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Easy Semiconductor Technology (Hong Kong) Limited Supports Marine Environmental Protection Projects

The vast blue oceans of the Earth are the cradle of life and a crucial foundation for human sustainable development. Easy Semiconductor Technology (Hong Kong) Limited has always adhered to the concept of environmental protection and actively engaged in marine environmental protection initiatives. To assist marine

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Our company updates its popular products every week, and all popular products will have many discounts. We will quickly provide quotes for all products within 1 to 4 hours Product pictures are real photos, all products are in stock

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ABB Allen-Bradley ADEPT ALSTOM AMAT B&R BACHMANN BENTLY Bosch Rexroth BAILEY CUTLER-HAMMER DEIF DANAHER Enterasys Extreme EATON ELAU EMERSON EPRO FANUC servo motor FOXBORO GE HIMA Honeywell ICSTriplex IFM Kollmorgen SIEMENS Schneider WOODWARD YASKAWA Omron YOKOGAWA MOOG MOTOROLA NI RELIANCE Rexroth SEW-EURODRIVE TRICONEX Weidmueller Mitsubishi SICK FISHER

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We have engineers in Asia, the Middle East, and Europe, and our solutions are unconditional. Please raise any questions about your project, and we will provide free technical services

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Become part of our mission to advance intelligent manufacturing. We provide a platform where professional growth aligns with sustainable impact. Beyond a rewarding career, our unique program for controller recycling and education extends the value of technology while cultivating future talent. Together, we can ensure that technological progress and environmental stewardship grow hand in hand.

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Your Technical Partner, Beyond the Purchase. We are committed to being your trusted long-term technical partner. Even if you are not yet our customer, our technical team is delighted to provide free pre-sales and after-sales support. We look forward to working with you to find the optimal solution.

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D4NL-4HFA-B4 Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The D4NL-4HFA-B4 is a guard-lock safety door switch with solenoid interlock designed for machine safety applications. It belongs to the Omron D4NL series safety interlock switches, used to prevent access to hazardous machine areas until the system is in a safe state.

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Technical Specifications Item Specification Series D4NL Model D4NL-4HFA-B4 Product Type Safety door interlock switch (guard lock) Actuator Type Key-operated safety door switch Lock Type Mechanical lock with solenoid release Locking Principle Power to unlock Solenoid Voltage 24 VDC Contact Configuration 3NC + 2NC (slow-action) Rated Voltage Up to 240 VAC / 250 VDC Rated Current 3 A Holding Force 1300 N (approx. 133 kgf) Degree of Protection IP67 Housing Material Reinforced plastic Head Material Plastic Conduit Size M20 Connection Type Screw terminal Operating Temperature -10°C to +55°C Electrical Life ~500,000 operations (typical) Mechanical Life ~1,000,000 operations (typical) Certification CE / UL / cULus / TUV / CCC