Schneider Electric LADT4 Time Delay Auxiliary Contact Block

Description:

The Telemecanique LADT4 Time Delay Auxiliary Contact Block is used in industrial motor control systems to provide adjustable on-delay timing and additional auxiliary contacts for compatible TeSys contactors and control relays. Commonly installed in motor control centers (MCCs), conveyor systems, pumps, compressors, and industrial control panels. Maintenance teams, OEMs, and system integrators use this time delay contact block for repair, replacement, retrofit, or industrial automation maintenance.

Applications:

The Telemecanique LADT4 Time Delay Auxiliary Contact Block is commonly used in industrial facilities to add adjustable on-delay timing functions to contactors in equipment such as conveyors, pumps, compressors, packaging machines, HVAC systems, material handling equipment, robotics, production lines, MCCs, and industrial control panels where dependable machine sequencing, reliable motor control, process monitoring, and electrical interlocking are essential.

Technical Specifications:

• Manufacturer: Telemecanique / Schneider Electric
• Model / Part Number: LADT4 (#038597)
• Product Type: Time Delay Auxiliary Contact Block
• Product Series: TeSys D / TeSys Deca (LADT)
• Contact Configuration: 1 Normally Open (1NO) + 1 Normally Closed (1NC)
• Contact Operation: On-delay
• Time Delay Range: 10 to 180 seconds
• Rated Operational Voltage (Ue): 690 VAC, 25...400 Hz (600 VAC UL/CSA)
• Conventional Thermal Current (Ith): 10 A at 60°C
• Rated Operational Current (AC-15): 6 A at 120 VAC, 1.04 A at 690 VAC
• Rated Operational Current (DC-13): 0.55 A at 125 VDC, 0.1 A at 600 VDC
• Rated Insulation Voltage (Ui): 690 VAC (IEC), 600 VAC (UL/CSA)
• Mounting Location: Front mount (clip-on)
• Terminal Type: Screw clamp terminals
• Compatible Devices: TeSys D LC1D contactors, TeSys F LC1F contactors, CR1F contactors, and CAD control relays
• Mechanical Durability: Up to 5 million operating cycles
• Standards: IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1, GB/T 14048.5
• Certifications: CB, UL, CSA, CCC, EAC, UKCA
• Application Environment: Industrial motor control, automation systems, and electrical control panels.

Common Replacements:

• Schneider Electric LADT4 Time Delay Auxiliary Contact Block
• Siemens SIRIUS Time Delay Auxiliary Contact Block
• Allen-Bradley Bulletin 100-D Time Delay Auxiliary Contact Module