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  6. Non-contact safety switch "SS4 Series"

Non-contact safety switch "SS4 Series"

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last updated:Aug 26, 2025

ライン精機
ライン精機
  • Official site

Relay combined dedicated small safety switch

- Easy to install with a compact design - Compatible with PLe when combined with a safety relay unit - Multiple connections possible to a single safety relay unit - A robust stainless steel type is also available in the lineup

    Safety switchSafety Door SwitchSafety Sensors
SS4.jpg

Non-contact safety switch "SS4 Series"

SS4.jpg
SS4.jpg
  • Related Link - https://www.line.co.jp/product/category/safety/#sa…

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basic information

Power Supply Voltage: DC24V (-15%/+10%) Current Consumption: 268mA 30mA Sensing Distance: 7mm (rated) Switch ON (guaranteed value): 6mm Switch OFF (guaranteed value): 10mm Hysteresis: 1mm Output: N.O. output x 2 for connection to our SM1-301 Auxiliary Output: (PNP open collector output) N.C. x 1 DC24V 250mA Max. (SS4-P-420/SS4-OX-420) (NPN open collector output) N.C. x 1 DC30V 250mA Max. (SS4-P-430/SS4-OX-430) Weight: Transmitter Unit: Approximately 30g / Approximately 70g (stainless type) Receiver Unit: Approximately 180g / Approximately 210g (stainless type) Operating Ambient Temperature: -25 – +60°C Protection Structure: IP68 / IP69K (stainless type) Type/Coding Level: 4 / Low PL: Used in conjunction with SM1-301 (1 unit and 2-25 units in series): PLe (Safety Category 4), SIL 3 B10d: 2,000,000 cycles

Price range

P2

Delivery Time

Please contact us for details

Applications/Examples of results

- Stopping the equipment in a dangerous state (door open state) to ensure the safety of workers - Transporting materials to the designated position (positioning) in semiconductor manufacturing equipment

Line up(4)

Model number overview
SS4-P-420 Output SSRN.O. output x2 / Auxiliary output N.C. (PNP open collector output) x1 / Polyamide
SS4-P-430 Output SSRN.O. output x2 / Auxiliary output N.C. (NPN open collector output) x1 / Polyamide
SS4-OX-420 Output SSRN.O. output x2 / Auxiliary output N.C. (PNP open collector output) x1 / Stainless steel
SS4-OX-430 Output SSRN.O. output x2 / Auxiliary output N.C. (NPN open collector output) x1 / Stainless steel

catalog(1)

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Non-contact safety switch/relay "Safety Equipment" product catalog

Non-contact safety switch/relay "Safety Equipment" product catalog

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News about this product(2)

2026 MepTech in Nagoya (Measurement and Measurement Comprehensive Technology Exhibition)

[Line Seiki] "Notice of Participation in the 2026 MepTech in Nagoya (Comprehensive Measurement and Measurement Technology Exhibition)"

  • Seminar・Event

Our company will exhibit at the 2026 MepTech in Nagoya (Comprehensive Measurement and Measurement Technology Exhibition) and plans to showcase safety products with Gemba Reporter. Please be sure to stop by booth number "91" when you visit.

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[Line Seiki] Launches Safety Equipment (Non-contact Safety Door Switch) SS Series

  • Product news

[Line Seiki] Announcement of "Safety Equipment" Release Our company will sell "Safety Equipment (Non-contact Safety Door Switch + Safety Relay)." This switch is installed at the opening and closing parts to monitor safety. It is a sensor that does not disable safety functions. In addition to the resin type, we also offer a robust stainless steel type. [Non-contact Safety Door Switch] SS2 Series (Standalone / Relay Unit Combined) SS3 Series (Standalone Type) SS4 Series (Dedicated for Relay Unit Combined) [Safety Relay Unit] SM1-301

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Companynews list (6)

Company information

ライン精機

ライン精機

Testing, Analysis and Measurement

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Since our founding in 1949, in the untapped field of counters (counting devices), our fundamental philosophy has been passed down through the years as we have expanded our business into various sectors. It is people who create products, and it is also people who use those products. No matter how much the times change, we believe that it is people who generate new value, and without connections with others, we cannot create the products that society demands. Our strength lies in the technical skills and connections we have cultivated over many years of history. Each individual strives to improve themselves and holds high aspirations, while valuing connections with all people. By combining diverse insights and experiences, we will contribute to building the future with new ideas that are not constrained by existing frameworks.

Product/Service List (55)

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The related categories of Safety switch

  • Control and Electrical Equipment
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  • Safety Sensors
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