Schneider Electric LA3DR2 Off Delay Auxiliary Contact Block

Description:

The Telemecanique LA3DR2 Off Delay Auxiliary Contact Block is used in industrial motor control systems to provide adjustable off-delay timing for contactors and control circuits. Commonly installed in motor control centers (MCCs), conveyor systems, pumps, compressors, packaging machinery, and industrial control panels. Maintenance teams, OEMs, and system integrators use this time delay auxiliary contact block for repair, replacement, retrofit, or industrial automation maintenance.

Applications:

The Telemecanique LA3DR2 Off Delay Auxiliary Contact Block is commonly used in industrial facilities to provide adjustable off-delay timing for equipment such as conveyors, pumps, compressors, HVAC systems, material handling equipment, robotics, production lines, MCCs, and industrial control panels where dependable delayed switching, reliable machine control, process sequencing, and electrical interlocking are essential.

Technical Specifications:

• Manufacturer: Telemecanique (Schneider Electric)
• Model / Part Number: LA3DR2
• Product Type: Off Delay Auxiliary Contact Block / Time Delay Relay
• Product Series: TeSys D
• Timer Function: Off-delay
• Time Delay Range: 0.1–30 seconds (adjustable)
• Contact Configuration: 1 Normally Open (1 NO) + 1 Normally Closed (1 NC)
• Conventional Free Air Thermal Current (Ith): 10 A
• Rated Operational Voltage (Ue): Up to 690 VAC, 25–400 Hz
• Rated Insulation Voltage (Ui): 690 VAC (IEC), 600 VAC (UL/CSA)
• Rated Operational Current (AC-15): 6 A at 120 VAC, 1.04 A at 690 VAC
• Mounting: Front mount
• Terminal Type: Screw clamp terminals
• Compatible Devices: TeSys D (LC1D, CAD) and TeSys F (LC1F, CR1F) contactors and control relays
• Standards: IEC 60947-5-1, EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1, GB/T 14048.5
• Certifications: UL, CSA, CCC, IECEE CB Scheme
• Protection Rating: IP2X
• Application Environment: Industrial motor control, automation systems, and electrical control panels.

Common Replacements:

• Schneider Electric LADR2 Time Delay Auxiliary Contact Block
• Siemens 3RH19 Time Delay Auxiliary Contact Block
• Allen-Bradley 700-FE Time Delay Relay