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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LC1D50BD |
| Manufacturer | Schneider Electric |
| Product Type | Contactor |
| Contactor Application | Motor control, Resistive load |
| Utilisation Category | AC-1, AC-2, AC-3, AC-4 |
| Control Circuit Type | DC standard |
| Poles Description | 3 Pole |
| Pole Contact Composition | 3 NO (Normally Open) |
| Rated Operational Current | 50 A at <= 440 V AC AC-3, 80 A at <= 440 V AC AC-1 |
| Motor Power kW (AC-3) | 22 kW at 380...400 V, 25 kW at 415 V, 30 kW at 440 V, 30 kW at 500 V, 33 kW at 660...690 V |
| Motor Power kW (AC-4) | 11 kW at 400 V, 30 kW at 1000 V |
| Motor Power hp (AC-3) | 15 hp at 200/208 V, 15 hp at 230/240 V, 40 hp at 460/480 V, 40 hp at 575/600 V |
| Control Circuit Voltage | 24 V DC |
| Connection Terminals | Screw clamp terminals for control and power circuits with varying cable stiffness and types |
| Rated Insulation Voltage | 600 V for control circuit, 690 V for power circuit |
| Rated Impulse Withstand Voltage | 8 kV |
| Operational Voltage | Power circuit <= 690 V AC 25...400 Hz |
| Thermal Current | 10 A for control circuit, 80 A for power circuit at 140 °F (60 °C) |
| Making Capacity | 250 A for control circuit, 900 A at 440 V for power circuit |
| Breaking Capacity | 900 A at 440 V for power circuit |
| Associated Fuse Rating | 10 A gG for control circuit, 100 A gG <= 690 V for power circuit |
| Power Dissipation Per Pole | 3.7 W AC-3, 9.6 W AC-1 |
| Operating Time | 20 ms for opening, 50 ms for closing |
| Mechanical Durability | 10 million cycles |
| Operating Rate | Up to 3600 cyc/h at 140 °F (60 °C) |
| Insulation Resistance | > 10 MOhm for control circuit |
| Dimensions | Height: 5.00 in (127 mm), Width: 3.35 in (85 mm), Depth: 6.93 in (176 mm) |
| Net Weight | 4.82 lb(US) (2.185 kg) |
The Schneider LC1D50BD is a robust and reliable contactor designed to facilitate the control of electric motors and resistive loads in a wide array of industrial applications. This three-pole contactor is engineered to handle operational currents up to 50 A at 440 V AC in AC-3 utilisation category, making it suitable for a diverse range of operating environments.
Crafted with a DC standard control circuit and featuring a 24 V DC control circuit voltage, the LC1D50BD ensures consistent performance and easy integration into existing systems. Its pole contact composition consists of 3 NO (Normally Open) contacts, which are essential for the majority of power circuit applications.
The contactor is capable of managing motor power up to 30 kW at 440 V AC 50/60 Hz in AC-3, which translates to a high level of efficiency and reliability in motor control tasks. Additionally, it can handle motor power up to 40 hp at 460/480 V AC 60 Hz for three-phase motors, demonstrating its versatility in various industrial settings.
Schneider's LC1D50BD is designed with user safety and equipment protection in mind, featuring an IP2x degree of protection conforming to IEC 60529 and VDE 0106 standards. This ensures that the contactor is safeguarded against ingress of solid foreign objects, adding an extra layer of durability.
The contactor's construction adheres to international standards, including EN 60947-4-1, EN 60947-5-1, IEC 60947-4-1, IEC 60947-5-1, UL 508, and CSA C22.2 No 14, which certifies its quality and suitability for global industrial use.
With a commitment to sustainability, the LC1D50BD is part of Schneider Electric's Green Premium product range, ensuring compliance with environmental regulations and standards. This contactor is an excellent choice for businesses looking to enhance their operational efficiency while maintaining a focus on environmental responsibility.
Commonly Asked Questions
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Frequently Asked Questions
What type of applications is this contactor suitable for?
This contactor is designed for motor control and resistive load applications, making it suitable for a wide range of industrial uses, including starting and stopping motors and managing electrical circuits.
Can this contactor be used with different utilisation categories?
Yes, it is versatile and can be used across various utilisation categories such as AC-1, AC-2, AC-3, and AC-4, which cover non-inductive or slightly inductive loads, starting of slip-ring motors, starting and stopping of squirrel cage motors and control of high inductive loads respectively.
What is the rated operational current of this contactor?
The rated operational current for this contactor is 50 A for AC-3 power circuits and 80 A for AC-1 power circuits at a temperature of up to 60°C and a voltage of up to 440 V AC.
What is the control circuit voltage for this contactor?
The control circuit voltage for this contactor is 24 V DC, which is standard for many industrial control systems.
What are the dimensions of this contactor?
The dimensions of the contactor are approximately 127 mm in height, 85 mm in width, and 176 mm in depth.
What type of connections does this contactor support?
The contactor supports screw clamp terminals for both control and power circuits, accommodating a range of cable sizes and types with varying stiffness.
What is the coil technology used in this contactor?
The contactor utilises a built-in bidirectional peak limiting diode suppressor for its coil technology, which helps to manage voltage spikes and enhances the contactor's performance.
What is the IP degree of protection for this contactor?
The contactor has an IP degree of protection of IP2x, which indicates that it is protected against solid objects larger than 12.5 mm but not against liquids.
What is the maximum operating altitude for this contactor?
The contactor can operate at altitudes up to 3000 meters without derating, making it suitable for installations in various geographical locations.
What is the flame retardance rating of this contactor?
The contactor has a flame retardance rating of V1 conforming to UL 94, which means it is capable of withstanding certain levels of flammability tests.
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