In today’s rapidly evolving world of electrical engineering, having reliable components is crucial for ensuring the smooth operation of various systems. One such indispensable component is it. In this article, we will delve into the features, applications, advantages, and installation of this essential electrical device.
it is a high-performance electrical component designed for switching and controlling electrical power circuits. It is part of Schneider Electric’s renowned line of contactors, known for their reliability and durability in demanding industrial environments.
What is a Contactor?
A contactor is an electromechanical switch used to make or break electrical connections in power circuits. Unlike relays, which are typically used for low-power applications, contactors are designed to handle higher currents and voltages, making them suitable for controlling motors, lighting, heating systems, and other heavy-duty electrical loads.
Understanding Contactors
Before delving into the specifics of it, let’s first understand the basic principles behind contactors and their role in electrical systems.
Features
it boasts a range of features that set it apart from other contactors on the market. Some of its key features include:
High current rating: it is capable of handling currents up to 40 amps, making it suitable for a wide range of industrial applications.
Compact design: Despite its robust performance, it has a compact footprint, making it easy to integrate into electrical panels and control systems.
Coil voltage options: Schneider offers a variety of coil voltage options for it, allowing for compatibility with different electrical systems and voltage standards.
Built-in surge suppression: itis equipped with built-in surge suppression to protect sensitive electronic components from voltage spikes and transients.
Long electrical life: With its durable construction and high-quality materials, it is designed to provide years of reliable service in demanding industrial environments.
Applications of Schneider LC1D40AQ7 Contactor
Motor control: it is commonly used to control the operation of motors in industrial machinery, conveyor systems, and HVAC equipment.
Lighting control: In commercial and industrial settings, it can be used to switch and dim lighting circuits, providing energy-efficient control of lighting systems.
Heating systems: it is ideal for controlling electric heating elements in ovens, furnaces, and other heating systems, ensuring precise temperature regulation and energy efficiency.
Advantages of Using
Reliability: Schneider Electric is a trusted name in the industry, known for producing high-quality electrical components that deliver reliable performance in demanding environments.
Durability: it is built to withstand the rigors of industrial use, with a rugged construction that ensures long-term reliability and durability.
Performance: With its high current rating and advanced features, it delivers superior performance in a wide range of applications, from motor control to lighting and heating systems.
Installation Guide
Installing it is a straightforward process, but it’s important to follow proper installation procedures to ensure safe and reliable operation. Here’s a step-by-step guide:
Choose the right location: Select a suitable location for mounting it, taking into account factors such as accessibility, ventilation, and proximity to other electrical components.
Prepare the electrical panel: Before installing it, ensure that the electrical panel is properly grounded and that
Power circuit: <= 690 V AC 25…400 Hz
Power circuit: <= 300 V DC
[Ie] rated operational current
60 A (at <60 °C) at <= 440 V AC AC-1 for power circuit
40 A (at <60 °C) at <= 440 V AC AC-3 for power circuit
40 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage
380 V AC 50/60 Hz
Complementary
Motor power kW
18.5 kW at 380…400 V AC 50/60 Hz (AC-3)
11 kW at 220…230 V AC 50/60 Hz (AC-3)
22 kW at 415…440 V AC 50/60 Hz (AC-3)
22 kW at 500 V AC 50/60 Hz (AC-3)
30 kW at 660…690 V AC 50/60 Hz (AC-3)
9 kW at 400 V AC 50/60 Hz (AC-4)
18.5 kW at 380…400 V AC 50/60 Hz (AC-3e)
11 kW at 220…230 V AC 50/60 Hz (AC-3e)
22 kW at 415…440 V AC 50/60 Hz (AC-3e)
22 kW at 500 V AC 50/60 Hz (AC-3e)
30 kW at 660…690 V AC 50/60 Hz (AC-3e)
Motor power hp
5 hp at 230/240 V AC 50/60 Hz for 1 phase motors
10 hp at 230/240 V AC 50/60 Hz for 3 phases motors
30 hp at 575/600 V AC 50/60 Hz for 3 phases motors
10 hp at 200/208 V AC 50/60 Hz for 3 phases motors
3 hp at 115 V AC 50/60 Hz for 1 phase motors
30 hp at 460/480 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
60 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
800 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity
800 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current
320 A 40 °C – 10 s for power circuit
720 A 40 °C – 1 s for power circuit
72 A 40 °C – 10 min for power circuit
165 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
80 A gG at <= 690 V coordination type 1 for power circuit
80 A gG at <= 690 V coordination type 2 for power circuit
Average impedance
1.5 mOhm – Ith 60 A 50 Hz for power circuit
Power dissipation per pole
2.4 W AC-3
5.4 W AC-1
2.4 W AC-3e
[Ui] rated insulation voltage
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
Power circuit: 690 V conforming to IEC 60947-4-1
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
6 Mcycles
Electrical durability
1.4 Mcycles 60 A AC-1 at Ue <= 440 V
1.5 Mcycles 40 A AC-3 at Ue <= 440 V
1.5 Mcycles 40 A AC-3e at Ue <= 440 V
Control circuit type
AC at 50/60 Hz
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
140 VA 60 Hz cos phi 0.75 (at 20 °C)
160 VA 50 Hz cos phi 0.75 (at 20 °C)
Hold-in power consumption in VA
13 VA 60 Hz cos phi 0.3 (at 20 °C)
15 VA 50 Hz cos phi 0.3 (at 20 °C)
Heat dissipation
4…5 W at 50/60 Hz
Operating time
4…19 ms opening
12…26 ms closing
Maximum operating rate
3600 cyc/h 60 °C
Maximum operating rate
3600 cyc/h at 60 °C
Connections – terminals
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: 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 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: EverLink BTR screw connectors 1 1…35 mm² – cable stiffness: flexible without cable end
Power circuit: EverLink BTR screw connectors 2 1…25 mm² – cable stiffness: flexible without cable end
Power circuit: EverLink BTR screw connectors 1 1…35 mm² – cable stiffness: flexible with cable end
Power circuit: EverLink BTR screw connectors 2 1…25 mm² – cable stiffness: flexible with cable end
Power circuit: EverLink BTR screw connectors 1 1…35 mm² – cable stiffness: solid without cable end
Power circuit: EverLink BTR screw connectors 2 1…25 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: 8 N.m – on EverLink BTR screw connectors – cable 25…35 mm² hexagonal screw head 4 mm
Power circuit: 5 N.m – on EverLink BTR screw connectors – cable 1…25 mm² hexagonal screw head 4 mm
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 508
IEC 60335-1
Product certifications
CCC
UL
CB Scheme
CSA
CE
UKCA
Marine
EAC
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 (10 Gn for 11 ms)
Height
122 mm
Width
55 mm
Depth
120 mm
Net weight
0.85 kg
Packing Units
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
6.200 cm
Package 1 Width
13.700 cm
Package 1 Length
15.200 cm
Package 1 Weight
906.000 g
Unit Type of Package 2
S02
Number of Units in Package 2
10
Package 2 Height
15.000 cm
Package 2 Width
30.000 cm
Package 2 Length
40.000 cm
Package 2 Weight
9.336 kg
Contractual warranty
Warranty
18 months
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