Your Cart 0 items

Your cart is empty.

Browse Products →
Call Us
Sale

Worldwide shipping services

T&Cs apply

Global Supply Network

User-Friendly Platform

Expert Technical Support

24/7 Support

Secured Transactions

SSL & Stripe encrypted

3RH2140-1BB408K
Click to zoom
3RH2140-1BB408K
Order on Whatsapp Schneider Electric Product Selector tool
SIEMENS
(No reviews yet)

3RH2140-1BB408K - Contactor relay 4 NO 24 V DC Size S00 screw terminal - siemens

Cat No. 3RH2140-1BB408K
Category Auxiliary Contactors
Stock In Stock
Condition Brand New, Sealed Packaging
Product Type Auxiliary Contactors
Please contact us for the exact delivery timeline

In Stock — 15 Qty

$46.45
Quantity Expected Delivery
15 Units 25 Business Days

Reach out to us for project inquiries, Add to cart and click on send inquiry

Currently viewed by 22 users
Secure Payment with
Visa, MasterCard, American Express, Apple Pay, Discover, PayPal, Stripe
Need help on Inquiry? Call Us on +1 (888) 293-7436
Warranty Guarantee
100% Original Products
EEE Buyer Protection
World-Wide Reach

Technical Documents

No Data Available

There is no data to show you right now.

Technical Specification

SIEMENS 3RH2140-1BB408K Auxiliary Contactors Technical Specification

Auxiliary Contactors
Auxiliary Contact 4NO
Coil Voltage 24Vdc
Model 3RH2

Product Details

Siemens 3RH2140-1BB408K - Contactor relay, 4 NO, 24 V DC, Size S00, screw terminal. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Product Dimensions

SIEMENS 3RH2140-1BB408K dimensions and weight

Dimensions (L × W × H)
Length 6.25 cm
Width 7.69 cm
Height 7.69 cm
Weight
Net Weight 0.5 kg

Dimensions are approximate. For precise dimensional drawings, contact us.

Related Products

CA2KN22B7

CA2KN22B7 - TeSys K control relay - 2 NO + 2 NC - 690 V - 24 V AC coil - Schneider Electri..

CA2KN22B7

Cat No: CA2KN22B7 In Stock: 328 Units expedited delivery
$35.27
CA2KN22F7

CA2KN22F7 - TeSys K control relay - 2 NO + 2 NC - 690 V - 110 V AC coil - Schneider Electr..

CA2KN22F7

Cat No: CA2KN22F7 In Stock: 532 Units expedited delivery
$39.30
CA2KN22M7

CA2KN22M7 - TeSys K control relay - 2 NO + 2 NC - 690 V - 220...230 V AC coil - Schneider..

CA2KN22M7

Cat No: CA2KN22M7 In Stock: 569 Units expedited delivery
$39.30
CA2KN22N7

CA2KN22N7 - Control relay, TeSys K, 2 NO + 2 NC, lt or eq to 690V, 400 to 415VAC coil - Sc..

CA2KN22N7

Cat No: CA2KN22N7 In Stock: 103 Units expedited delivery
$39.30
CA2KN31F7

CA2KN31F7 - TeSys K control relay - 3 NO + 1 NC - 690 V - 110 V AC coil - Schneider Electr..

CA2KN31F7

Cat No: CA2KN31F7 In Stock: 526 Units expedited delivery
$39.30
CA2KN31M7

CA2KN31M7 - TeSys K control relay - 3 NO + 1 NC - 690 V - 220...230 V AC coil - Schneider..

CA2KN31M7

Cat No: CA2KN31M7 In Stock: 777 Units expedited delivery
$39.30
CA2KN40B7

CA2KN40B7 - TeSys K control relay - 4 NO - 690 V - 24 V AC coil - Schneider Electric

CA2KN40B7

Cat No: CA2KN40B7 In Stock: 240 Units expedited delivery
$39.30
CA2KN31B7

CA2KN31B7 - TeSys K control relay - 3 NO + 1 NC -

CA2KN31B7

Cat No: CA2KN31B7 In Stock: 151 Units expedited delivery
$39.30

Frequently Bought Together

No Data Available

There is no data to show you right now.

Product Line Card

No Data Available

There is no data to show you right now.

Alternate Products

CA2KN40N7

CA2KN40N7 - TeSys K control relay - 4 NO - 690 V - 400...415 V AC coil - Schneider Electri..

