10 Relay Box With Terminal Blocks Manufacturers in 2023
This section provides an overview for relay boxes with terminal blocks as well as their applications and principles. Also, please take a look at the list of 10 relay box with terminal blocks manufacturers and their company rankings.
Table of Contents
What Is a Relay Box With Terminal Blocks?
A relay box with terminal blocks is a relay terminal box with terminal blocks already attached.
A terminal block is a component that electrically connects wires that have been treated with terminals. It is a component used to connect different wires and has a high reliability for wiring connections. Also, a relay box is a box that conceals the connection point when wiring is connected. It is a component often used for wiring connections in industrial equipment.
Relay boxes with terminal blocks are a combination of the above two components and are often used for relaying instrumentation wiring.
Uses of Relay Boxes With Terminal Blocks
Relay box with terminal blocks are not used in general households. This is because wiring other than power supply and communication does not exist in general households.
As industrial equipment, they are used in a wide range of applications, from discrete to process factories.
The most common uses of these devices are connections between sensors for instrumentation and logic controllers for arithmetic operations. Sensors for instrumentation often have soldered leads and are connected to other equipment in relay boxes. In locations where sensors are densely packed, they are connected with a relay box with terminal blocks to improve maintainability and ease of installation.
Principle of Relay Boxes With Terminal Blocks
A relay box is an electrical component used to connect wiring. A round box is used when there are fewer than four connection points. A front cover fastened with screws is fixed to the round box, which connects the incoming wires inside and hides the joints. However, round boxes are rarely used as relay box with terminal blocks. The connection with a round box is mainly used to connect wires with a small number of cores.
Relay boxes with terminal blocks are mainly made of steel cabinets or pull boxes.
The steel cabinet has the structure of a steel box with a front cover with hinges and a handle. The front cover and steel cabinet are generally sealed with rubber gaskets. Holes are drilled in the bottom to allow wiring to enter the box, and connections are made at the terminal block inside.
A pull box is a PVC or steel box with the same structure of a steel cabinet sealed with rubber packing, but the front cover is screwed on and basically has a structure of not opening and closing.
Due to their characteristics, relay box with terminal blocks are used for conveying equipment with numerous sensors and for huge equipment with long wiring distances.
List of 10 Relay Box With Terminal Blocks Manufacturers
*Including some distributors, etc.
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Rockwell Automation
Terminal Block Relays
Company Overview
Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.
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ATEN INTERNATIONAL Co., Ltd.
8-Channel Relay Expansion Box
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Relay Box With Terminal Blocks Manufacturer Ranking
*Including some distributors, etc.Number of Employees
- PHOENIX CONTACT: 20,300
- Rexel USA, Inc: 5,400
Newly Established Company
- YueQing Daier Electron Co.,ltd: 2003 (20 years ago)
- Wonke Electric Co., Ltd: 1999 (24 years ago)
- c3controls: 1976 (47 years ago)
Company with a History
- Rockwell Automation: 1903 (120 years ago)
- PHOENIX CONTACT: 1923 (100 years ago)
- c3controls: 1976 (47 years ago)
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