7 Safety Door Switch Manufacturers in 2023
This section provides an overview for safety door switches as well as their applications and principles. Also, please take a look at the list of 7 safety door switch manufacturers and their company rankings.
Table of Contents
What Is a Safety Door Switch?
A safety door switch is a safety device that is attached to guards that can be opened and closed and covers on safety fences, and are used to confirm whether they are open or closed.
It is often used as an interlock mechanism, for example, to prevent the device from starting when a person enters the safety fence (when the door or cover is open), or to stop the device when the door is open.
Since this is a key switch that involves human life, there are various safety standards, such as ISO14119, and standard products do not lose their function as a safety sensor even in the event of a single failure.
Uses of Safety Door Switches
In recent years, industrial robots, which are widely used at manufacturing sites, have safety fences outside their moving range, and in most cases, safety door switches are used.
Safety door switches are also used as interlocking mechanisms on the exterior covers of processing machines and other equipment that are dangerous to touch during operation. There are two main types of safety door switches: non-contact and locking.
The non-contact type allows the door to be opened with a single action, while the locking type requires two actions to open the door after unlocking it. For example, the locking type is often used for processing machines that are dangerous if easily opened by a person. When the machine is running, the door is locked so that it cannot be opened, and when the machine stops, the door is unlocked and the door can be opened or closed.
Principle of Safety Door Switches
Safety door switches ensure safety based on the concept that no one is allowed to enter the hazardous area. They are used in many hazardous areas because the safety barriers are easy to recognize visually and the areas that must not be entered are clear. When using safety door sensors, care must be taken to ensure that people cannot close the door while inside the safety fence.
Rival to such safety door switches are safety devices, such as light curtains and laser scanners that detect human entry without blocking/interrupting light. Recently, the use of light curtains and laser scanners is increasing in the rapidly growing number of robotic systems on manufacturing floors in order to save space and flexibly accommodate layout changes. Laser scanners offer flexibility to reduce the impact on production by, for example, slowing down the equipment without stopping it when it is far from the source of danger, but they also have the problem of making it difficult to see the area that should not be entered.
List of 7 Safety Door Switch Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- Germany
- Japan
- Taiwan
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PHOENIX CONTACT
Safety switches
Company Overview
Phoenix Contact is headquartered in Blomberg, Germany, originally founded in 1923. Phoenix Contact’s Israeli subsidiary was founded in 2006 and located in Quadima Tzoran. Phoenix Contact provides tools and components for e-mobility, power, infrastructure, process industry, production manufacturing, system manufacturing, and others. Phoenix Contact’s product lines include automate including cloud computing, connect including PCB terminal blocks, “mark, assemble, and install” including hand tools, “supply, charge, and protect” including power distributors, and “switch, measure, and monitor” including relays and optocouplers.
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SICK Inc.
Safety switches
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Panasonic Industry Co., Ltd.
Safety door switch with key SG-B2
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Banner Engineering Corporation
Safety Switches
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ifm efector, inc.
Safe AS-i door switches
Company Overview
ifm efector (ifm) is a subsidiary of ifm electronic, founded in Germany in 1969. ifm has developed, manufactured and marketed sensors and controls technology to industries that include assembly and robotics, automotive, material handling, metal forming, mobile equipment, plastics, and food and beverage. Ifm produces sensors, condition monitoring equipment, image processing, safety technology, industrial communication, IO-link, systems for mobile machines, displays, software, connection technology, voltage supplies, as well as other accessories.
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Safety Door Switch Manufacturer Ranking
*Including some distributors, etc.Number of Employees
- PHOENIX CONTACT: 20,300
- KEYENCE CORPORATION: 8,961
Newly Established Company
- Highly Electric Co., Ltd: 1974 (49 years ago)
- KEYENCE CORPORATION: 1974 (49 years ago)
- PHOENIX CONTACT: 1923 (100 years ago)
Company with a History
- PHOENIX CONTACT: 1923 (100 years ago)
- KEYENCE CORPORATION: 1974 (49 years ago)
- Highly Electric Co., Ltd: 1974 (49 years ago)
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