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Siemens Surge Protection Device: Three Phase, 120/240V AC High Leg Delta, 150/320 V AC - Enclosed External-Mount SPDs
SiemensEnclosed External-Mount SPDs

Siemens Surge Protection Device: Three Phase, 120/240V AC High Leg Delta, 150/320 V AC

The SIEMENS Surge Protection Device (SKU 19T306) is an enclosed external-mount SPD for three-phase systems, featuring a steel enclosure and a voltage rating of 120/240V AC High Leg Delta. It includes dry contacts and…

SKU 3G-OTH-21107

Brand
Siemens
Item
Surge Protection Device: Three Phase, 120/240V AC High Leg Delta, 150/320 V AC
Category
Enclosed External-Mount SPDs
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Technical Specifications

Siemens
Manufacturer Part Number
TPS3B12300XD2
Type
Steel
AC
150/320 V
Voltage
120/240V AC High Leg Delta
Includes
Dry Contacts
AC High Leg Delta
120/240V
Enclosure Material
Steel
Voltage Protection Rating
700V (N-G)
Max. Surge Current per Mode
N-G
Max. Continuing Operating Voltage
150/320 V AC
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Surge Protection Device (SKU 19T306) is an enclosed external-mount SPD for three-phase systems, featuring a steel enclosure and a voltage rating of 120/240V AC High Leg Delta. It includes dry contacts and has a max. continuing operating voltage of 150/320 V AC, with a voltage protection rating of 700V (N-G) and a max. surge current per mode of N-G.

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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