Schneider LADN22 Auxiliary contact block

The Schneider Electric LADN22 is a front-mounting auxiliary contact block from the TeSys D range, providing 2 NO + 2 NC instantaneous contacts for contactor control circuits. Compatible with TeSys D, TeSys F, and TeSys Deca contactor families, it is rated up to 690 V AC and 6 A at 120 V AC-15.

Technical specifications:

• Commercial reference: LADN22
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys D / TeSys Deca
• Product type: Auxiliary contact block
• Contact arrangement: 2 NO + 2 NC
• Contact operation: Instantaneous
• Mounting location: Front
• Rated operating voltage [Ue]: 690 V AC (25...400 Hz)
• Rated current [Ie]: 6 A at 120 V AC-15 / 1.04 A at 690 V AC-15 / 0.55 A at 125 V DC-13 / 0.1 A at 600 V DC-13
• Rated insulation voltage [Ui]: 690 V (IEC 60947-5-1) / 600 V (UL / CSA)
• Conventional thermal current [Ith]: 10 A at 60°C
• Making capacity (Irms): 140 A AC / 250 A DC (IEC 60947-5-1)
• Mechanical durability: 30 million cycles
• Non-overlap time: 1.5 ms at opening and closing (NC to NO)
• Minimum switching current: 5 mA
• Minimum switching voltage: 17 V
• Insulation resistance: greater than 10 MOhm
• Connection: screw terminals, 1-2 cables, 1...4 mm² flexible or rigid
• Tightening torque: 1.7 N.m
• Dimensions (H x W x D): 48 x 44 x 42 mm
• Weight: 0.05 kg
• IP protection: IP20 (IEC 60529)
• Operating temperature: -5...60°C
• Storage temperature: -60...80°C
• Operating altitude: up to 3000 m
• Standards: EN/IEC 60947-5-1, EN 50012, UL 60947-5-1, CSA C22.2 No 60947-5-1, GB/T 14048.5
• Certifications: CB Scheme, UL, CSA, CCC, EAC, UKCA
• Warranty: 18 months

Features and benefits:

• 2 NO + 2 NC instantaneous contacts in a single front-mount block for flexible control wiring
• 30 million mechanical operating cycles for reliable long-term performance
• 1.5 ms NC/NO non-overlap time prevents false signals during switching transitions
• Accepts 1 or 2 cables up to 4 mm² with or without ferrules via screw terminals
• TH-treated enclosure rated for -5...60°C operation in standard industrial environments

Applications:

• Motor control and interlocking circuits in industrial automation panels
• Status signalling and feedback circuits with TeSys D and TeSys F contactors
• HVAC and refrigeration systems using contactor-based switching

Compliant with EN/IEC 60947-5-1, EN 50012, UL 60947-5-1, CSA C22.2 No 60947-5-1, and GB/T 14048.5. Part of the Schneider Electric TeSys D range.

Also known as: Schneider LADN22, Schneider Electric LADN22, TeSys D auxiliary contact block 2NO 2NC.