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Express Systems is an Authorized Premier Distributor for Moxa Industrial Networking Devices. We are their Largest Stocking Distributor and are also MTSC Certified. Our goals are based on the belief that satisfaction is gained primarily through quality products. Moxa products are innovative, groundbreaking and industry leading in the field of high quality communication products.

We will always have the BEST Price and Availability. Just Ask!

Moxa Technologies was founded in 1987 by five high school classmates who started a consulting business to set up serial communications applications. The expertise they acquired led to the design and manufacture of MOXA multiport serial boards, which are now world renowned for providing high quality data transmission at one of the best cost/performance ratios in the industry.

  • Moxa Network Security Appliance

    Moxa's Network Security Appliance is designed to protect your critical industrial assets from industrial cybersecurity threats with OT-IT integrated cybersecurity technologies such as OT-centric Deep Packet Inspection (DPI).
  • Moxa Ethernet Switches

    Moxa provides a wide range of industrial Ethernet switches that feature industrial-grade reliability, network redundancy, strengthened security, easy management, and competitive price-to-performance ratios. Our comprehensive portfolio includes unmanaged switches, managed switches, PoE switches, rackmount switches, and switches designed for use in the rail industry that meet parts of the EN 50155 standard.
  • Moxa Industrial Wireless

    Moxa's industrial IEEE 802.11n wireless AP/bridge/client products are designed to overcome the challenges of harsh industrial environments. High electromagnetic immunity protects against electromagnetic disturbances, galvanic isolation guards against voltage instability, and wide-temperature ranges and shock and vibration resistance ensure reliable operation even in difficult environments. PoE Patent Marking
  • Moxa Industrial I/O

    Moxa provides a wide range of controllers and I/O products for industrial automation applications. Our devices are built with push technology to facilitate faster I/O responses while still ensuring accurate data collection. Moxa’s Click&Go Plus simplifies configuring control logic rules, and provides support for multiple OT/IT protocols, which makes it easier for you to realize your IIoT application. Our products have been successfully deployed in factories, energy and transportation applications, and city infrastructure.
  • Moxa Serial Device Servers

    RS232, RS422/485, and RS232/422/485 Serial Device Servers; Fiber models available.
  • Moxa Serial Converters

    Moxa's serial media converters allow devices with different serial interfaces to communicate effortlessly. Serial-to-serial converters help convert between RS-232 and RS-422/485, and serial-to-fiber converters convert all three of these interfaces to optical fiber.
  • Moxa Secure Routers

    Moxa's EDR Series industrial secure routers protect the control networks of critical facilities while maintaining fast data transmission. They are specifically designed for automation networks, and are integrated cybersecurity solutions that combine an industrial firewall, VPN, router, and L2 switching functions into a single product that protects the integrity of remote access and critical devices.
  • Moxa Protocol Gateways

    Our patented fieldbus-to-Ethernet MGate gateways not only connect your serial devices to an Ethernet network, but also allow for multiple connections and can convert between various protocols such as Modbus TCP and EtherNet/IP.
  • Moxa Ethernet Media Converters

    Moxa's Ethernet to Fiber media converters feature innovative remote management, industrial-grade reliability, and a flexible, modular design that can fit any type of industrial environment.
  • Moxa USB-to-Serial Converters/USB Hubs

    Moxa's UPort series of USB-to-serial converters and USB hubs provide true Hi-Speed USB 2.0 speeds up to 480 Mbps, 15 kV of ESD protection, and have a metal housing to endure harsh environments, making them ideal for use in ATMs, kiosks, POS stations, and data-acquisition applications.
  • Moxa Industrial Computing

    Moxa offers an extensive range of industrial-grade, fanless computers, and displays for tough environments.
  • Moxa Software

    To accelerate project development and speed up your time to market, Moxa provides programmers with a variety of user-friendly software tools, making it easy to develop customized data acquisition, wireless/cellular communication, and remote device management applications.
  • Moxa Multiport Serial Boards

    With over thirty years of experience in multiport serial board technology and development, Moxa is able to offer one of the most comprehensive selections of industrial-grade multiport serial cards on the market. We offer serial boards for a variety of slot types, from ISA to PCI Express (PCIe) to PC/104.
  • Moxa IP Cameras & Video Servers

    Moxa's industrial-grade IP surveillance offering includes a range of IP cameras and industrial video servers designed to serve a broad spectrum of industries. They deliver the reliable, high-quality video performance and security standards needed for applications that present demanding and unpredictable environments.
  • Moxa Accessories

    Modules, Ethernet Accessories, Wireless Accessories, Power Accessories, Cables & Connection Boxes, Fiber Accessories, Mounting Hardware, and more!

Company Info

Moxa Technologies, Inc.
3001 Enterprise Street #210
Brea, CA 92821

Phone: (888) 669-2872
Fax: (714) 528-6778
Business Hours: 6:30 a.m. to 6:30 p.m. (PST) 9:30 a.m to 9:30 p.m. (EST)

Moxa's Support Page
Moxa's Support Email
Device Driver & Documentation Downloads
RMA Form (pdf)
REACH Compliance