Explore our range of industrial Connection Devices, including Network Media for Ethernet, ControlNet™, DeviceNet™, Power Media, and Safety Connection Systems.
Connection Devices are the backbone of a reliable industrial control system—linking power, signals, and data from the field to the control layer. Rockwell Automation® connection solutions are engineered to simplify installation, improve uptime, and maintain signal integrity in demanding industrial environments. From machine‑level wiring to plant‑wide networking, our portfolio supports scalable architectures that help you reduce commissioning time, minimize maintenance risk, and design systems that are ready for expansion. With robust materials, global certifications, and seamless integration into Rockwell Automation architectures, these products help bring the Connected Enterprise® to life—reliably and efficiently.
Key Features
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Industrial‑Grade Reliability in Harsh Environments
Designed for vibration, temperature extremes, oil, and washdown conditions, Rockwell Automation connection devices help protect signal integrity and system uptime. Why it matters: Electrical failures often originate at connection points—industrial‑rated components reduce unplanned downtime.
Faster Installation and Commissioning
Pre‑engineered cordsets, field‑attachable connectors, and modular terminal blocks reduce wiring errors and speed machine build. Why it matters: Faster installation lowers labor costs and accelerates time to production.
Scalable Network Connectivity
Copper, fiber, and industrial Ethernet media support scalable architectures—from machine‑level networks to plant‑wide systems. Why it matters: Network‑ready connectivity supports data visibility and future digital expansion.
Seamless System Integration
Designed to integrate with Allen‑Bradley® I/O, controllers, and network infrastructure. Why it matters: System compatibility simplifies design, procurement, and lifecycle support.
Explore Connection Device Solutions
Build reliable, scalable connections from the field to the enterprise.
Product
Cordsets & Field Attachables
Cordsets and field‑attachable connectors provide flexible, ready‑to‑install solutions for sensors, actuators, and I/O devices. Available in multiple lengths, pin counts, and connector styles, they help reduce wiring errors and simplify maintenance by enabling quick replacement in the field.
I/O wiring and conversion systems streamline panel design and system integration by simplifying how signals move between devices and controllers. These solutions help reduce cabinet space, improve wiring organization, and accelerate commissioning—making it easier to scale your architecture while maintaining signal integrity and serviceability.
Network media includes industrial Ethernet cables, fiber‑optic solutions, and accessories engineered for noise immunity, high bandwidth, and long‑distance communication. These products help ensure reliable data flow in environments where commercial‑grade cabling may fail.
Power media connection devices ensure reliable power delivery across machines, panels, and production lines. Engineered for durability and efficiency, these solutions help maintain consistent power distribution, support modular machine designs, and simplify installation in demanding industrial applications.
Safety connection systems are purpose‑built to support safety‑related devices and architectures. Designed to meet functional safety requirements, these components help simplify wiring, improve diagnostics, and support safer machine operation—helping protect people, equipment, and productivity without adding unnecessary complexity.
Terminal blocks provide a structured, secure approach to wiring and power distribution inside control panels. Available in a wide range of configurations, they help improve organization, simplify troubleshooting, and support efficient panel assembly—making long‑term maintenance and future expansion easier and more predictable.
Discover Rockwell Automation's industrial control products, featuring Allen-Bradley solutions for enhanced efficiency and reliability in your operations.
Lifecycle Services help your manufacturing facility work faster, smarter and with greater agility at every lifecycle stage.
Industrial Connection Devices FAQs
What should I consider when selecting industrial connection devices?
When selecting connection devices, consider environmental conditions (temperature, vibration, washdown), electrical ratings, connector type, and system compatibility. Industrial environments demand components that maintain performance under stress while meeting regional standards. Rockwell Automation connection devices are designed to align with industrial controllers, I/O, and networks, helping reduce risk and simplify long‑term maintenance. Reviewing system architecture early ensures consistent performance and scalability.
How do cordsets improve machine reliability and maintenance?
Cordsets provide standardized, factory‑terminated connections that reduce wiring errors and installation variability. This improves signal reliability and makes replacement faster during maintenance or troubleshooting. Using pre‑tested cordsets also helps minimize commissioning time and supports consistent machine builds across multiple locations.
Why is industrial network media different from commercial cabling?
Industrial network media is engineered to withstand electrical noise, temperature extremes, and mechanical stress that can degrade commercial‑grade cables. Using industrial‑rated Ethernet or fiber helps maintain data integrity, supports higher uptime, and enables reliable communication for control and information systems.
How do terminal blocks support control panel efficiency?
