• Honeywell 621-4350 Input Module
  • Honeywell 621-4350 Input Module
  • Honeywell 621-4350 Input Module
  • Honeywell 621-4350 Input Module
Honeywell 621-4350 Input Module Product Overview: The Honeywell 621-4350 is an Input Module designed for use in industrial automation and control systems. It plays a crucial role in gathering data from ……
Honeywell 621-4350 Input Module
  • Honeywell
  • 621-4350
  • Input Module
  • USA
  • 118 x 47 x 94mm
  • 0.25 kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
  • 3

Our advantage

Honeywell 621-4350 Input Module

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Honeywell 621-4350 Input Module

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Honeywell 621-4350 Input Module

24-hour service

We provide 7*24 hours service to our customers. We will be there whenever you need us.

Honeywell 621-4350 Input Module

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


Company Information
E-mail [email protected]
Mobile +8613620394314
Whatsapp +8613620394314
WeChat 13620394314
Add Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Honeywell 621-4350 Input Module

Product Overview:

The Honeywell 621-4350 is an Input Module designed for use in industrial automation and control systems. It plays a crucial role in gathering data from field devices and sending it to a central controller for analysis, enabling accurate decision-making and process control. The 621-4350 Input Module is known for its versatility and compatibility, providing reliable performance in harsh industrial environments.

This module is part of Honeywell’s advanced control solutions designed to ensure seamless communication between field devices and control systems, ensuring safety, reliability, and efficient operation. With a robust design, the 621-4350 Input Module is a vital component for industries where precision data acquisition is essential for process optimization.

Product Features:

  • High-Precision Data Input: The module converts signals from analog or digital field devices into standardized signals for use in process control systems.

  • Versatile Compatibility: Compatible with a wide range of industrial automation systems and equipment, making it easy to integrate into existing setups.

  • Enhanced Signal Processing: Provides accurate data conversion with minimal signal loss or distortion, improving the overall reliability of the system.

  • Compact Design: With its small footprint, the module can be easily installed in tight spaces, making it ideal for systems with limited installation space.

  • Durable Construction: Built to withstand harsh industrial environments, ensuring consistent operation in challenging conditions.

  • Quick Installation: Easy to install and integrate with minimal setup time, providing operational efficiency.

Product Applications:

  • Industrial Automation Systems: Used in control systems for manufacturing, chemical processing, and other industrial environments where real-time data acquisition is needed.

  • Building Automation Systems: Helps in monitoring and controlling environmental factors such as temperature, humidity, and pressure.

  • Energy Management Systems: Ideal for energy measurement and management in power plants and substations.

  • Oil & Gas Industry: The module is used in oil rigs, refineries, and pipelines for continuous monitoring and control of various processes.

  • Pharmaceutical and Food Processing: Used in environments where precision and compliance with regulations are critical, such as in pharmaceutical manufacturing and food production lines.

Product Advantages:

  • Precision and Accuracy: Ensures that the data collected is highly accurate, which is crucial for precise control and monitoring in industrial processes.

  • Durable and Reliable: Built with industrial-grade materials to withstand extreme conditions, ensuring long-term reliability and minimal maintenance.

  • Easy Integration: Can be seamlessly integrated with Honeywell and other third-party control systems, making it a flexible option for various industrial needs.

  • Cost-Effective: Provides high-quality performance at a reasonable price, offering an excellent balance of performance and cost.

  • Compact and Lightweight: Its compact size (118 x 47 x 94 mm) and lightweight design (0.25 kg) allow for easy installation, even in confined spaces.

  • Wide Compatibility: Compatible with a range of I/O systems and communication protocols, increasing its adaptability for different industrial applications.

Brand Information:

  • Brand: Honeywell is a globally recognized leader in industrial automation, control systems, and safety technologies. The brand is known for offering cutting-edge solutions that improve operational efficiency, safety, and reliability across multiple industries.

  • Series: The 621 series is designed for industrial automation and control systems, providing high-quality, reliable I/O modules for seamless communication between field devices and control systems.


