New Original Schneider LC1D50AF7C LC1D 50A AC110V Coil Contactor
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New Original Schneider LC1D50AF7C TeSys Deca Electromagnetic Contactor
1. Product Overview
LC1D50AF7C is an authentic original 3-pole AC electromagnetic contactor manufactured by Schneider Electric, categorized under the classic TeSys Deca LC1D series. This model is equipped with an 110V AC control coil and features a rated operational current of 50A under AC-3 utilization category. It serves as a core switching component widely used to control the start, stop and forward-reverse rotation of three-phase asynchronous motors, as well as the on-off switching of inductive and resistive AC loads in machine tools, water pump stations, HVAC ventilation equipment, automated assembly lines, packaging machinery and general industrial low-voltage control cabinets.
The contactor is configured with three main normally open power contacts and fixed built-in 1NO + 1NC auxiliary contacts for signal transmission. When powered by a 400V AC three-phase grid, it can drive three-phase motors with a maximum rated power of 22kW. The AC coil adopts optimized electromagnetic design with low noise during operation and strong anti-vibration performance. It supports two standard installation methods: 35mm DIN rail mounting and direct panel screw fastening. Users can flexibly assemble thermal overload relays, auxiliary contact blocks, mechanical interlock modules, time delay attachments and other TeSys series accessories together with this contactor to build complete motor starter systems with overload protection, electrical interlock and running status monitoring functions. Complying with multiple international electrical safety and environmental standards, it delivers stable long-term performance for frequent switching industrial scenarios.
2. Main Functions
- Remote Automatic On/Off Control for Motors and AC Loads
Applying 110V AC voltage to the built-in coil generates electromagnetic suction to close the main power contacts and energize downstream loads or motors. Cutting off the coil power supply triggers the internal reset spring to separate contacts and disconnect the main circuit. This mechanism realizes remote unattended start-stop control of three-phase motors and switching management of heating pipes, fans, lighting fixtures and other electrical equipment.
- Synchronous Working Status Feedback via Auxiliary Contacts
The integrated one normally open and one normally closed auxiliary contacts act synchronously with the main contacts. They transmit contactor pull-in or release signals to PLC systems, indicator lamps and interlock circuits, which facilitates equipment running monitoring and logic interlock control within the whole automation loop.
- Arc Extinguishing Protection for Power Contacts
Each pole is fitted with an independent sealed arc extinguishing chamber. It rapidly cools, decomposes and eliminates electric arcs generated during contact separation, effectively avoiding arc ablation, contact welding and wear of silver alloy contact tips, greatly extending the service life under frequent switching cycles.
- Diversified Function Expansion with Optional Accessories
Additional functional modules can be installed on the top and side positions of the contactor, including extra auxiliary contact units, mechanical interlock devices for forward-reverse motor control, time delay modules and surge absorption components, to meet diversified customized control demands.
- Low Noise & Stable AC Coil Operation
The AC coil is equipped with shading coils to eliminate electromagnetic vibration noise, ensuring quiet and reliable operation even under continuous working conditions in production workshops.
- Finger-Safe Indoor Protection Design
IP20 protection level prevents maintenance personnel from accidentally touching internal live conductive parts inside electrical cabinets, meeting global industrial electrical safety specifications.
3. Technical Characteristics
| Technical Parameter | Detailed Specification |
|---|---|
| Full Model | LC1D50AF7C |
| Product Series | TeSys Deca LC1D 3-Pole AC Contactor |
| Main Contact Arrangement | 3 Poles, 3 Normally Open Main Contacts |
| Built-in Auxiliary Contacts | 1 NO + 1 NC |
| Rated Operational Current (AC-3, 440V AC) | 50 A |
| Rated Resistive Load Current (AC-1) | 80 A |
| Applicable Three-Phase Motor Power (400V AC) | 22 kW |
| Rated Control Coil Voltage | 110 V AC 50/60 Hz |
| Maximum Allowable Main Circuit Voltage | 690 V AC |
| Rated Insulation Voltage | 1000 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Maximum Permissible Switching Frequency | 3600 operating cycles per hour |
| Mechanical Service Life | 10,000,000 cycles |
| Electrical Service Life (AC-3 working condition) | 600,000 cycles |
| Protection Degree | IP20 |
| Operating Ambient Temperature | -20 ℃ ~ +60 ℃ |
| Storage Temperature Range | -40 ℃ ~ +70 ℃ |
| Installation Methods | 35mm DIN rail mounting, panel screw fixation |
| Wiring Terminal Structure | Screw clamping terminals |
| Compliance Standards | IEC 60947-4-1, UL508, CCC, CSA, RoHS, REACH |
| Housing Flame Retardant Grade | UL94 V0 high-temperature resistant engineering plastic |
Core Technical Advantages
- Shaded-pole AC coil structure reduces running noise and anti-vibration performance is excellent;
- Silver alloy contacts with outstanding anti-welding, wear-resistant and conductive properties;
- Unified modular dimensions across the entire LC1D series for neat and compact cabinet layout;
- Perfect matching with TeSys thermal relays to form integrated motor overload protection assemblies;
- Strong environmental adaptability, stable performance in dusty and slightly vibrating industrial workshop environments.
4. Product Dimensions and Weight
Overall External Dimensions (Unit: Millimeter)
| Dimension Item | Size |
|---|---|
| Total Height | 97 |
| Total Width | 72 |
| Total Depth | 102 |
Weight Data
| Weight Category | Value |
|---|---|
| Single Unit Net Weight | 865 g |
| Original Individual Packaged Gross Weight | 905 g |
5. 10 Schneider LC1D Series AC Coil Contactors with Similar Functions
All products listed below are 3-pole AC electromagnetic contactors of TeSys Deca LC1D series, used for motor control and AC load switching, sharing identical installation structure and expandable accessory system; differences lie in rated current and AC coil voltage:
- LC1D09F7C 3P 9A, 110V AC Coil Contactor
- LC1D18F7C 3P 18A, 110V AC Coil Contactor
- LC1D25F7C 3P 25A, 110V AC Coil Contactor
- LC1D32F7C 3P 32A, 110V AC Coil Contactor
- LC1D40AF7C 3P 40A, 110V AC Coil Contactor
- LC1D65AF7C 3P 65A, 110V AC Coil Contactor
- LC1D50M7C 3P 50A, 220V AC Coil Contactor
- LC1D50Q7C 3P 50A, 380V AC Coil Contactor
- LC1D80F7C 3P 80A, 110V AC Coil Contactor
- LC1D38F7C 3P 38A, 110V AC Coil Contactor
WHO WE ARE
Sobre nosotros
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
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