Schneider LC1D50AQ7 Contactor | TeSys D contactor – 3P(3 NO) – AC-3 – <= 440 V 50 A – 380 V AC 50/60 Hz coil
Schneider LC1D50AQ7 Contactor: A Reliable Solution for Industrial Applications
1. General Description
The Schneider LC1D50AQ7 is a high-performance TeSys D contactor, designed for reliable motor control and power switching applications. It features three normally open (3 NO) contacts and supports an AC-3 rating of up to 50A at ≤ 440V. With a 380V AC 50/60Hz coil, this contactor is optimized for industrial automation and motor control in demanding environments.
2. Technical Specifications
Product Series: TeSys D
Contactor Type: 3-pole (3 NO)
Utilization Category: AC-3
Rated Operational Voltage: ≤ 440V
Rated Current (AC-3):50A
Coil Voltage:380V AC 50/60Hz
Electrical Durability: Up to 1.6 million operations
Mechanical Durability: Up to 30 million operations
Mounting Type: DIN rail or panel mounting
Operating Temperature: -5°C to +60°C
Certifications: CE, UL, IEC
3. Key Features
High Performance: Capable of handling 50A in AC-3 applications, ideal for motor switching and control.
Reliable Coil Operation: Operates with a 380V AC coil, ensuring stability in industrial setups.
Compact and Modular Design: Allows for easy integration into control panels and automation systems.
Durability: Offers long electrical and mechanical life, reducing maintenance needs.
Flexible Mounting: Supports both DIN rail and panel mounting, making installation quick and easy.
4. Applications
Three-phase motor control (up to 50A)
Industrial automation and control systems
Pumps, compressors, and HVAC systems
Conveyor systems and machine tools
Switching of resistive and inductive loads
5. Compliance and Standards
IEC 60947-4-1 (Low-voltage switchgear and controlgear)
CE Certified
UL Listed
RoHS Compliant
6. Conclusion
The Schneider LC1D50AQ7 TeSys D Contactor is an efficient, durable, and high-performing solution for industrial motor control and automation. Its 50A capacity, 3 NO contacts, and 380V AC coil make it an excellent choice for demanding electrical applications, ensuring reliable performance and longevity.
Power circuit: <= 690 V AC 25…400 Hz
Power circuit: <= 300 V DC
[Ie] rated operational current
50 A (at <60 °C) at <= 440 V AC AC-3 for power circuit
80 A (at <60 °C) at <= 440 V AC AC-1 for power circuit
50 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
15 kW at 220…230 V AC 50/60 Hz (AC-3)
22 kW at 380…400 V AC 50/60 Hz (AC-3)
30 kW at 500 V AC 50/60 Hz (AC-3)
33 kW at 660…690 V AC 50/60 Hz (AC-3)
25 kW at 415 V AC 50/60 Hz (AC-3)
30 kW at 440 V AC 50/60 Hz (AC-3)
11 kW at 400 V AC 50/60 Hz (AC-4)
15 kW at 220…230 V AC 50/60 Hz (AC-3e)
22 kW at 380…400 V AC 50/60 Hz (AC-3e)
30 kW at 500 V AC 50/60 Hz (AC-3e)
33 kW at 660…690 V AC 50/60 Hz (AC-3e)
25 kW at 415 V AC 50/60 Hz (AC-3e)
30 kW at 440 V AC 50/60 Hz (AC-3e)
Motor power hp
3 hp at 115 V AC 50/60 Hz for 1 phase motors
7.5 hp at 230/240 V AC 50/60 Hz for 1 phase motors
15 hp at 200/208 V AC 50/60 Hz for 3 phases motors
15 hp at 230/240 V AC 50/60 Hz for 3 phases motors
40 hp at 460/480 V AC 50/60 Hz for 3 phases motors
40 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
80 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
900 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity
900 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current
400 A 40 °C – 10 s for power circuit
810 A 40 °C – 1 s for power circuit
84 A 40 °C – 10 min for power circuit
208 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
100 A gG at <= 690 V coordination type 1 for power circuit
100 A gG at <= 690 V coordination type 2 for power circuit
Average impedance
1.5 mOhm – Ith 80 A 50 Hz for power circuit
Power dissipation per pole
3.7 W AC-3
9.6 W AC-1
3.7 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
1.45 Mcycles 50 A AC-3 at Ue <= 440 V
1.1 Mcycles 80 A AC-1 at Ue <= 440 V
1.45 Mcycles 50 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 EverLink BTR screw connectors – with screwdriver flat Ø 6 mm
Control circuit: 1.7 N.m – on EverLink BTR screw connectors – 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 EverLink BTR screw connectors – with screwdriver pozidriv No 2
Power circuit: 2.5 N.m – on EverLink BTR screw connectors – 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
EN 60947-4-1
EN 60947-5-1
IEC 60947-4-1
IEC 60947-5-1
CSA C22.2 No 14
UL 60947-4-1
IEC 60335-2-40:Annex JJ
UL 60335-2-40:Annex JJ
IEC 60335-1:Clause 30.2
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
0.855 kg
Packing Units
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
6.3 cm
Package 1 Width
13.7 cm
Package 1 Length
15.3 cm
Package 1 Weight
933 g
Unit Type of Package 2
S02
Number of Units in Package 2
10
Package 2 Height
15 cm
Package 2 Width
30 cm
Package 2 Length
40 cm
Package 2 Weight
9.59 kg
Contractual warranty
Warranty
18 months
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