Description

Schneider LC1D25BD Contactor | TeSys D- 3P(3 NO) – AC-3 – <= 440 V 25 A – 24 V DC coil

Schneider LC1D25BD Contactor: Enhancing Electrical Control

1. Overview

The Schneider LC1D25BD is a 3-pole (3NO) contactor from the TeSys D series, designed for reliable motor and power control applications. It operates at ≤ 440V with a 25A rating for AC-3 applications and features a 24V DC coil. This contactor is widely used in industrial automation, motor control, and power distribution systems due to its high electrical durability and compact design.

2. Key Features

  • Brand: Schneider Electric

  • Series: TeSys D

  • Model: LC1D25BD

  • Type: Contactor

  • Number of Poles: 3 (3 Normally Open – 3NO)

  • Utilization Category: AC-3 (motor control)

  • Voltage Rating: ≤ 440V

  • Current Rating: 25A

  • Coil Voltage: 24V DC

  • Control Circuit Frequency: DC operation

  • Electrical Durability: High endurance for frequent switching

  • Connection Type: Screw clamp terminals for secure wiring

  • Mounting: DIN rail or panel mount

3. Benefits

  • Reliable Motor Control: Designed for AC-3 applications, handling motors up to 25A efficiently.

  • Energy-Efficient DC Coil: The 24V DC coil provides stable performance with reduced power consumption.

  • High Durability: Ensures long-lasting operation in industrial environments.

  • Compact and Modular Design: Saves space in electrical panels.

  • Easy Installation: Equipped with screw clamp terminals for secure and hassle-free wiring.

  • Versatile Applications: Suitable for automation, motor control, and power distribution systems.

4. Applications

  • Industrial Automation: Controls motors, conveyor systems, and robotic operations.

  • Motor Control: Efficient switching for electric motors in factories and workshops.

  • Power Distribution Panels: Provides reliable contactor switching in electrical systems.

  • HVAC Systems: Ensures smooth operation in heating, cooling, and ventilation applications.

  • Pumps & Compressors: Ideal for pump control systems and air compressors.

