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Siemens Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G, L-L), 552 V AC - Enclosed External-Mount SPDs
SiemensEnclosed External-Mount SPDs

Siemens Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G, L-L), 552 V AC

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
Surge Protection Device: Three Phase, 480V AC Delta, 1800V
Category
Enclosed External-Mount SPDs
Series
L-G
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

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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

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G)/2000V (L-L), 552 V AC, 4X (MPN TPS3F1115D2)
Siemens
SIEMENS Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G)/2000V (L-L), 552 V AC, 4X (MPN TPS3F1115D2)
SIEMENS Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G, L-L), 552 V AC, 4X (MPN TPS3F0910D00)
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SIEMENS Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G, L-L), 552 V AC, 4X (MPN TPS3F0910D00)
SIEMENS Surge Protector: Single Phase, 120/240V, 700V (L-G, L-N, N-G),1200V (L-L), 120/240V, 4X (MPN FSPD060)
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SIEMENS Surge Protector: Single Phase, 120/240V, 700V (L-G, L-N, N-G),1200V (L-L), 120/240V, 4X (MPN FSPD060)
MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07)
MERSEN
MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07)

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