LADN04 - Telemecanique Auxiliary Contact

LADN04 - Telemecanique Auxiliary Contact

Looking for a reliable way to improve the safety and performance of your control systems? The LADN04 Telemecanique Auxiliary Contact Block from Schneider Electric is a compact but powerful solution that adds dependable feedback and interlocking capabilities to your setup. Whether you’re running a motor control center, automating HVAC systems, or managing an industrial process line, this auxiliary contact block is designed to fit right in with TeSys Deca LC1D and F contactors or CAD control relays—no tools, no fuss. It’s a smart upgrade for any panel that needs to work as hard as you do.

Key Features and Benefits

• 4 Normally Closed (NC) Mirror Contacts: Great for safety circuits and feedback systems, ensuring things shut down when they’re supposed to.
• Easy Clip-On Mounting: No tools needed. Just snap it into place and get back to work.
• Built to Last: Handles up to 30 million mechanical operations, so you don’t have to worry about replacing it anytime soon.
• Versatile Use: Perfect for shutdown confirmation, safety interlocks, or just making sure your system keeps talking to itself the right way.

Technical Specifications

• Rated Operational Voltage: Up to 690 V AC
• Insulation Voltage: 690 V IEC / 600 V UL & CSA
• Thermal Current: 10 A at 60°C
• Control Ratings:
  • 6 A @ 120 V AC‑15
  • 1.04 A @ 690 V AC‑15
  • 0.55 A @ 125 V DC‑13
  • 0.1 A @ 600 V DC‑13
• Wiring: Screw clamp terminals (1–4 mm² wire size)
• Torque Rating: 1.7 N·m
• IP Rating: IP20 (per IEC 60529)
• Size & Weight:
  • 1.9″ x 1.7″ x 1.7″
  • 0.11 lb (50 g)

Material Compliance and Certifications

• This unit is made from tough, heat-resistant materials and meets strict IEC and UL standards. It’s built to hold up in harsh industrial settings. The IP20 rating gives it decent protection against solid objects, making it a solid choice for most enclosed panel environments.

Suitability

• The LADN04 shines in control circuits that demand reliability and safety. Use it in:
  • Motor control panels that need shutdown verification
  • HVAC systems where safety and feedback loops matter
  • Industrial machines that depend on interlocking and control logic.