5. Conclusion

The Schneider LC1D25BD TeSys D Contactor is a high-performance, durable, and compact solution for motor and power control applications. With its 3NO contact configuration, 25A rating, and 24V DC coil, it delivers efficient and reliable switching for various industrial and commercial electrical systems.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product TeSys Deca
Product or component type Contactor
Device short name LC1D
Contactor application Motor control Resistive load
Utilisation category AC-4 AC-3 AC-1 AC-3e
Poles description 3P
[Ue] rated operational voltage Power circuit: <= 690 V AC 25...400 Hz Power circuit: <= 300 V DC
[Ie] rated operational current 25 A (at <60 °C) at <= 440 V AC AC-3 for power circuit 40 A (at <60 °C) at <= 440 V AC AC-1 for power circuit 25 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage 24 V DC
Complementary
Motor power kW 5.5 kW at 220...230 V AC 50/60 Hz (AC-3) 11 kW at 380...400 V AC 50/60 Hz (AC-3) 11 kW at 415...440 V AC 50/60 Hz (AC-3) 15 kW at 500 V AC 50/60 Hz (AC-3) 15 kW at 660...690 V AC 50/60 Hz (AC-3) 5.5 kW at 400 V AC 50/60 Hz (AC-4) 5.5 kW at 220...230 V AC 50/60 Hz (AC-3e) 11 kW at 380...400 V AC 50/60 Hz (AC-3e) 11 kW at 415...440 V AC 50/60 Hz (AC-3e) 15 kW at 500 V AC 50/60 Hz (AC-3e) 15 kW at 660...690 V AC 50/60 Hz (AC-3e)
Motor power hp 3 hp at 230/240 V AC 50/60 Hz for 1 phase motors 2 hp at 115 V AC 50/60 Hz for 1 phase motors 7.5 hp at 230/240 V AC 50/60 Hz for 3 phases motors 15 hp at 460/480 V AC 50/60 Hz for 3 phases motors 20 hp at 575/600 V AC 50/60 Hz for 3 phases motors 7.5 hp at 200/208 V AC 50/60 Hz for 3 phases motors
Compatibility code LC1D
Pole contact composition 3 NO
Protective cover With
[Ith] conventional free air thermal current 10 A (at 60 °C) for signalling circuit 40 A (at 60 °C) for power circuit
Irms rated making capacity 140 A AC for signalling circuit conforming to IEC 60947-5-1 250 A DC for signalling circuit conforming to IEC 60947-5-1 450 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity 450 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current 240 A 40 °C - 10 s for power circuit 380 A 40 °C - 1 s for power circuit 50 A 40 °C - 10 min for power circuit 120 A 40 °C - 1 min for power circuit 100 A - 1 s for signalling circuit 120 A - 500 ms for signalling circuit 140 A - 100 ms for signalling circuit
Associated fuse rating 10 A gG for signalling circuit conforming to IEC 60947-5-1 63 A gG at <= 690 V coordination type 1 for power circuit 40 A gG at <= 690 V coordination type 2 for power circuit
Average impedance 2 mOhm - Ith 40 A 50 Hz for power circuit
Power dissipation per pole 3.2 W AC-1 1.25 W AC-3 1.25 W AC-3e
[Ui] rated insulation voltage Power circuit: 690 V conforming to IEC 60947-4-1 Power circuit: 600 V CSA certified Power circuit: 600 V UL certified Signalling circuit: 690 V conforming to IEC 60947-1 Signalling circuit: 600 V CSA certified Signalling circuit: 600 V UL certified
Overvoltage category III
Pollution degree 3
[Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947
Safety reliability level B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1 B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1
Mechanical durability 30 Mcycles
Electrical durability 1.65 Mcycles 25 A AC-3 at Ue <= 440 V 1.4 Mcycles 40 A AC-1 at Ue <= 440 V 1.65 Mcycles 25 A AC-3e at Ue <= 440 V
Control circuit type DC standard
Coil technology Built-in bidirectional peak limiting diode suppressor
Control circuit voltage limits 0.1...0.25 Uc (-40…70 °C):drop-out DC 0.7...1.25 Uc (-40…60 °C):operational DC 1...1.25 Uc (60…70 °C):operational DC
Inrush power in W 5.4 W (at 20 °C)
Hold-in power consumption in W 5.4 W at 20 °C
Operating time 63 ±15 % ms closing 20 ±20 % ms opening
Time constant 28 ms
Maximum operating rate 3600 cyc/h 60 °C
Maximum operating rate 3600 cyc/h at 60 °C
Connections - terminals Control circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible without cable end Control circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: flexible without cable end Control circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible with cable end Control circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end Control circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: solid without cable end Control circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 1 2.5…10 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 2 2.5…10 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1…10 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 2 1.5…6 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 1.5…10 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 2 2.5…10 mm² - cable stiffness: solid without cable end
Tightening torque Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver Philips No 2 Power circuit: 2.5 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm Power circuit: 2.5 N.m - on screw clamp terminals - with screwdriver Philips No 2 Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver pozidriv No 2 Power circuit: 2.5 N.m - on screw clamp terminals - with screwdriver pozidriv No 2
Auxiliary contact composition 1 NO + 1 NC
Auxiliary contacts type type mechanically linked 1 NO + 1 NC conforming to IEC 60947-5-1 type mirror contact 1 NC conforming to IEC 60947-4-1
Signalling circuit frequency 25...400 Hz
Minimum switching voltage 17 V for signalling circuit
Minimum switching current 5 mA for signalling circuit
Insulation resistance > 10 MOhm for signalling circuit
Non-overlap time 1.5 ms on de-energisation between NC and NO contact 1.5 ms on energisation between NC and NO contact
Mounting support Plate Rail
Environment
Standards CSA C22.2 No 14 EN 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC 60947-5-1 UL 60947-4-1 IEC 60335-1:Clause 30.2 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ CSA C22.2 No 60947-4-1
Product certifications UL CCC CSA Marine UKCA EAC CB Scheme
IP degree of protection IP20 front face conforming to IEC 60529
Protective treatment TH conforming to IEC 60068-2-30
Climatic withstand conforming to IACS E10 exposure to damp heat conforming to IEC 60947-1 Annex Q category D exposure to damp heat
Permissible ambient air temperature around the device -40…60 °C 60…70 °C with derating
Operating altitude 0...3000 m
Fire resistance 850 °C conforming to IEC 60695-2-1
Flame retardance V1 conforming to UL 94
Mechanical robustness Vibrations contactor open (2 Gn, 5...300 Hz) Vibrations contactor closed (4 Gn, 5...300 Hz) Shocks contactor closed (15 Gn for 11 ms) Shocks contactor open (8 Gn for 11 ms)
Height 85 mm
Width 45 mm
Depth 101 mm
Net weight 0.53 kg
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5.000 cm
Package 1 Width 9.300 cm
Package 1 Length 11.300 cm
Package 1 Weight 586.000 g
Unit Type of Package 2 S02
Number of Units in Package 2 15
Package 2 Height 15.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 9.034 kg
Unit Type of Package 3 P06
Number of Units in Package 3 240
Package 3 Height 75.000 cm
Package 3 Width 60.000 cm
Package 3 Length 80.000 cm
Package 3 Weight 152.000 kg
Contractual warranty
Warranty 18 months

Main documents

Main documents

Datasheet Download Datasheet
Product datasheet LC1D25BD 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosure Download

Main documents

Datasheet Download Datasheet
Product datasheet LC1D25BD 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosure Download

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