Description

Schneider LC1D12BD Contactor | TeSys D contactor – 3P(3 NO) – AC-3 – <= 440 V 12 A – 24 V DC coil

Schneider LC1D12BD Contactor: Your Ultimate Guide to Reliable Electrical Control

is a vital component in electrical control systems, renowned for its efficiency and reliability. In this comprehensive guide, we delve into the features, applications, installation tips, maintenance guidelines, and more, to provide you with a thorough understanding of this indispensable electrical device.

Understanding the Functionality of Contactors

Contactors are electromechanical switches designed to control the flow of electricity in electrical circuits. They consist of a coil, contacts, and an enclosure. When the coil is energized, it generates a magnetic field, which attracts the contacts, closing the circuit and allowing current to flow. Schneider LC1D12BD Contactor operates on this principle, offering seamless control over electrical loads.

Features of Schneider LC1D12BD Contactor

Coil Voltage

is available in various coil voltage options, catering to different voltage requirements of electrical systems. This versatility ensures compatibility with a wide range of applications.

AC/DC Operation

One of the standout features of the Schneider LC1D12BD Contactor is its capability to operate with both AC and DC voltage, providing flexibility in various electrical setups.

Contact Ratings

With high-quality silver alloy contacts, the Schneider LC1D12BD Contactor ensures reliable performance and durability. It offers excellent contact ratings, making it suitable for demanding industrial environments.

Applications

Schneider LC1D12BD Contactor finds extensive usage in various industries and applications, including:

  • Motor control
  • Lighting control
  • HVAC systems
  • Industrial machinery
  • Building automation

Advantages

  • Robust construction for long-term reliability
  • Compact design, saving space in control panels
  • Low power consumption, contributing to energy efficiency
  • Easy installation and maintenance, reducing downtime
  • Wide operating temperature range for versatility in different environments

Installation Guide

Installing the Schneider LC1D12BD Contactor is straightforward, but it requires adherence to safety precautions and proper wiring techniques. Refer to the manufacturer’s instructions and the provided wiring diagram for accurate installation.

Wiring Diagram

Ensure correct wiring connections according to the provided diagram to prevent electrical hazards and ensure optimal performance.

Safety Precautions

  • Disconnect power supply before installation or servicing.
  • Use appropriate personal protective equipment (PPE).
  • Follow local electrical codes and regulations.

Maintenance Tips

Regular maintenance is crucial to ensure the continued efficiency and longevity of the Schneider LC1D12BD Contactor. Here are some maintenance tips:

  • Inspect for signs of wear or damage.
  • Clean contacts and terminals regularly.
  • Check for loose connections and tighten if necessary.
  • Lubricate moving parts as recommended by the manufacturer.

Troubleshooting Common Issues

In case of any operational issues, troubleshooting the Schneider LC1D12BD Contactor can help identify and resolve problems promptly. Common issues may include:

  • Failure to energize
  • Overheating
  • Welding of contacts
  • Coil failure

Refer to the manufacturer’s troubleshooting guide or consult a qualified technician for assistance.

Comparison with Other Contactors

stands out among its competitors due to its superior quality, reliability, and versatility. However, comparing it with other contactors based on specific requirements can help in making an informed decision.

Additional information

brands

Schneider Electric

Specifications

Main
Range of product TeSys Deca
Product or component type Contactor
Device short name LC1D
Contactor application Resistive load Motor control
Utilisation category AC-1 AC-4 AC-3 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-1 for power circuit 12 A (at <60 °C) at <= 440 V AC AC-3 for power circuit 12 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage 24 V DC
Complementary
Motor power kW 3 kW at 220...230 V AC 50/60 Hz (AC-3) 5.5 kW at 380...400 V AC 50/60 Hz (AC-3) 5.5 kW at 415...440 V AC 50/60 Hz (AC-3) 7.5 kW at 500 V AC 50/60 Hz (AC-3) 7.5 kW at 660...690 V AC 50/60 Hz (AC-3) 3.7 kW at 400 V AC 50/60 Hz (AC-4) 3 kW at 220...230 V AC 50/60 Hz (AC-3e) 5.5 kW at 380...400 V AC 50/60 Hz (AC-3e) 5.5 kW at 415...440 V AC 50/60 Hz (AC-3e) 7.5 kW at 500 V AC 50/60 Hz (AC-3e) 7.5 kW at 660...690 V AC 50/60 Hz (AC-3e)
Motor power hp 0.5 hp at 115 V AC 50/60 Hz for 1 phase motors 2 hp at 230/240 V AC 50/60 Hz for 1 phase motors 3 hp at 200/208 V AC 50/60 Hz for 3 phases motors 3 hp at 230/240 V AC 50/60 Hz for 3 phases motors 7.5 hp at 460/480 V AC 50/60 Hz for 3 phases motors 10 hp at 575/600 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 25 A (at 60 °C) for power circuit 10 A (at 60 °C) for signalling circuit
Irms rated making capacity 250 A at 440 V for power circuit conforming to IEC 60947 140 A AC for signalling circuit conforming to IEC 60947-5-1 250 A DC for signalling circuit conforming to IEC 60947-5-1
Rated breaking capacity 250 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current 105 A 40 °C - 10 s for power circuit 210 A 40 °C - 1 s for power circuit 30 A 40 °C - 10 min for power circuit 61 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 40 A gG at <= 690 V coordination type 1 for power circuit 25 A gG at <= 690 V coordination type 2 for power circuit
Average impedance 2.5 mOhm - Ith 25 A 50 Hz for power circuit
Power dissipation per pole 0.36 W AC-3 1.56 W AC-1 0.36 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 2 Mcycles 12 A AC-3 at Ue <= 440 V 0.8 Mcycles 25 A AC-1 at Ue <= 440 V 2 Mcycles 12 A AC-3e at Ue <= 440 V
Control circuit type DC standard
Coil technology With integral suppression device
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 Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: solid without cable end 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
Tightening torque Power circuit: 1.7 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm Power circuit: 1.7 N.m - on screw clamp terminals - with screwdriver Philips No 2 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 Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver pozidriv No 2 Power circuit: 1.7 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 open (10 Gn for 11 ms) Shocks contactor closed (15 Gn for 11 ms)
Height 77 mm
Width 45 mm
Depth 95 mm
Net weight 0.485 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 9.000 cm
Package 1 Length 11.000 cm
Package 1 Weight 520.300 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 8.078 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 136.620 kg
Contractual warranty
Warranty 18 months

Main Document

Main Document

Data Sheet : LC1D12BD

Main Document

Data Sheet : LC1D12BD

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