The Schneider LC1D38M7 is a TeSys D series contactor designed for AC motor control and power switching applications. It features three normally open (3 NO) poles, making it ideal for AC-3 applications up to 38A at ≤ 440V. With a 220V AC 50/60 Hz coil, this contactor ensures reliable and efficient switching in industrial and commercial 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:220V 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: Designed for switching and protecting three-phase motors in industrial applications.
High Switching Capacity: Handles 38A in AC-3 applications, ensuring reliable performance in motor circuits.
Stable Coil Operation: Operates with 220V AC at 50/60 Hz, offering efficient and consistent performance.
Compact and Modular Design: Facilitates easy installation and integration into electrical control panels.
Long Operational Life:Durable and wear-resistant components ensure an extended lifespan, minimizing maintenance.
Flexible Mounting Options: Supports DIN rail and panel mounting for convenient 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 LC1D38M7 TeSys D Contactor is a robust and efficient solution for motor control and industrial power switching applications. With a 220V AC coil, 38A current rating, and three normally open contacts, it provides high reliability, durability, and easy integration into electrical 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
220 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 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)
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