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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 19T302) 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…

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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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
View Full Spec Sheet

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

Product Description

The SIEMENS Surge Protection Device (SKU 19T302) 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.

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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MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07). Key specifications — Voltage: 480V AC Delta; Number of Wires: 4 Wires; Modes of Protection: L-G; Max. Continuing Operating Voltage: 550/1100 V AC; Voltage Protection Rating: 1500V (L-G); Short Circuit Current Rating: 200kA; Filtering: No; Enclosure Material: Polyethylene Terephthalate.
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