Terminal blocks help organize wiring, simplify labeling, and support modular panel designs. This improves readability, speeds troubleshooting, and allows easier expansion or modification of control panels over time. Consistent terminal block systems also support panel standardization across machines and facilities.
Can these connection devices support future system expansion?
Yes. Rockwell Automation connection devices are designed to support scalable architectures—making it easier to add sensors, machines, or network capacity as requirements change. This flexibility helps protect your investment and supports digital transformation initiatives without requiring major redesigns.
Simplify Your Processes with the Right Resources and Support
Our Bulletin 1492 ClearMultiprint™ marking system marks terminal block tags, heat shrink, self-laminating wire, and adhesive labels for use on terminal blocks, wires, cables, and other industrial components.
Our AC Micro Splitters and Tees are designed for use with Bulletin 198 MDSA AC modules. The polyurethane (PUR) body provides oil and chemical resistance. The ratcheting coupling nuts provide superior vibration resistance.
Our Bulletin 889 DC Micro (M12) Cordsets & Patchcords provide secure connections for proximity sensors, limit switches, photoelectric sensors and other field devices.
Our Bulletin 879D DC Micro (M12) V- & Y-Cables allow two field devices to be interfaced to a single I/O port. The slim, space-saving design features polyvinylchloride (PVC) jacket and ratcheting coupling nuts.
Our DC Micro Splitters & Tees are designed for use with dual input distribution boxes and MaXum™ distributed I/O. Splitters and tees allow two field devices to be interfaced with a single I/O port. The polyurethane (PUR) insulated body offers resistance to oil and chemicals. The ratcheting coupling nuts provide superior vibration resistance.
Our Bulletin 888 DC Micro (M12) Panel Mount Receptacles are die-cast connectors ideal for use in enclosures or for creating custom wiring configurations.
Our Bulletin 871A and 889 DC Micro (M12) Insulation Displacement Connectors are used with raw cable to create quick connections on the plant floor. IDC installation requires no tools. Simply insert the unstripped conductors into the connector body, and twist the connector ends together.
Our Bulletin 898 DC Micro (M12) Distribution Boxes connect multiple devices to the control system and are a great way to increase flexibility and cut costs. They lower your labor costs by reducing installation and troubleshooting time.
Our Bulletin 889 DIN Valve Field-attachable Connectors allow for the creation and customization of quick-disconnect cables on the plant floor for standard valves and other devices.
Our Bulletin 889 EAC Micro Cordsets provide secure connections for proximity sensors, photoelectric sensors and other field devices. Connectors are available in straight or right-angled configurations and are physically keyed to prevent wiring mishaps.
Our Bulletin 898 IDC Distribution Boxes are a great way to increase flexibility and cut costs. They lower your labor costs by reducing installation and troubleshooting time.
Our Bulletin 889M M23 Solder Field Attachable Connectors are passive devices for use with raw cable. Available in male and female versions, these 4- and 5-pin models allow for easy assembly of custom cables on the plant floor.
Our Bulletin 898P Pico (M8) Splitters and Tees include a single cable with male connector that splits into two female connectors, allowing you to connect two devices to a single I/O port.
Our Bulletin 889P Pico (M8) Insulation Displacement Connectors (IDCs) make it easy to assemble custom QD cables on the plant floor. Connector-to-cable installation requires no tools.
Our Bulletin 889 Cable Spools can combine with field-attachable connectors to provide enhanced flexibility which allows for quick and simple installation typical of a full connector-based system. Red cable jackets let you easily identify safety applications.
Our thick and thin round cable (generally used for trunk and drop cable, respectively) are available in bulk spools or pre-molded cordsets or patchcords.
Our On-Machine™ M12 cables have an IP67 over-molded connector with a twisted pair cable and is durable for on-machine components and high flex applications.
Our In-cabinet (RJ45) Connectors for Ethernet are designed to withstand IP20 industrial applications while ensuring the integrity and performance of your network.
Our Industrial USB Cables replace combinations of serial adapters and cables. Each cable allows you to directly connect to the USB port on your computer which helps simplify the set-up and installation of switches and/or devices.
Our Bulletin 1485 Auxiliary Power Media connection devices are based on a 4–pin connector system and is used to provide 24V DC power to I/O modules and other devices separately from network power.
Our Bulletin 888/889 Control Power Media connection devices offer mini disconnect cables that provide a secure connection to the ArmorStart® Distributed Motor Controller.
Our Bulletin 280 ArmorConnect® Three-phase Power Media offers both mini and quick-change disconnect cables that provide a secure connection to the ArmorStart® Distributed Motor Controller.
Our Guardmaster® Safety t-ports/splitters, distribution boxes, shorting plugs, and taps are parts of a quick-disconnect system dedicated to machine safety.
