Schneider LC1D38Q7 Contactor | TeSys D – 3P(3 NO) – AC-3 – <= 440 V 38 A – 380 V AC 50/60 Hz coil
Schneider LC1D38Q7 Contactor: A Reliable Solution for Your Electrical Needs
Schneider LC1D38Q7 | TeSys D Contactor – 3P (3 NO) – 38A – 380V AC Coil
1. General Description
The Schneider LC1D38Q7 is a high-performance TeSys D contactor designed for AC motor control and power switching applications. It features three normally open (3 NO) poles, making it suitable for AC-3 applications up to 38A at ≤ 440V. Equipped with a 380V AC 50/60 Hz coil, this contactor ensures efficient, reliable, and durable switching in industrial 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):38A
Coil Voltage:380V AC, 50/60 Hz
Electrical Durability: Up to 1 million operations
Mechanical Durability: Up to 10 million operations
Mounting Type:DIN rail or panel mounting
Operating Temperature Range: -5°C to +60°C
Certifications:CE, UL, IEC
3. Key Features
Optimized for Motor Control: Ideal for switching and protecting three-phase motors in industrial environments.
High Switching Capacity: Handles 38A in AC-3 applications, ensuring robust performance in motor circuits.
Reliable Coil Operation: Operates with 380V AC at 50/60 Hz, providing efficient and stable performance.
Modular and Compact Design: Ensures easy integration into control panels and industrial automation systems.
Long Operational Life:Durable components extend the contactor’s lifespan, reducing maintenance needs.
Flexible Mounting Options: Supports DIN rail and panel mounting for hassle-free installation.
4. Applications
Three-phase motor control and protection
Industrial automation and machine control
HVAC systems (Heating, Ventilation, and Air Conditioning)
Conveyor systems and material handling equipment
General power switching applications
5. Compliance and Standards
IEC 60947-4-1 (Low-voltage switchgear and controlgear)
CE Certified
UL Listed
RoHS Compliant
6. Conclusion
The Schneider LC1D38Q7 TeSys D Contactor is a versatile and reliable choice for motor control and industrial switching applications. With a 380V AC coil, 38A current rating, and three normally open contacts, it delivers high efficiency, durability, and ease of integration into electrical control systems.
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-1 for power circuit
38 A (at <60 °C) at <= 440 V AC AC-3 for power circuit
38 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 500 V AC 50/60 Hz (AC-3)
18.5 kW at 660…690 V AC 50/60 Hz (AC-3)
7.5 kW at 400 V AC 50/60 Hz (AC-4)
18.5 kW at 380…400 V AC 50/60 Hz (AC-3)
9 kW at 220…230 V AC 50/60 Hz (AC-3)
18.5 kW at 415…440 V AC 50/60 Hz (AC-3)
18.5 kW at 500 V AC 50/60 Hz (AC-3e)
18.5 kW at 660…690 V AC 50/60 Hz (AC-3e)
18.5 kW at 380…400 V AC 50/60 Hz (AC-3e)
9 kW at 220…230 V AC 50/60 Hz (AC-3e)
18.5 kW at 415…440 V AC 50/60 Hz (AC-3e)
Motor power hp
10 hp at 230/240 V AC 50/60 Hz for 3 phases motors
10 hp at 200/208 V AC 50/60 Hz for 3 phases motors
5 hp at 240 V AC 50/60 Hz for 1 phase motors
20 hp at 480 V AC 50/60 Hz for 3 phases motors
25 hp at 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
50 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
550 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity
550 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current
60 A 40 °C – 10 min for power circuit
430 A 40 °C – 1 s for power circuit
150 A 40 °C – 1 min for power circuit
310 A 40 °C – 10 s 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
63 A gG at <= 690 V coordination type 2 for power circuit
Average impedance
2 mOhm – Ith 50 A 50 Hz for power circuit
Power dissipation per pole
5 W AC-1
3 W AC-3
3 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
15 Mcycles
Electrical durability
1.4 Mcycles 50 A AC-1 at Ue <= 440 V
1.4 Mcycles 38 A AC-3 at Ue <= 440 V
1.4 Mcycles 38 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
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
4…19 ms opening
12…22 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: 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
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 closed (15 Gn for 11 ms)
Shocks contactor open (8 Gn for 11 ms)
Height
85 mm
Width
45 mm
Depth
92 mm
Net weight
0.38 kg
Packing Units
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
11.2 cm
Package 1 Width
9.6 cm
Package 1 Length
5 cm
Package 1 Weight
410 g
Unit Type of Package 2
S02
Number of Units in Package 2
20
Package 2 Height
15 cm
Package 2 Width
30 cm
Package 2 Length
40 cm
Package 2 Weight
8.597 kg
Contractual warranty
Warranty
18 months
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