Product Parameters:

Parameter Value
Model 621-4350 Input Module
Dimensions (W x H x D) 118 mm x 47 mm x 94 mm
Weight 0.25 kg
Input Type Analog, Digital
Input Range 0 to 10V DC, 4 to 20mA
Input Impedance 250 kΩ
Operating Temperature -10°C to +60°C
Storage Temperature -40°C to +85°C
Humidity Range 5% to 95% non-condensing
Power Supply 24V DC
Certification CE, UL, RoHS
Mounting DIN Rail or Panel Mounting
Signal Output Standardized Output to Control Systems

Related Models within Honeywell’s 621 Series:

Model Features Weight Dimensions
621-4300 Analog Input Module with multiple input channels 0.3 kg 118 x 47 x 94 mm
621-4320 High-Precision Digital Input Module 0.27 kg 118 x 47 x 94 mm
621-4400 High-Speed Analog Input Module 0.29 kg 118 x 47 x 94 mm
621-4370 Universal I/O Module with temperature compensation 0.31 kg 118 x 47 x 94 mm
621-4310 Differential Input Module for high-accuracy measurements 0.32 kg 118 x 47 x 94 mm
621-4390 Expanded Input Module with advanced filtering 0.34 kg 118 x 47 x 94 mm

Popular Models from Honeywell:

Model No. Category Key Features Compatibility Similar To
2MLF-AD8A Analog Input Module 8-channel, 4-20mA/0-10V input Honeywell PLCs 2MLF-AD16A (compact)
2MLF-DA16A Analog Output Module 16-channel, 4-20mA/0-10V output Honeywell Experion 2MLF-AD16A (output ver.)
2MLF-AD32A High-Density Analog Input 32-channel, isolated inputs Honeywell DCS 2MLF-AD16A (expanded)
2MLF-AD16B Enhanced Analog Input 16-channel, HART protocol support Honeywell Safety Manager 2MLF-AD16A (upgraded)
2MLF-AD16A-1 Analog Input with Diagnostics 16-channel, fault detection Honeywell TDC 3000 2MLF-AD16A (with diagnostics)
2MLF-MIX16A Mixed I/O Module 8AI/8AO, configurable channels Universal 2MLF-AD16A (flexible)


FAQ (Frequently Asked Questions):

  1. Q: What is the primary function of the Honeywell 621-4350?
    A: The 621-4350 is an input module designed to convert signals from field devices into standardized signals for use in process control systems.

  2. Q: What types of signals can the Honeywell 621-4350 handle?
    A: The module handles both analog (0-10V DC, 4-20mA) and digital signals.

  3. Q: What is the weight of the Honeywell 621-4350 module?
    A: The module weighs 0.25 kg.

  4. Q: What are the dimensions of the Honeywell 621-4350?
    A: The dimensions are 118 mm x 47 mm x 94 mm.

  5. Q: How is the Honeywell 621-4350 powered?
    A: The module operates on a 24V DC power supply.

  6. Q: What is the operating temperature range for the 621-4350?
    A: The operating temperature range is -10°C to +60°C.

  7. Q: Can the Honeywell 621-4350 be used in outdoor environments?
    A: The module is designed for indoor use and should be installed in a controlled environment with temperatures between -10°C to +60°C.

  8. Q: Does the Honeywell 621-4350 require special tools for installation?
    A: The module can be mounted using DIN rail or panel mounting, and no special tools are required.

  9. Q: Is the 621-4350 module compatible with other Honeywell control systems?
    A: Yes, the module is fully compatible with Honeywell control systems and other industrial automation setups.

  10. Q: What certifications does the Honeywell 621-4350 have?
    A: The module is certified with CE, UL, and RoHS compliance.


Honeywell 621-4350 Input Module

Authenticity guarantee

All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.

Honeywell 621-4350 Input Module

Free warehouse

We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.

Honeywell 621-4350 Input Module

Technical Team

Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.

Honeywell 621-4350 Input Module

Thoughtful after-sales service

24-hour after-sales service guarantee team, professional and standardized management service system.


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