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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LC1D50A |
| Alternative Part Number | LC1D50A |
| Manufacturer | Schneider |
| Product Type | Contactor |
| Utilisation Category | AC-1, AC-3, AC-3e, AC-4 |
| Poles Description | 3P (3 NO) |
| Rated Operational Voltage (Ue) | Power circuit: <= 690 V AC 25...400 Hz, Power circuit: <= 300 V DC |
| Rated Operational Current (Ie) | 50 A (at <60°C) at <= 440 V AC AC-3 for power circuit |
| Motor Power kW | Up to 33 kW at 660...690 V AC 50/60 Hz (AC-3) |
| Motor Power HP (UL/CSA) | Up to 40 hp at 575/600 V AC 50/60 Hz for 3 phase motors |
| Control Circuit Voltage (Uc) | 24 V AC 50/60 Hz |
| Coil Technology | Without built-in suppressor module |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV conforming to IEC 60947 |
| Overvoltage Category | III |
| Rated Insulation Voltage (Ui) | Power circuit: 600 V UL certified, Signalling circuit: 690 V conforming to IEC 60947-1 |
| Electrical Durability | 1.45 Mcycles for 50 A AC-3 at Ue <= 440 V |
| Mechanical Durability | 6 Mcycles |
| Connections - Terminals | EverLink BTR screw connectors, screw clamp terminals |
| Tightening Torque | Control circuit: 1.7 N.m, Power circuit: 8 N.m |
| Operating Time | 4...19 ms opening, 12...26 ms closing |
| Safety Reliability Level | B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1 |
| Height | 122 mm |
| Width | 55 mm |
| Depth | 120 mm |
| Net Weight | 0.855 kg |
| Standards | IEC 60947-4-1, IEC 60947-5-1, UL 508, CSA C22.2 No 14 |
| Product Certifications | DNV, GL, LROS, CCC, GOST, BV, RINA, CSA, UL |
| IP Degree of Protection | IP20 front face conforming to IEC 60529 |
| Ambient Operating Temperature | -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, contactor closed 4 Gn, Shocks: contactor closed 15 Gn |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | REACh Declaration, REACh free of SVHC Yes |
| EU RoHS Directive | Compliant |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | End Of Life Information |
| PVC Free | Yes |
The Schneider LC1D50A is a robust and reliable 3 pole contactor, designed to facilitate the control of electric motors and resistive loads in a wide array of industrial applications. With an AC rated coil of 230V, this contactor is capable of handling operational currents up to 50A and motor power up to 40HP at 480VAC in a 3 phase system, making it a versatile choice for various power management tasks.
Crafted with precision, the LC1D50A features a non-reversing design and is equipped with three normally open (NO) contacts, ensuring efficient connectivity and disconnection. The contactor is compliant with international standards, including the EU's RoHS Directive, which confirms its construction free from hazardous substances like mercury and toxic heavy metals, aligning with environmental and safety regulations.
The device boasts a compact form factor, with dimensions that allow for easy installation and integration into existing systems without demanding excessive space. Its coil technology is engineered without a built-in suppressor module, ensuring straightforward operation and maintenance.
The LC1D50A is also characterised by its mechanical durability and resistance to challenging environmental conditions, including a wide range of operating temperatures and altitudes. Its robust construction is designed to withstand vibrations and shocks, ensuring long-term reliability in demanding industrial settings.
This contactor is a Green Premium product, reflecting Schneider Electric's commitment to sustainability and environmental responsibility. It is designed for a circular life cycle, with end-of-life disposal instructions that adhere to European Union waste collection guidelines, ensuring it does not contribute to landfill waste.
Overall, the Schneider LC1D50A contactor is a high-performance solution for industrial power management, offering reliability, durability, and compliance with environmental standards.
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Frequently Asked Questions
What is the utilisation category of this contactor?
The contactor is suitable for a variety of utilisation categories including AC-1, AC-3, AC-3e, and AC-4, making it versatile for resistive loads and motor control applications.
Can this contactor be used for controlling motors?
Yes, this contactor is designed for motor control applications and can handle significant motor power ratings across various voltages.
What is the rated operational current of this contactor?
The rated operational current for this contactor is 50A for power circuits under AC-3 utilisation at less than 60°C at voltages up to 440V AC.
What type of coil voltage does this contactor support?
This contactor is equipped with an AC coil that operates at a control circuit voltage of 230V AC, 50/60 Hz.
What are the dimensions of this contactor?
The contactor has a width of 55mm, a height that varies depending on the presence of add-on blocks or covers, and a standard depth of 120mm.
What is the IP degree of protection for this contactor?
The contactor has an IP20 degree of protection for the front face, conforming to IEC 60529 standards.
What is the thermal current rating for the signalling circuit?
The conventional free air thermal current rating for the signalling circuit is 10A at 60°C.
What type of contacts does this contactor have?
This contactor features 3 normally open (NO) pole contact compositions, suitable for making connections in a power circuit.
Is this contactor suitable for use at high altitudes?
Yes, this contactor can operate at altitudes up to 3000 metres without derating, ensuring reliable performance in various installation environments.
What is the maximum motor power rating for this contactor?
The contactor can control motors with power ratings up to 40Hp at 460/480 V AC for 3 phase motors, making it suitable for high-power applications.
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