CONTACTOR,MC-18A
LS Component CONTACTOR,MC-18A 24VDC,LS
LS Electric
LS Component CONTACTOR,MC-18A 24VDC,LS
Home > Products > Contactors > LS > MC-18A 24VDC Need LS CONTACTOR,MC-18A 24VDC,LS? Component for HVAC, refrigeration, motor control systems. Suppl…
Specifications
| Brand | LS |
|---|---|
| Model Number | MC-18A 24VDC |
| Official Product Name | CONTACTOR, MC-18A 24VDC, LS |
| Applicable System | HVAC, refrigeration, motor control systems |
| Product Type | Component (contactor) |
| Equivalent Standard | LS MC-18A, MC-18B, MC-18C (with different coil voltages) |
| Product Status | Active |
| Lifecycle note | Active, in production |
| Rated Operational Current (Ie) | 18 A at 380/440V (frame 18AF) |
| Coil Voltage | 24V DC |
| Coil Power Consumption | 5 VA (holding) |
| Number of Poles | 3 |
| Auxiliary Contacts | 1 NO + 1 NC |
| Terminal Capacity | 1.5 - 6 mm2 (solid/stranded) |
| Mounting Type | 35mm DIN rail or panel mount |
| Operating Temperature | -25 degC to +55 degC |
| Storage Temperature | -40 degC to +70 degC |
| Mechanical Life | 15 million operations |
| Electrical Life | 1 million operations (AC-3) |
| Standards | IEC 60947-4-1 |
| Weight | approx. 1.5 kg |
| Rated Impulse Withstand (Uimp) | 6 kV |
| Electrical Life (AC-3) | 2.5 million operations |
| Country of Origin | Korea (LS Electric) |
| Rated Insulation Voltage (Ui) | 690 V |
Product Description
30.76 USD （参考价 / est. market price）
Basic Product Information
- 24V DC coil for integration with DC control circuits
- Compact design for space-saving installation in control panels
- High durability with mechanical and electrical life exceeding 1 million operations
- Complies with IEC and UL standards for global use
- Suitable for AC-3 and AC-4 utilization categories
- 18A rated current for reliable switching of motors and resistive loads
Technical Specifications
Version & Model Difference
The LS MC-18A series includes variants with different coil voltages (e.g., 24V AC, 110V AC, 220V AC, 24V DC). The 24VDC version is specifically designed for DC control circuits, offering faster switching and lower coil power consumption compared to AC coil versions. There are no significant differences in mechanical construction or performance among the voltage variants.
Application Scenarios
- HVAC systems: controlling compressors, fans, and pumps
- Refrigeration units: switching condenser and evaporator fans
- Motor control centers: starting and stopping three-phase motors
- Industrial automation: controlling conveyors, mixers, and other machinery
- Building management systems: lighting and power control
- Retrofit and replacement: direct replacement for failed contactors in existing panels
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