens TPS3F12300XD2 Enclosed External-Mount SPD - Enclosed External-Mount SPDs
SiemensEnclosed External-Mount SPDs

Siemens TPS3F12300XD2 Enclosed External-Mount SPD

The SIEMENS Surge Protection Device (SKU 3G-OTH-21140) is an enclosed external-mount SPD for three-phase systems, featuring a 480V AC Delta voltage rating and a steel enclosure. It includes EMI/RFI filters and offers…

SKU 3G-OTH-21140

Brand
Siemens
Item
TPS3F12300XD2 Enclosed External-Mount SPD
Part Number
TPS3F12300XD2
Category
Enclosed External-Mount SPDs
Available to Order
Also known as:TPS3F12300XD2Siemens
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
TPS3F12300XD2
Type
1800V (L-G, L-L), Steel
AC
552 V
Voltage
480V AC Delta
AC Delta
480V
Includes
EMI/RFI Filters
Enclosure Material
Steel
Voltage Protection Rating
1800V (L-G, L-L)
Max. Surge Current per Mode
150kA (L-G
Max. Continuing Operating Voltage
552 V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Surge Protection Device (SKU 3G-OTH-21140) is an enclosed external-mount SPD for three-phase systems, featuring a 480V AC Delta voltage rating and a steel enclosure. It includes EMI/RFI filters and offers a Voltage Protection Rating of 1800V (L-G, L-L), a Max. Surge Current per Mode of 150kA (L-G), and a Max. Continuing Operating Voltage of 552 V AC.

Frequently Asked Questions

What is the SIEMENS TPS3F12300XD2 surge protection device used for?

The SIEMENS TPS3F12300XD2 is an enclosed external-mount SPD designed to protect three-phase 480V AC Delta electrical systems from transient overvoltages. It is commonly used in industrial and commercial 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 TPS3F12300XD2 surge protector?

This SIEMENS SPD is rated for 480V AC Delta systems with a Max. Continuing Operating Voltage of 552 V AC. It provides a Voltage Protection Rating of 1800V (L-G, L-L) and a Max. Surge Current per Mode of 150kA (L-G). The unit features a steel enclosure and includes EMI/RFI filters.

Where to buy the SIEMENS TPS3F12300XD2 surge protection device worldwide?

You can source the SIEMENS TPS3F12300XD2 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 on this enclosed external-mount SPD.

How to install the SIEMENS TPS3F12300XD2 external-mount SPD?

Installation of the SIEMENS TPS3F12300XD2 should follow the manufacturer's manual and local electrical codes. Typically, mount the steel enclosure securely, connect the three-phase 480V AC Delta lines and ground per the wiring diagram, and verify the Max. Continuing Operating Voltage of 552 V AC is not exceeded. Use a qualified electrician.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
Not sure this is the right part? Photo-identify it

Siemens 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from Siemens

View all Siemens parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first