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D4NL-1FFA-B4S Safety Door Switch D4NL-1FFA-B4S Safety Door Switch
D4NL-1FFA-B4S Safety Door Switch
D4NL-1FFA-B4S Safety Door Switch

D4NL-1FFA-B4S Safety Door Switch

8788 INR/Piece

Product Details:

  • Circuit Type DPST
  • Number of Module Single
  • Finish Type Matte
  • Mechanical Life 1,000,000 operations min.
  • Max. Current 10A
  • Temperature Range -10C to +55C
  • Automation Grade Automatic
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D4NL-1FFA-B4S Safety Door Switch Price And Quantity

  • 10 Piece
  • 8788 INR/Piece

D4NL-1FFA-B4S Safety Door Switch Product Specifications

  • Panel Mount
  • Single
  • Matte
  • 10A
  • 1,000,000 operations min.
  • -10C to +55C
  • 2
  • 240 V AC
  • DPST
  • Automatic
  • 35 mm
  • 240 V
  • Instantaneous
  • 100 M min. (at 500 VDC)
  • Black & Red
  • IP67
  • 30mm x 30mm x 92mm
  • Approx. 170g
  • 100 m max.
  • Glass fiber reinforced PBT
  • 10A
  • Safety Door Switch
  • -10C to +55C

D4NL-1FFA-B4S Safety Door Switch Trade Information

  • Cash in Advance (CID)
  • Asia
  • All India

Product Description

Safety door-lock switch, Mechanical lock Solenoid release, 2NC/1NO+2NC, 10 A, PG 13.5 entry, Solenoid: 24 VDC Orange LED: 10 to 115VAC/VDC, Release key position-Front, Plastic Head, Special release key (resin)

Reliable Safety Performance

Designed for industrial machinery, the D4NL-1FFA-B4S Safety Door Switch delivers dependable door monitoring and control. With its high mechanical and electrical life expectancy, it maintains consistent operation in environments exposed to vibration, shock, and moisture. The key-operated actuator provides secure access, helping protect both personnel and equipment against accidental operation.


Built to Withstand Tough Environments

Certified to IEC60947-5-1 and EN ISO 14119, this switch features IP67 ingress protection, shielding internal components from dust and water. Its tough glass fiber reinforced PBT housing ensures resilience against impacts and chemicals, while the matte finish adds further durability. These attributes make the switch ideal for use in various automated settings, from manufacturing to material handling.

FAQ's of D4NL-1FFA-B4S Safety Door Switch:


Q: How is the D4NL-1FFA-B4S Safety Door Switch installed and connected?

A: The switch utilizes a panel mount design and is equipped with screw terminals for reliable and secure wiring. Its compact size (30mm x 30mm x 92mm) allows for flexible placement on machinery or safety gates, and the terminal configuration supports straightforward electrical integration.

Q: What safety standards does this door switch comply with?

A: It meets IEC60947-5-1 and EN ISO 14119 safety standards, ensuring compatibility with global safety requirements for industrial machinery interlocking devices.

Q: When should the D4NL-1FFA-B4S be used in an automation system?

A: This safety door switch is ideal in scenarios that demand secure door or gate interlocking, particularly in automated systems where safeguarding against accidental access is vital. Its key-operated actuation is suitable for applications needing authorized personnel entry.

Q: Where is the optimal placement for this switch on a machine or enclosure?

A: The switch can be mounted on top or side entry positions, enabling flexible use based on equipment design. Its robust construction allows installation in areas exposed to vibration, moisture, and dust.

Q: What are the benefits of using a key-operated actuator?

A: A key-operated actuator offers controlled access, restricting machine activation only to authorized personnel. This enhances operational safety by preventing unauthorized or accidental operation.

Q: How does the D4NL-1FFA-B4S handle environmental stresses such as vibration and shock?

A: It withstands vibration (10 to 55 Hz, 1.5 mm double amplitude) and shocks up to 1,000 m/s2, ensuring stable performance in environments subjected to mechanical stresses.

Q: What is the process for resetting the switch after an emergency stop or lockout?

A: After resolving the condition, reset by turning the key actuator from its locked position. This will enable the contacts to revert to their original state, restoring the circuit for safe operation.

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