Schneider LADS2 Time Delay Auxiliary Contact Block, TeSys Deca, 1NO+1NC, On-Dela

The Schneider Electric LADS2 is a time delay auxiliary contact block from the TeSys Deca range, designed for front-mounting on compatible contactors and starters. It provides 1 NO + 1 NC contact configuration with on-delay timer functionality, offering an adjustable time delay range of 1 to 30 seconds for sequenced control applications.

Technical specifications:

• Commercial reference: LADS2
• Manufacturer: Schneider Electric
• Series / range: TeSys Deca
• Product type: Time delay auxiliary contact block
• Contact configuration: 1 NO + 1 NC
• Timer type: On-delay (delay on energisation)
• Time delay range: 1...30 s
• 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 (IEC 60947-5-1) / 600 V (UL / CSA)
• Conventional thermal current [Ith]: 10 A at 60 °C
• Making capacity (Irms): 140 A at 690 V AC / 250 A at 690 V DC
• Mechanical endurance: 5 million operating cycles
• Minimum switching current: 5 mA
• Minimum switching voltage: 17 V
• Insulation resistance: > 10 MOhm
• Mounting location: Front
• Connection: Screw terminals, 1...2.5 mm², flexible or solid conductors
• Tightening torque: 1.7 N.m
• Dimensions (HxWxD): 48 x 44 x 61 mm
• Colour: Dark grey
• IP protection rating: IP20 (IEC 60529)
• Operating temperature: -40...70 °C
• Storage temperature: -60...80 °C
• Maximum operating altitude: 3000 m
• Standards: EN/IEC 60947-5-1, UL 60947-5-1, CSA C22.2 No 60947-5-1, GB/T 14048.5, EN 50012
• Certifications: IECEE CB, UL, CSA, CCC, EAC, UKCA
• Warranty: 18 months

Features and benefits:

• Adjustable on-delay timing from 1 to 30 seconds enables flexible sequencing of motor starting operations
• Compatible with TeSys Deca CAD, TeSys Deca LC1D, TeSys F LC1F, and TeSys F CR1F product families
• Non-overlap time of 1.5 ms between NC and NO contacts prevents simultaneous contact closure
• Wide operating temperature range of -40...70 °C suits demanding industrial environments
• PVC-free construction and recyclable cardboard packaging support sustainability requirements
• Multiple international certifications (UL, CSA, CCC, EAC, UKCA) facilitate global project deployment

Applications:

• Star-delta motor starters requiring timed transition between starting and running contactors
• Industrial motor control panels where sequenced energisation of control circuits is required
• Automation switchboards using TeSys D or TeSys F contactors needing auxiliary timing functions
• Machine control applications requiring a defined on-delay before auxiliary circuit activation

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

Also known as: Schneider LADS2, Schneider Electric LADS2, TeSys D time delay auxiliary contact block, on-delay timer contact block.