CA2KN40N7

Cat No: CA2KN40N7 In Stock: 86 Units expedited delivery
$46.86
1SBH141001R8831

1SBH141001R8831 - AUX CONTACTOR ABB 3NO+1NC N 31E 230 - 240V AC - ABB

1SBH141001R8831

Cat No: 1SBH141001R8831 In Stock: 1 Units expedited delivery
$46.03
DILER-40(79711)

Eaton DILER-40(79711) - 4P 4NO-Aux. Contact 12Vdc DILER Mini Auxiliary Contactor

DILER-40(79711)

Cat No: 79711 Back Ordered expedited delivery
$45.93
DILER-40(10223)

Eaton DILER-40(10223) - 4P 4NO-Aux. Contact 24Vdc DILER Mini Auxiliary Contactor

DILER-40(10223)

Cat No: 10223 In Stock: 9 Units expedited delivery
$45.93
DILER-40(10255)

Eaton DILER-40(10255) - 4P 4NO-Aux. Contact 48Vdc DILER Mini Auxiliary Contactor

DILER-40(10255)

Cat No: 10255 Back Ordered expedited delivery
$45.93
DILER-40(10287)

Eaton DILER-40(10287) - 4P 4NO-Aux. Contact 110Vdc DILER Mini Auxiliary Contactor

DILER-40(10287)

Cat No: 10287 Back Ordered expedited delivery
$45.93
DILER-40(10303)

Eaton DILER-40(10303) - 4P 4NO-Aux. Contact 220Vdc DILER Mini Auxiliary Contactor

DILER-40(10303)

Cat No: 10303 Back Ordered expedited delivery
$45.93
DILER-31(79761)

Eaton DILER-31(79761) - 4P 3NO+1NC-Aux. Contact 12Vdc DILER Mini Auxiliary Contactor

DILER-31(79761)

Cat No: 79761 Back Ordered expedited delivery
$45.93

Product Overview

Siemens 3RH2140-1BB408K - Contactor relay, 4 NO, 24 V DC, Size S00, screw terminal. We are dedicatedly involved in providing an excellent quality products at Electrihub.

Frequently Asked Questions for 3RH2140-1BB408K

The Siemens 3RH2140-1BB408K auxiliary contactor provides reliable auxiliary switching for control circuits, offering high mechanical endurance, low power consumption coils, compact modular design, and compatibility with Siemens motor starters and control devices.
It is used in control panels, automation systems, MCC panels, interlocking circuits, signalling applications, and auxiliary feedback switching for contactors and breakers.
It provides additional NO/NC contacts used for signalling, interlocking, status indication, and logic control functions, improving circuit flexibility and automation reliability.
Check the coil voltage, number of contacts required, mounting style, compatibility with the main contactor or relay, and control voltage specifications.
Ensure correct DIN rail or panel mounting, verify coil voltage, connect control wiring as per Siemens diagrams, and confirm proper terminal tightening for reliable operation.
Pricing varies depending on the contact configuration and coil rating. Visit Electrihub for updated Siemens auxiliary contactor pricing and stock details.
The official Siemens datasheet for 3RH2140-1BB408K is available on Electrihub, including wiring diagrams, technical data, and installation information.
The price of SIEMENS 3RH2140-1BB408K Auxiliary Contactors depends on specifications, availability, and market conditions. You can check the latest GST-inclusive price on Electrihub India, which provides genuine products, transparent billing, and PAN India delivery.
Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.
Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.
Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.

Reviews & Ratings

4.5
6 reviews
5
3
4
3
3
0
2
0
1
0
Sachin Chawla Jul 23, 2026

Tested the 3RH2140-1BB408K on load. Typical SIEMENS reliability and zero coil chatter. RAS Electrihub customer support was also very helpful in confirming stock availability.

Rakesh Bansal Jul 23, 2026

Finding genuine SIEMENS components at a good price is tough, but RAS Electrihub provided best B2B pricing for 3RH2140-1BB408K. Highly recommended for panel builders.

Arjun T. Nov 26, 2025

SIEMENS 3RH2140-1BB408K auxiliary contactor ensures optimal control circuit performance and compliance in UK operations.

Akash J. Nov 26, 2025

Professional grade, highly dependable.

Jessica T. Nov 26, 2025

Outstanding reliability and switching capability of SIEMENS 3RH2140-1BB408K auxiliary contactor across Canada applications.

Divya B. Nov 26, 2025

High-quality materials ensuring long service life and durability.

Related Categories

Contactors and Contactor Relays Auxiliary Contactors Capacitor duty contactor Earth Leakage Relay Motor Management Accessories Motor Protection Relay Motor Starter MPCB MPCB Accessories Over Load Relay Overload Relays Accessories Power Contactor Power Contactor Accessories Protective Relays Protective Relays Accessories

Tags

# SIEMENS # 3RH2140-1BB408K # Auxiliary # Contactor # 10A # Auxiliary # Contactor # 3RH2 # 4NO # Coil # Voltage # 24Vdc # electrihub # electrical-supplies # electrical-supply-store
Subscribe to our Newsletter