New Original Schneider LC1D38BD LC1D 38A DC24V Coil Contactor
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New Original Schneider LC1D38BD TeSys Deca Electromagnetic Contactor
1. Product Overview
LC1D38BD is an authentic original 3-pole electromagnetic contactor from Schneider Electric’s classic TeSys Deca LC1D product range. It is configured with a 24V DC control coil and rated 38A under AC-3 load category, widely adopted for starting, stopping and switching three-phase asynchronous motors as well as various AC resistive and inductive loads in industrial automation equipment, machine tools, water pump stations, ventilation HVAC systems, conveyor machinery and low-voltage electrical control cabinets.
This contactor is equipped with three main normally open power contacts and fixed built-in 1NO+1NC auxiliary contacts. Under 400V AC power grid condition, it can drive three-phase motors with maximum power of 18.5kW. The built-in freewheeling diode inside the DC coil effectively absorbs induced voltage surges during coil power-off, protecting front-end PLC output modules and control circuit components from voltage impact. It supports standard 35mm DIN rail mounting and panel screw fixing modes, and can be freely assembled with thermal overload relays, auxiliary contact blocks, mechanical interlocks, time delay attachments and other TeSys series accessories to assemble complete direct-on-line motor starters or forward-reverse motor control systems. With stable performance, long service life and full global electrical certifications, it serves as a mainstream core control component for general industrial low-voltage power loops.
2. Main Functions
- Remote Automatic Motor & Load Switching Control
After applying 24V DC voltage to the electromagnetic coil, the internal electromagnet pulls the movable contact assembly downward to close the main circuit contacts for power supply connection; cutting off coil DC power will release the contacts to disconnect the main circuit. It realizes unattended remote start-stop control of three-phase motors, and switching functions for heating elements, fans, lighting loads and other electrical equipment.
- Operation Status Feedback via Auxiliary Contacts
The integrated 1 normally open and 1 normally closed auxiliary contacts act synchronously with main contacts. They transmit pull-in or release signals to programmable logic controllers, indicator lamps and electrical interlock circuits to achieve logic interlock and running state monitoring.
- Efficient Arc Extinguishing for Contact Protection
Each pole is fitted with an independent sealed arc extinguishing chamber. It rapidly cools, decomposes and extinguishes electric arcs generated during circuit breaking, preventing arc ablation and welding of silver alloy contacts, greatly extending the service life under frequent switching working conditions.
- Rich Expandable Accessory Compatibility
Multiple functional accessories can be installed on the top and side positions of the contactor, including time delay modules, additional auxiliary contact blocks, mechanical interlock devices and surge suppressors, to realize delayed switching, multi-channel signal feedback and forward-reverse rotation interlock control.
- DC Coil Anti-interference & Surge Suppression
The internal freewheeling diode eliminates back EMF generated when the DC coil is de-energized, avoiding damage to precision control devices in the preceding control circuit and improving the stability of automatic control systems.
- Finger-safe Indoor Protection Design
IP20 protection grade prevents operators from accidentally touching internal live conductive parts during routine inspection and maintenance inside electrical cabinets.
3. Technical Characteristics
| Technical Parameter | Detailed Specification |
|---|---|
| Complete Model | LC1D38BD |
| Product Series | TeSys Deca LC1D AC Contactor with DC Coil |
| Main Contact Configuration | 3 Poles, 3 Normally Open Main Contacts |
| Built-in Auxiliary Contacts | 1 NO + 1 NC |
| Rated Operational Current (AC-3, 440V AC) | 38 A |
| Rated Resistive Load Current (AC-1) | 50 A |
| Matched Motor Power (400V AC Three-phase) | 18.5 kW |
| Control Coil Rated Voltage | 24 V DC |
| Maximum Main Circuit Operating Voltage | 690 V AC |
| Rated Insulation Voltage | 1000 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Allowable Maximum Switching Frequency | 3600 times per hour |
| Mechanical Endurance Life | 10,000,000 operation cycles |
| Electrical Endurance Life (AC-3 Working Condition) | 800,000 operation cycles |
| Protection Degree | IP20 |
| Operating Ambient Temperature | -20 ℃ ~ +60 ℃ |
| Storage Temperature Range | -40 ℃ ~ +70 ℃ |
| Installation Methods | 35mm DIN rail mounting, panel screw fixing |
| Wiring Terminal Form | Screw clamping terminals |
| Applicable Standards | IEC 60947-4-1, UL508, CCC, CSA, RoHS Compliance |
| Housing Flame Retardant Grade | UL94 V0 high temperature resistant engineering plastic |
Core Technical Advantages
- Optimized DC coil structure with low power consumption and built-in surge absorption circuit, strong anti-electromagnetic interference capacity;
- Silver cadmium alloy contacts featuring excellent anti-welding and wear resistance for long-term stable switching;
- Unified modular overall dimension of the entire LC1D series, convenient for compact layout inside distribution cabinets;
- Perfect matching with TeSys thermal relays to build integrated motor overload and short-circuit protection systems;
- Stable performance under vibration environment, applicable to mobile machinery and workshop production lines.
4. Product Dimensions and Weight
External Overall Dimensions (Unit: mm)
| Dimension Item | Size Value |
|---|---|
| Total Height | 85 |
| Total Width | 57 |
| Total Depth | 90 |
Weight Data
| Weight Category | Specific Value |
|---|---|
| Single Unit Net Weight | 625 g |
| Original Packaged Gross Weight | 660 g |
5. 10 Schneider LC1D Series DC Coil Contactors with Similar Functions
All items below belong to TeSys Deca LC1D 3-pole DC coil contactors, used for motor drive and load switching, adopting identical installation structure and expandable accessory system, differing in rated current and DC coil voltage:
- LC1D09BD 3P 9A, 24V DC Coil Contactor
- LC1D12BD 3P 12A, 24V DC Coil Contactor
- LC1D18BD 3P 18A, 24V DC Coil Contactor
- LC1D25BD 3P 25A, 24V DC Coil Contactor
- LC1D32BD 3P 32A, 24V DC Coil Contactor
- LC1D38JD 3P 38A, 12V DC Coil Contactor
- LC1D38KD 3P 38A, 48V DC Coil Contactor
- LC1D40ABD 3P 40A, 24V DC Coil Contactor
- LC1D50ABD 3P 50A, 24V DC Coil Contactor
- LC1D38MD 3P 38A, 220V DC 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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