X-On Electronics has gained recognition as a prominent supplier of 409R2B Knobs & Dials across the USA, India, Europe, Australia, and various other global locations. 409R2B Knobs & Dials are a product manufactured by EHC. We provide cost-effective solutions for Knobs & Dials, ensuring timely deliveries around the world.

409R2B EHC

409R2B electronic component of EHC
409R2B EHC
409R2B Knobs & Dials
409R2B  Electromechanical

Images are for reference only
See Product Specifications
Part No. 409R2B
Manufacturer: EHC
Category: Knobs & Dials
Description: ROUND KNOB, 6.35MM
The 409R2B is a 1950s heritage-style IBM punch card machine.
Datasheet: 409R2B Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 6.778 ea
Line Total: USD 6.78 
Availability - 0
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0
Ship by Fri. 18 Jul to Thu. 24 Jul
MOQ : 1
Multiples : 1
1 : USD 6.778
5 : USD 6.5012
10 : USD 6.4755
20 : USD 6.2347
50 : USD 6.0196

   
Manufacturer
Product Category
Shaft Diameter
Brand
Shaft Type
Knob Material
Knob / Dial Style
Knob Diameter
Product Range
Body Material
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

We are delighted to provide the 409R2B from our Knobs & Dials category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the 409R2B and other electronic components in the Knobs & Dials category and beyond.

Image Part-Description
Stock Image PV-32B-2
ROUND KNOB WITH SIDE INDICATOR, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MS91528-0E1B
ROUND SKIRTED KNOB WITH DOT IND, 3.175MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MS91528-2D2B
ROUND SKIRTED KNOB, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image EH71-4C2S
ROUND KNOB WITH LINE INDICATOR, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image EH711E2S
ROUND SKIRTED KNOB WITH LINE IND, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image EH710NP1S
POINTER ROUND KNOB, 3.175MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image DS125-6-2G
CRANK HANDLE ROUND KNOB, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 409PD2B
POINTER BAR SKIRTED KNOB, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MS91528-2E2B
ROUND SKIRTED KNOB WITH DOT IND, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image MS91528-3R2B
POINTER BAR KNOB, 6.35MM
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Image Part-Description
Stock Image 277A
KNOB
Stock : 1
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 607703
Knobs & Dials Knob Outer Blk 60C 7 in stripped Cable
Stock : 15
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image VCT.32 P-M8X20-C3
Knob; Dia:32mm; M8; 20mm; technopolymer (PP); H:23mm; black
Stock : 50
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image A4123004
Cap; ABS; yellow; push-in; Application: A2523,A2623; Shape: round
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image A4140002
Cap; ABS; red; push-in; Application: A2540,A2640; Shape: round
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image A6016019
Pointer; aluminium; self-adhesive; 16mm; Mounting: on panel
Stock : 1
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image VCT.32 B-M6-C4
Knob; Dia:32mm; M6; 12mm; technopolymer (PP); H:23mm; black
Stock : 1
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image VCT.32 P-M6X40-C6
Knob; Dia:32mm; M6; 40mm; technopolymer (PP); H:23mm; black
Stock : 20
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 3065-E
Knobs & Dials Female Insert Clamping Knob
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image CR-MS-4
KNOB, SOFT TOUCH, SPLINED SHAFT, GRN
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

The EHC 409R2B is a part of the Emerson Climate Technologies (ECT) Enhanced Heat Pump Defrost Control family. It is a Network defrost controller used in heat pumps and related applications, designed to provide optimal defrost while increasing compressor life and improving system performance. The 409R2B is made to support 4 distinct defrost cycles, and is capable of processing input signals from multiple sensors, with one additional output to provide reliable signal information. It offers an array of features, including electronic bypass, narrow pressure bands, temperature compensated operating pressures, self-configuring temperature sensors and intelligent control. It is compatible with a variety of HVAC systems, making it one of the most efficient defrost controllers in the ECT family.

Tariff Desc

3926.90.90 Other articles of plastics and articles of other materials ---Other
58246-1 Crimping Tool by TE – Precision Hand Tool image

Jun 19, 2025
The 58246-1 Crimping Tool by TE Connectivity delivers accurate, repeatable crimps for AMPMODU Mod II contacts. A reliable choice in  Tools & Supplies  and professional  Crimpers / Crimping Tools  worldwide.
HT-301 Crimping Tool by HANLONG – Pro Wire Crimper image

May 28, 2025
HT-301 Crimpers / Crimping Tools by HANLONG feature a ratcheting mechanism, ergonomic grip, and precision jaws for consistent, secure crimps on insulated terminals in various applications.
Revolutionizing Electronic Components Online Shopping Worldwide image

Aug 22, 2024
Discover X-On Electronic Pvt Ltd, a global leader in electronic components online shopping. Offering a vast selection of passive electronic components, basic components, DC-DC isolated converters, audio amplifier ICs, and more, X-On ensures high-quality products at competitive prices. With a user-f
GRM21BR61E106KA73L MLCC Capacitor by Murata image

Jul 4, 2025
GRM21BR61E106KA73L MLCC by Murata offers 10µF, 25V, ±10% in 0805 SMD package. Reliable for decoupling, filtering, and compact power designs in industrial and consumer electronics.

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified