Schneider LC1DT25BD TeSys Deca Contactor 4P 25 A 440V 24V DC Coil

The Schneider Electric LC1DT25BD is a 4-pole TeSys D contactor with 4 normally open (NO) main contacts, rated 25 A at up to 440 V AC in AC-1 category for resistive load switching. It operates on a 24 V DC standard coil with a built-in bidirectional limiter and achieves 30 million mechanical operating cycles. Wide international certifications make it suitable for demanding industrial and marine control panel applications.

Technical specifications:

• Commercial reference: LC1DT25BD
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys D (TeSys Deca)
• Product type: Contactor
• Number of poles: 4P (4 NO)
• Usage category: AC-1 (resistive load)
• Rated current (Ie): 25 A at ≤ 440 V AC, below 60°C
• Rated supply voltage: ≤ 690 V AC (25...400 Hz) / ≤ 300 V DC
• Control circuit voltage (Uc): 24 V DC
• Rated breaking capacity: 250 A at 440 V
• Short-circuit withstand current (Icw): 210 A for 1 s at 40°C
• Auxiliary contact: 1 NO + 1 NC, mechanically linked
• Rated impulse withstand voltage (Uimp): 6 kV
• Operating time: 20 ms opening / 63 ms closing
• Maximum cycle rate: 3600 cycles/h at 60°C
• Mechanical durability: 30 million cycles
• Electrical durability: 0.8 million cycles, AC-1, 25 A, ≤ 440 V
• Connection: Screw terminal blocks, 1...4 mm² (power and control circuits)
• Tightening torque: 1.7 N.m
• IP protection: IP20, front face (IEC 60529)
• Pollution degree: 3 / Overvoltage category: III
• Operating temperature: -40...60°C (-40...70°C with derating)
• Operating altitude: 0...3000 m
• Mounting: DIN rail / panel

Features and benefits:

• 4-pole all-normally-open (4 NO) layout enables simultaneous switching of all four load conductors at 25 A, 440 V AC-1
• 24 V DC standard coil with integrated bidirectional limiter protects the coil across the full operating voltage range
• Mechanically linked mirror contact (1 NC) provides safety-rated position feedback per IEC 60947-4-1
• 30 million mechanical cycles and 0.8 million electrical cycles ensure long service life in high-duty installations
• Wide temperature range (-40...60°C) and 3000 m altitude rating suit harsh industrial and elevated-site environments
• Certified by UL, CSA, CCC, DNV, GL, BV, and RINA for use in standard industrial, marine, and offshore applications

Applications:

• Resistive load switching in industrial automation and machine control panels
• Heating and lighting circuit control in commercial and industrial buildings
• Four-wire load control in process control and distribution systems
• Marine and offshore panel installations requiring DNV, GL, BV, or RINA approval

Compliant with IEC 60947-4-1, IEC 60947-5-1, EN 60947-4-1, EN 60947-5-1, UL 508, and CSA C22.2 No 14. Part of the Schneider Electric TeSys D range.

Also known as: Schneider LC1DT25BD, Schneider Electric LC1DT25BD, TeSys D 4-pole contactor 24V DC coil, 4P AC-1 contactor 25A.