Description

Schneider LC1D18B7 Contactor: Powering Your Electrical Systems

When it comes to powering electrical systems efficiently and reliably, having the right contactor is crucial. Among the myriad of options available in the market, the Schneider LC1D18B7 Contactor stands out for its exceptional performance and durability. In this article, we will delve into what makes this contactor a preferred choice for various industrial and commercial applications.

Understanding Contactors

What are contactors?

Contactors are electromechanical devices used to make or break electrical connections. They are typically used in applications where large currents or voltages need to be controlled, such as in motor control circuits or power distribution systems.

Types of contactors

There are various types of contactors available, including AC contactors, DC contactors, and reversing contactors, each designed for specific applications and operating conditions.

Features of Schneider LC1D18B7 Contactor

The Schneider LC1D18B7 Contactor boasts several features that set it apart from its counterparts.

Electrical specifications

With a voltage rating of up to 690 volts AC, the LC1D18B7 contactor can handle a wide range of electrical loads, making it suitable for diverse industrial and commercial settings.

Design and construction

Built with high-quality materials and precision engineering, the Schneider LC1D18B7 contactor offers robust performance and long-term reliability. Its compact design ensures easy integration into existing electrical systems.

Applications of Schneider LC1D18B7 Contactor

The versatility of the Schneider LC1D18B7 contactor makes it suitable for various applications across different industries.

Industrial usage

From motor control to lighting systems, the LC1D18B7 contactor is widely used in industrial settings to control power distribution and ensure smooth operation of machinery and equipment.

Commercial applications

In commercial buildings and facilities, the Schneider LC1D18B7 contactor is utilized for tasks such as HVAC control, lighting management, and elevator operation, providing efficient and reliable performance.

Installation Guide

Installing the Schneider LC1D18B7 contactor is straightforward, but it requires adherence to certain guidelines to ensure safe and proper operation.

Steps to install the contactor

  1. Turn off power: Before installation, ensure that the power supply to the circuit is switched off to prevent electrical hazards.
  2. Mounting: Securely mount the contactor onto a suitable surface using the provided mounting holes.
  3. Wiring: Connect the control wires to the appropriate terminals on the contactor according to the wiring diagram provided.
  4. Testing: After installation, conduct a thorough test to verify that the contactor is functioning correctly.

Safety precautions

  • Always wear appropriate personal protective equipment (PPE) when working with electrical equipment.
  • Double-check all connections before energizing the circuit to prevent short circuits or electrical faults.

Maintenance Tips

To ensure optimal performance and longevity of the Schneider LC1D18B7 contactor, regular maintenance is essential.

Regular inspection

Periodically inspect the contactor for signs of wear, corrosion, or damage, and replace any worn-out components promptly.

Troubleshooting common issues

In case of malfunctions or abnormal behavior, refer to the manufacturer’s troubleshooting guide or consult a qualified technician for assistance.

maintenance expenses.

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 18 A (at <60 °C) at <= 440 V AC AC-3 for power circuit 32 A (at <60 °C) at <= 440 V AC AC-1 for power circuit 18 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage 24 V AC 50/60 Hz
Complementary
Motor power kW 4 kW at 220...230 V AC 50/60 Hz (AC-3) 7.5 kW at 380...400 V AC 50/60 Hz (AC-3) 9 kW at 415...440 V AC 50/60 Hz (AC-3) 10 kW at 500 V AC 50/60 Hz (AC-3) 10 kW at 660...690 V AC 50/60 Hz (AC-3) 4 kW at 400 V AC 50/60 Hz (AC-4) 4 kW at 220...230 V AC 50/60 Hz (AC-3e) 7.5 kW at 380...400 V AC 50/60 Hz (AC-3e) 9 kW at 415...440 V AC 50/60 Hz (AC-3e) 10 kW at 500 V AC 50/60 Hz (AC-3e) 10 kW at 660...690 V AC 50/60 Hz (AC-3e)
Motor power hp 1 hp at 115 V AC 50/60 Hz for 1 phase motors 3 hp at 230/240 V AC 50/60 Hz for 1 phase motors 5 hp at 200/208 V AC 50/60 Hz for 3 phases motors 5 hp at 230/240 V AC 50/60 Hz for 3 phases motors 10 hp at 460/480 V AC 50/60 Hz for 3 phases motors 15 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 10 A (at 60 °C) for signalling circuit 32 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 60947-5-1 300 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity 300 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current 145 A 40 °C - 10 s for power circuit 240 A 40 °C - 1 s for power circuit 40 A 40 °C - 10 min for power circuit 84 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 50 A gG at <= 690 V coordination type 1 for power circuit 35 A gG at <= 690 V coordination type 2 for power circuit
Average impedance 2.5 mOhm - Ith 32 A 50 Hz for power circuit
Power dissipation per pole 2.5 W AC-1 0.8 W AC-3 0.8 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 15 Mcycles
Electrical durability 1.65 Mcycles 18 A AC-3 at Ue <= 440 V 1 Mcycles 32 A AC-1 at Ue <= 440 V 1.65 Mcycles 18 A AC-3e at Ue <= 440 V
Control circuit type AC at 50/60 Hz standard
Coil technology Without built-in suppressor module
Control circuit voltage limits 0.3...0.6 Uc (-40…70 °C):drop-out AC 50/60 Hz 0.8...1.1 Uc (-40…60 °C):operational AC 50 Hz 0.85...1.1 Uc (-40…60 °C):operational AC 60 Hz 1...1.1 Uc (60…70 °C):operational AC 50/60 Hz
Inrush power in VA 70 VA 60 Hz cos phi 0.75 (at 20 °C) 70 VA 50 Hz cos phi 0.75 (at 20 °C)
Hold-in power consumption in VA 7.5 VA 60 Hz cos phi 0.3 (at 20 °C) 7 VA 50 Hz cos phi 0.3 (at 20 °C)
Heat dissipation 2…3 W at 50/60 Hz
Operating time 12...22 ms closing 4...19 ms opening
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 1.5…6 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 2 1.5…6 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1…6 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 1.5…6 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 2 1.5…6 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 Rail Plate
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 86 mm
Net weight 0.33 kg
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5.200 cm
Package 1 Width 11.300 cm
Package 1 Length 9.500 cm
Package 1 Weight 355.000 g
Unit Type of Package 2 S02
Number of Units in Package 2 20
Package 2 Height 15.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 7.537 kg
Unit Type of Package 3 P06
Number of Units in Package 3 320
Package 3 Height 75.000 cm
Package 3 Width 60.000 cm
Package 3 Length 80.000 cm
Package 3 Weight 129.515 kg
Contractual warranty
Warranty 18 months

Main documents

Main documents

Datasheet Download Datasheet
Product datasheet LC1D18B7 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosure Download

Main documents

Datasheet Download Datasheet
Product datasheet LC1D18B7 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosure Download

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