Schneider LAD8N20 Auxiliary Contact Block, TeSys Deca, 2NO, Side Mounting, Screw

The Schneider Electric LAD8N20 is a TeSys Deca auxiliary contact block with a 2 NO (normally open) contact arrangement, designed for side mounting on TeSys D and TeSys F contactors. It features screw terminal connections and is rated for use up to 690 V AC, making it a reliable addition to contactor assemblies in control circuits.

Technical specifications:

• Commercial reference: LAD8N20
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Deca
• Product type: Auxiliary contact block
• Contact arrangement: 2 NO (normally open)
• Contact operation: Instantaneous
• Mounting location: Side
• Rated operational voltage [Ue]: 690 V AC, 25-400 Hz
• Rated operational 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 per IEC 60947-5-1 / 600 V per UL / 600 V per CSA
• Conventional thermal current [Ith]: 10 A at 60 °C
• Rated making capacity [Irms]: 140 A AC / 250 A DC per IEC 60947-5-1
• Short-time withstand current: 100 A for 1 s / 120 A for 500 ms / 140 A for 100 ms
• Mechanical durability: 30 million operating cycles
• Minimum switching current: 5 mA
• Minimum switching voltage: 17 V
• Non-overlap time: 1.5 ms on opening and closing between NC and NO contacts
• Insulation resistance: over 10 MOhm
• Connection: Screw terminals, 1-4 mm² flexible/rigid cable
• Tightening torque: 1.7 N.m
• Dimensions (HxWxD): 76 x 12.5 x 76 mm
• IP protection rating: IP20 per IEC 60529
• Operating temperature: -5 to 60 °C
• Storage temperature: -60 to 80 °C
• Operating altitude: up to 3000 m
• Standards: EN/IEC 60947-5-1, UL 60947-5-1, CSA C22.2 No 60947-5-1, IEC 60335-1, IEC 60335-2-40
• Certifications: CB Scheme, UL, CSA, CCC, EAC, UKCA
• Warranty: 18 months

Features and benefits:

• Side-mounting design for direct attachment to TeSys D contactors (LC1D09 to LC1D150) and TeSys F (LC1F) series
• 2 NO instantaneous contacts provide immediate switching response for control and signalling circuits
• Wide voltage compatibility from 120 V to 690 V AC and up to 600 V DC suits diverse industrial applications
• High mechanical durability of 30 million cycles ensures long service life in demanding environments
• Screw terminal connections accept 1-4 mm² conductors, supporting flexible and rigid cable types

Applications:

• Contactor status signalling in motor control centers and industrial switchboards
• Interlocking and feedback circuits in automated production lines and conveyor systems
• HVAC equipment control panels using TeSys Deca contactors
• Building automation and energy distribution panels requiring auxiliary switching contacts

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

Also known as: Schneider LAD8N20, Schneider Electric LAD8N20, TeSys D auxiliary contact block, contactor auxiliary block 2NO.