Our Bulletin 1492 Standard Feed-through IEC Push-in Terminal Blocks for single-circuit feed-through applications are available in nine colors and several sizes.
Our Bulletin 1492-P Sensor Terminal Blocks provide all connections you need for three-wire applications in one terminal block to help save panel space.
Our Bulletin 1492-P Universal Distribution Terminal Blocks allow a central connection to be easily distributed to multiple adjacent terminal blocks, using center jumpers.
Our Bulletin 1492-P Plug-in Style Terminal Blocks provide a means of plugging-in discrete electronic components, circuit protection fuses, or a circuit isolation disconnect plug for applications where space is limited.
Our Bulletin 1492-P Multi-circuit Feed-through Terminal Blocks are ideal for applications where control signals must be distributed and collected through the same blocks.
Our Bulletin 1492-P Double Level Plug-in Style Terminal Blocks provide a means of plugging-in discrete electronic components, circuit protection fuses, or circuit isolation disconnect plugs to help save valuable panel space.
Our Bulletin 1492 Double Level, Plug-in Screw-type Terminal Blocks provide a means of plugging in discrete electronic components, circuit protection fuses, or circuit isolation disconnect plugs which helps save valuable panel space.
Our Bulletin 1492 Specialty Feed-through IEC Screw-type Terminal Blocks have test plugs and adapters that identify the presence of voltage and perform simple diagnostic measuring of voltage.
Our Bulletin 1492 Space-saver Grounding IEC Screw-type Terminal Blocks provide an easy-to-identify, convenient, neatly organized grounding bus that is mounted on the DIN rail.
Our Bulletin 1492 Single-circuit Neutral Disconnect IEC Screw-type Terminal Blocks offer increased safety through a disconnect that requires a tool to open or close a circuit.
Our Bulletin 1492-JP Process IEC Screw-type Terminal Blocks are designed specifically for process marshaling applications to save 45% panel space and improve the performance of signal routing and distribution.
Our Bulletin 1492 Plug-in IEC Screw-type Terminal Blocks provide a means of plugging-in discrete electronic components, circuit protection fuses, or a circuit isolation disconnect plug for applications where space is limited.
Our Bulletin 1492 Multi-circuit Feed-through IEC Screw-type Terminal Blocks are ideal for applications where control signals must be distributed and collected through the same blocks.
Our Bulletin 1492 Grounding IEC Screw-type Terminal Blocks provide an easy-to-identify, convenient, neatly organized grounding bus that is mounted on the DIN rail.
Our Bulletin 1492 Comb Connection IEC Spring-clamp Terminal Blocks have a standard cage-clamp connection on one side and a comb-style connection on the other side.
Our Bulletin 1492 Standard Feed-through IEC Spring-clamp Terminal Blocks for single-circuit feed-through applications are available in nine colors and several sizes.
Our Bulletin 1492 Power Distribution IEC Spring-clamp Terminal Blocks with feeder spacing are available in numerous connector configurations to help meet the needs of your application.
Our Bulletin 1492 Plug-in Analog Loop Control IEC Spring-clamp Terminal Blocks provide a means of plugging-in discrete electronic components, circuit protection fuses, or a circuit isolation disconnect plug where space is limited.
Our Bulletin 1492 Panel Mount Mini-block IEC Spring-clamp Terminal Blocks are general single-circuit feed-through blocks that offer durability and are available in a broad range of colors.
Our Bulletin 1492 Neutral Disconnect and Installation IEC Spring-clamp Terminal Blocks offer increased safety by requiring a tool to open or close a circuit.
Our Bulletin 1492 Multi-circuit Feed-through IEC Spring-clamp Terminal Blocks are ideal for applications where control signals must be distributed and collected through the same blocks.
Our Bulletin 1492 Flexible Plug-in IEC Spring-clamp Terminal Blocks have a standard cage-clamp connection on one side and a comb-style connection on the other side.
Our Bulletin 1492 Open Construction Terminal Blocks (Styles C and F) provide visual verification that the wire is properly positioned in the clamping area.
Bulletin 1492 Fuse and Surge Suppressor Terminal Blocks are two-circuit blocks consisting of a series resistor/capacitor connected in parallel with a metal oxide varistor (MOV).
Our Bulletin 1492 High-density Finger-safe Terminal Blocks fall between the open-style NEMA/EEMAC terminal blocks and full-function IEC style terminal blocks.
Our Bulletin 1492 NEMA Panel Mount Terminal Blocks are typically used when the installation requires only a few terminations. They reduce installation time, are ready to wire after mounting, and require no rail.
