Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
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

Brand
Siemens
Item
Vacuum Interrupters: 3 Contacts Included
Category
Replacement Contacts for Siemens Contactors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Siemens
Manufacturer Part Number
3RT1976-6V
Compatible with Series
3RT1276
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SIEMENS Surge Supressor: Surge Supressor, 3RT29161CB00. Key specifications — Manufacturer Part Number: 3RT29161CB00; Brand: SIEMENS; Compatible with Series: 3RT2, S00 Frame Contactors.
Siemens
SIEMENS Surge Supressor: Surge Supressor, 3RT29161CB00. Key specifications — Manufacturer Part Number: 3RT29161CB00; Brand: SIEMENS; Compatible with Series: 3RT2, S00 Frame Contactors.
MI-T-M
MI-T-M
MI-T-M Contactor: Mfr Part # 32-0479, Compatible with Grainger Part # 1RM77/2GXK7/2GXK9/3WB75. Key specifications — Compatible with Manufacturer Model Number: HSE-3504-0M30; Product Type: Contactor; Manufacturer Part Number: 32-0479.
MI-T-M Contactor: Mfr Part # 32-0563, Compatible with Grainger Part # 3WB88. Key specifications — Compatible with Manufacturer Model Number: CA-2503-0E2G-W; Product Type: Contactor; Manufacturer Part Number: 32-0563.
MI-T-M
MI-T-M Contactor: Mfr Part # 32-0563, Compatible with Grainger Part # 3WB88. Key specifications — Compatible with Manufacturer Model Number: CA-2503-0E2G-W; Product Type: Contactor; Manufacturer Part Number: 32-0563.
MI-T-M Contactor, 30A 3-Pole: Mfr Part # 32-0597, Compatible with Grainger Part # 1TDJ7. Key specifications — Compatible with Manufacturer Model Number: HEG Series; Product Type: Contactor; Manufacturer Part Number: 32-0597.
MI-T-M
MI-T-M Contactor, 30A 3-Pole: Mfr Part # 32-0597, Compatible with Grainger Part # 1TDJ7. Key specifications — Compatible with Manufacturer Model Number: HEG Series; Product Type: Contactor; Manufacturer Part Number: 32-0597.
MI-T-M
MI-T-M
MI-T-M Contactor, 45A 24V Coil: Mfr Part # 32-0328, Compatible with Grainger Part # 1TDJ8. Key specifications — Compatible with Manufacturer Model Number: HEG Series; Product Type: Contactor; Manufacturer Part Number: 32-0328.
MI-T-M
MI-T-M
MI-T-M Contactor: Mfr Part # 32-0478, Steel/Brass/Plastic. Key specifications — Compatible with Manufacturer Model Number: JP-3004-0ME3; Product Type: Contactor; Manufacturer Part Number: 32-0478.

More from Siemens

View all Siemens parts →
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1466 (MPN 3RT1966-6D). Key specifications — Compatible with Series: 3RT1466; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1466 (MPN 3RT1966-6D). Key specifications — Compatible with Series: 3RT1466; Brand: SIEMENS.
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1066 (MPN 3RT1966-6A). Key specifications — Compatible with Series: 3RT1066; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1066 (MPN 3RT1966-6A). Key specifications — Compatible with Series: 3RT1066; Brand: SIEMENS.
SIEMENS Vacuum Interrupters: 3 Contacts Included, 3RT1264 (MPN 3RT1964-6V). Key specifications — Compatible with Series: 3RT1264; Brand: SIEMENS.
Siemens
SIEMENS Vacuum Interrupters: 3 Contacts Included, 3RT1264 (MPN 3RT1964-6V). Key specifications — Compatible with Series: 3RT1264; Brand: SIEMENS.
SIEMENS Replacement Contact Kit: 1 Contacts Included, Siemens Multiple Class Contactors (MPN 75GP14). Key specifications — Includes: Movable Contacts; Compatible with Series: Siemens Multiple Class Contactors; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Kit: 1 Contacts Included, Siemens Multiple Class Contactors (MPN 75GP14). Key specifications — Includes: Movable Contacts; Compatible with Series: Siemens Multiple Class Contactors; Brand: SIEMENS.
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1456 (MPN 3RT1956-6D). Key specifications — Compatible with Series: 3RT1456; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1456 (MPN 3RT1956-6D). Key specifications — Compatible with Series: 3RT1456; Brand: SIEMENS.
SIEMENS Replacement Contact Kit: 1 Contacts Included, Siemens Multiple Class Contactors, NEMA Size 4 (MPN 75JG14). Key specifications — Includes: Stationary Contacts; Compatible with Series: Siemens Multiple Class Contactors; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Kit: 1 Contacts Included, Siemens Multiple Class Contactors, NEMA Size 4 (MPN 75JG14). Key specifications — Includes: Stationary Contacts; Compatible with Series: Siemens Multiple Class Contactors; Brand: SIEMENS.
SIEMENS Replacement Contact Kit: 1 Contacts Included, Siemens Multiple Class Contactors, NEMA Size 2 (MPN 75FP14). Key specifications — Includes: Springs; Compatible with Series: Siemens Multiple Class Contactors; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Kit: 1 Contacts Included, Siemens Multiple Class Contactors, NEMA Size 2 (MPN 75FP14). Key specifications — Includes: Springs; Compatible with Series: Siemens Multiple Class Contactors; Brand: SIEMENS.
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1055 (MPN 3RT1955-6A). Key specifications — Compatible with Series: 3RT1055; Brand: SIEMENS.
Siemens
SIEMENS Replacement Contact Pieces: 3 Contacts Included, 3RT1055 (MPN 3RT1955-6A). Key specifications — Compatible with Series: 3RT1055; Brand: SIEMENS.