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Siemens Vacuum Interrupters: 3 Contacts Included - Replacement Contacts for Siemens Contactors
SiemensReplacement Contacts for Siemens Contactors

Siemens Vacuum Interrupters: 3 Contacts Included

The SIEMENS Vacuum Interrupters (MPN 3RT1976-6V) are replacement contacts designed for use with Siemens 3RT1276 contactors. This set includes three contacts, providing a direct replacement solution for maintaining…

SKU 3G-OTH-39050

Also listed as: 3RT19766V · 3RT1976 6V

Brand
Siemens
Item
Vacuum Interrupters: 3 Contacts Included
Category
Replacement Contacts for Siemens Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT1976-6V
Compatible with Series
3RT1276

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

Product Description

The SIEMENS Vacuum Interrupters (MPN 3RT1976-6V) are replacement contacts designed for use with Siemens 3RT1276 contactors. This set includes three contacts, providing a direct replacement solution for maintaining the switching capability of the compatible series.

Frequently Asked Questions

What is the Siemens 3RT1976-6V vacuum interrupter used for?

The Siemens 3RT1976-6V vacuum interrupter is a replacement contact set for Siemens 3RT1276 contactors. It is used in industrial motor control and power switching applications to restore the switching capability of the contactor by replacing worn or damaged contacts.

What are the specifications of the Siemens 3RT1976-6V?

The Siemens 3RT1976-6V is a vacuum interrupter set that includes three contacts. It is compatible with the Siemens 3RT1276 contactor series. The manufacturer part number is 3RT1976-6V, and it is a direct replacement for maintaining switching performance in Siemens equipment.

Where to buy Siemens 3RT1976-6V vacuum interrupters worldwide?

You can source the Siemens 3RT1976-6V vacuum interrupter from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring you receive genuine Siemens replacement contacts for your 3RT1276 contactor.

How to install Siemens 3RT1976-6V vacuum interrupters?

To install the Siemens 3RT1976-6V vacuum interrupter, first de-energize and lock out the contactor. Remove the old contacts and clean the mounting surfaces. Insert the new Siemens contacts, ensuring proper alignment, and torque the fasteners to the manufacturer's specifications. Verify operation before re-energizing.

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 replacement contacts for siemens contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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