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Siemens Surge Protection Device: Three Phase, 277/480V, 480V, 20 kA Nominal Discharge Current - Enclosed External-Mount SPDs
SiemensEnclosed External-Mount SPDs

Siemens Surge Protection Device: Three Phase, 277/480V, 480V, 20 kA Nominal Discharge Current

The SIEMENS Surge Protection Device is a three-phase enclosed external-mount SPD (SKU 3G-OTH-21134) with a steel enclosure. It operates at 277/480V and has a Voltage Protection Rating of 480V, with a 20 kA Nominal…

SKU 3G-OTH-21134

Brand
Siemens
Item
Surge Protection Device: Three Phase, 277/480V, 480V, 20 kA Nominal Discharge Current
Category
Enclosed External-Mount SPDs
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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
TPS4E12300XD2
Type
277/480V, 480V, 20 kA Nominal Discharge Current, Steel
Voltage
277/480V
Enclosure Material
Steel
Voltage Protection Rating
480V

Technical Documents

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

Product Description

The SIEMENS Surge Protection Device is a three-phase enclosed external-mount SPD (SKU 3G-OTH-21134) with a steel enclosure. It operates at 277/480V and has a Voltage Protection Rating of 480V, with a 20 kA Nominal Discharge Current (MPN TPS4E12300XD2).

Frequently Asked Questions

What is the SIEMENS TPS4E12300XD2 surge protection device used for?

This three-phase enclosed external-mount SPD protects industrial electrical systems from voltage transients and surges. It is commonly applied in manufacturing plants, commercial buildings, and infrastructure where reliable power quality is critical. 3G Electric supplies this SIEMENS SPD globally.

What are the specifications of the SIEMENS TPS4E12300XD2?

The SIEMENS TPS4E12300XD2 is a three-phase SPD with a voltage rating of 277/480V, a Voltage Protection Rating of 480V, and a 20 kA Nominal Discharge Current. It features a steel enclosure and is designed for external-mount applications. 3G Electric sources this model for worldwide delivery.

Where to buy the SIEMENS TPS4E12300XD2 worldwide?

3G Electric supplies the SIEMENS TPS4E12300XD2 surge protection device to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this three-phase SPD with steel enclosure.

How to install a SIEMENS TPS4E12300XD2 external-mount SPD?

Installation should follow the manufacturer's manual and local electrical codes. Typically, mount the steel enclosure securely, connect the three-phase 277/480V supply lines to the designated terminals, and ensure proper grounding. 3G Electric provides sourcing support but recommends a licensed electrician for installation.

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)
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SIEMENS Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G)/2000V (L-L), 552 V AC, 4X (MPN TPS3F1115D2)
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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 Protector: Single Phase, 120/240V, 700V (L-G, L-N, N-G),1200V (L-L), 120/240V, 4X (MPN FSPD060)
EATON Surge Protection Device: Three Phase, 277/480V AC Wye, 1200V (L-N)/2000V (L-L), 277/480 V (MPN SP1-480Y)
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EATON Surge Protection Device: Three Phase, 277/480V AC Wye, 1200V (L-N)/2000V (L-L), 277/480 V (MPN SP1-480Y)

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SIEMENS Surge Protection Device: Three Phase, 480V AC Delta, 1800V (L-G, L-L), 552 V AC, Steel (MPN TPS3F12300XD2)
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