Schneider LC1D32BD Contactor | TeSys D – 3P(3 NO) – AC-3 – <= 440 V 32 A – 24 V DC coil
Schneider LC1D32BD Contactor: The Reliable Solution for Industrial Electrical Control
Schneider LC1D32BD | TeSys D Contactor – 3P (3 NO) – 32A – 24V DC Coil
1. General Description
The Schneider LC1D32BD is a TeSys D series contactor, designed for motor control and power switching applications. It features three normally open (3 NO) contacts, making it ideal for AC-3 applications up to 32A at ≤ 440V. This model operates with a 24V DC coil, ensuring reliable and efficient performance in industrial automation and control systems.
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):32A
Coil Voltage:24V DC
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
Reliable Motor Control: Ideal for switching and protecting three-phase motors.
High Switching Capacity: Handles 32A in AC-3 applications efficiently.
24V DC Coil: Provides low-power consumption and stable operation in DC-powered control systems.
Compact and Modular Design: Allows for easy installation and integration into electrical panels.
Long Operational Life:Up to 10 million mechanical operations for durability.
Flexible Installation: Supports DIN rail and panel mounting for adaptability.
4. Applications
Three-phase motor control
Industrial automation and power distribution
Pumps, compressors, and conveyor systems
HVAC systems
General-purpose power switching
5. Compliance and Standards
IEC 60947-4-1 (Low-voltage switchgear and controlgear)
CE Certified
UL Listed
RoHS Compliant
6. Conclusion
The Schneider LC1D32BD TeSys D Contactor is a high-performance and durable solution for motor control and power switching applications. With a 32A current rating, 24V DC coil, and robust design, it is an excellent choice for industrial automation, HVAC systems, and electrical control applications.
Power circuit: <= 690 V AC 25…400 Hz Power circuit: <= 300 V DC
[Ie] rated operational current
32 A (at <60 °C) at <= 440 V AC AC-3 for power circuit 50 A (at <60 °C) at <= 440 V AC AC-1 for power circuit 32 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage
24 V DC
Complementary
Motor power kW
7.5 kW at 220…230 V AC 50/60 Hz (AC-3) 15 kW at 380…400 V AC 50/60 Hz (AC-3) 15 kW at 415…440 V AC 50/60 Hz (AC-3) 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) 7.5 kW at 220…230 V AC 50/60 Hz (AC-3e) 15 kW at 380…400 V AC 50/60 Hz (AC-3e) 15 kW at 415…440 V AC 50/60 Hz (AC-3e) 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)
Motor power hp
2 hp at 115 V AC 50/60 Hz for 1 phase motors 5 hp at 230/240 V AC 50/60 Hz for 1 phase motors 10 hp at 200/208 V AC 50/60 Hz for 3 phases motors 10 hp at 230/240 V AC 50/60 Hz for 3 phases motors 20 hp at 460/480 V AC 50/60 Hz for 3 phases motors 25 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 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
260 A 40 °C – 10 s for power circuit 430 A 40 °C – 1 s for power circuit 60 A 40 °C – 10 min for power circuit 138 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 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
2 W AC-3 5 W AC-1 2 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
30 Mcycles
Electrical durability
1.65 Mcycles 32 A AC-3 at Ue <= 440 V 1.4 Mcycles 50 A AC-1 at Ue <= 440 V 1.65 Mcycles 32 A AC-3e at Ue <= 440 V
0.1…0.25 Uc (-40…70 °C):drop-out DC 0.7…1.25 Uc (-40…60 °C):operational DC 1…1.25 Uc (60…70 °C):operational DC
Inrush power in W
5.4 W (at 20 °C)
Hold-in power consumption in W
5.4 W at 20 °C
Operating time
63 ±15 % ms closing 20 ±20 % ms opening
Time constant
28 ms
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 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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