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Magnetic Safety Interlock Switches feature non-contact design.

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Magnetic Safety Interlock Switches feature non-contact design.
Magnetic Safety Interlock Switches feature non-contact design.
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November 23, 2012 - Designed for applications where no contact is desired between switch and actuating key, Series HS7A-DMC measures 7 x 16 x 51 mm and works well with safety relay modules, while Series HS7A-DMP features 3-contact design. Auxiliary contacts enable PLCs to monitor door status as operation signals can be read directly by controllers. Typical applications for switches include those where there are alignment issues, there is zero operating force, or doors are subject to heavy vibration.

New IDEC HS7A Non-contact Interlock Switches - Perfect when Contact Between Switch and Key isn't Possible

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

IDEC Corp.
1175 Elko Drive
Sunnyvale, CA, 94089-2209

Press release date: November 9, 2012

IDEC Corporation, Sunnyvale, CA – A leading manufacturer of safety products, with the introduction of two new non-contact magnetic safety switches (HS7A-DMC, HS7A-DMP), IDEC now provides customers even more options. Designed to be used in applications where no contact is desired between the switch and its actuating key, and space is at a premium, common applications for these switches include those where:
• No contaminants can be trapped in or around devices, such as food & beverage and pharmaceutical applications.
• A precise door guide is not possible.
• There is zero operating force, such as lightweight or Plexiglas doors
• When there are alignment issues with the switch and actuating keys
• Doors are subject to heavy vibration
• A standard mechanical safety interlock switch would be more difficult to clean, such as a wash down application

Compact Magnetic Safety Switches (HS7A-DMC Series)
At just 7 x 16 x 51 (mm), the HS7A-DMC safety switches work well in combination with our safety relay modules, making them the smallest Category 4 device in the market.

3-contact Magnetic Safety Switches (HS7A-DMP Series)
The HS7A-DMP interlock safety switches have up to three contacts and provide a high-quality, space-saving product at a competitive price. The auxiliary contacts enable PLCs to monitor the door status as operation signals can be read directly by controllers.

For additional information and complete specifications, call IDEC at 1-800-262-IDEC (4332) or visit us online at

About IDEC: Headquartered in Osaka, Japan, IDEC Corporation is a global manufacturer known worldwide for over sixty-five years for its reliable control and automation products. In the United States, IDEC has over thirty local sales offices to assist customers with choosing the right switches, relays, power supplies, PLCs, OIs, sensors and more. A leader in the industry, IDEC produces only the highest quality products. For additional information, visit

Sarah Farrant
Marketing Copywriter
IDEC Corporation
P: 408.745.5215
F: 408.745.5258
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