The store will not work correctly when cookies are disabled.

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Skip to Content

My Account
Create an Account

Toggle Nav

Compare Products

Search

Search

Advanced Search

Contact Us

1 - 877 - 97 TODAY

Mon-Fri:9:00am / 5:00pm CT

Brands
Electronics Components, Power & Connectors
Electrical, Automation & Cables
Mechanical Products & Tools
Relays
IT, Test & Safety Equipment
Electronics Components
Electrical
IT

Home
Electrical, Automation & Cables
Sensor, Relays, Switches and Indicators
Switch
Siemens 3RH21402KF40 Relay

Skip to the end of the images gallery

Skip to the beginning of the images gallery

Siemens 3RH21402KF40 Relay

Siemens 3RH21402KF40 Relay

Siemens 3RH21402KF40 Relay

SKU:siemens-3rh21402kf40

Brand:Siemens

In stock

Technical Information

Product Specifications

$110.69

Qty

Quantity Pricing

1 + $110.69
5 + $108.48
10 + $106.31
25 + $104.18
50 + $102.10
100 + $100.06

COUPLING RELAY 4NO DC 110V SPRING

Siemens 3RH21402KF40 Relay

PRODUCT DETAILS | ALTERNATIVES

$110.69

Please complete your information below to login.

Please complete your information below to creat an account.

First Name

Last Name

Email

Password

Confirm Password

Sign In

Registered Customers

Email

Password

Forgot Your Password?

Create New Account?

Create New Account

First Name

Last Name

Email

Sign Up for Newsletter

Password

Confirm Password

Please type the letters and numbers below

Please type the letters and numbers below

Back

Forgot Password

Please enter your email address below to receive a password reset link.

Email

Please type the letters and numbers below

Please type the letters and numbers below

Back

Details

COUPLING RELAY 4NO DC 110V SPRING

Write Your Own Review

You're reviewing:Siemens 3RH21402KF40 Relay

Your Rating

Quality

1 star 2 stars 3 stars 4 stars 5 stars

Value

1 star 2 stars 3 stars 4 stars 5 stars

Price

1 star 2 stars 3 stars 4 stars 5 stars

Nickname

Summary

Review

Related Products

Phoenix Contact 1452372 Contact

SKU:phoenix-contact-1452372

Brand:Phoenix Contact

Phoenix Contact 1452372 Contact

$1.05

100 in stock

Add to Cart

Schneider Electric BMH1001P27F2A Motor

SKU:schneider-electric-bmh1001p27f2a

Brand:Schneider Electric

Schneider Electric BMH1001P27F2A Motor

$2,087.41

100 in stock

Add to Cart

Phoenix Contact 1542910 Connector

SKU:phoenix-contact-1542910

Brand:Phoenix Contact

Phoenix Contact 1542910 Connector

$39.05

100 in stock

Add to Cart

Phoenix Contact 1625781 Cable

SKU:phoenix-contact-1625781

Brand:Phoenix Contact

Phoenix Contact 1625781 Cable

$318.68

100 in stock

Add to Cart

Siemens 3SE7141-1EG10 Switch

SKU:siemens-3se7141-1eg10

Brand:Siemens

Siemens 3SE7141-1EG10 Switch

$743.27

100 in stock

Add to Cart

Sign Up for Our Newsletter

Get news and offers first.

Email*

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Company

About Us
Help Center
Payment Methods
Shipping Policy
Return Policy

Customer Support

Contact Us
Account
FAQs

My Account

Login/Register
Account Summary
Order Status
View Cart

Shop

Brands

Payment Method

Shipping Carrier

Terms and Conditions | Privacy Policy

Copyright © 2026 TodayComponents.com. All Rights Reserved.

Continue View Cart Compare Products My Wishlist