LADT4 – Schneider Time Delay Auxiliary Contact Block, 1 NO 1 NC, On-Delay 10–180 s, 10 A, Front-Mount (TeSys Deca)

Product Description The Schneider LADT4 Time Delay Auxiliary Contact Block (TeSys Deca) adds a programmable on-delay function to contactor control circuits, enabling precise timing and phased operations. With 1 Normally Open (NO) and 1 Normally Closed (NC) contact, and an adjustable on-delay range of 10–180 seconds, it ensures reliable sequencing for motor starters and automation panels. Rated at 10 A for up to 690 V AC, this module is robust enough for heavy-duty applications. Its front-mount design with screw clamp terminals provides secure and quick installation, making it an ideal accessory for TeSys D/F contactors. At PowerMark Solution, we deliver genuine Schneider auxiliary blocks like the LADT4—trusted across industries for motor protection, automation safety, and reliable process control. Technical Specifications Specification Details Brand Schneider Electric (TeSys Deca series) Model Number LADT4 Contact Configuration 1 NO 1 NC Delay Function On-Delay (time adjustable) Adjustable Time Range 10 – 180 seconds Rated Current 10 A Rated Voltage Up to 690 V AC Mounting Type Front-mount with screw clamp terminals Compatible Contactor Series TeSys D & F contactors (LC1D range) FAQs Q1: What function does LADT4 provide?A: It adds an on-delay timer to motor starter circuits. Q2: What is the time adjustment range?A: Adjustable between 10 to 180 seconds. Q3: How many auxiliary contacts are included?A: It has 1 NO 1 NC configuration. Q4: What is the rated current capacity?A: Supports up to 10 A at 690 V AC. Q5: How is it installed?A: It front-mounts easily on TeSys contactors using screw clamp terminals. Q6: Where is it used?A: Commonly in motor starters, conveyors, HVAC, safety interlocks, and automation control panels.