Contactor 40A AC3

1. Product Overview

The 40A AC-3 Contactor is an industrial-grade electromagnetic switching device designed for reliable control of electric motors and high-power electrical loads. It is primarily used in motor starting, stopping, and switching applications across industrial and commercial electrical installations. Its robust switching performance, dependable operation, and compatibility with motor control systems make it a practical solution for demanding electrical environments. It supports operational efficiency, equipment protection, and reliable power management.

2. Key Specifications & Technical Characteristics

• Product Type: Electromagnetic AC Contactor

• Rated Operational Current: 40A (AC-3)

• Utilization Category: AC-3, for squirrel-cage motor starting and switching off during normal running

• Rated Operational Voltage: Subject to manufacturer specification

• Rated Insulation Voltage: Subject to manufacturer specification

• Control Coil Voltage: Available in different voltage configurations, subject to specification

• Contact Configuration: Typically 3-pole; configuration to be confirmed

• Contact Material: Silver-based electrical contact alloy

• Housing Material: Flame-retardant insulating engineering plastic

• Mounting: DIN rail or panel mounting, depending on model

• Physical Characteristics: Compact industrial design with mechanical switching assembly

• Packaging: Individual protective packaging and bulk export cartons

• Shelf Life: Long-term storage under dry, clean, and temperature-controlled conditions

• Origin: Subject to manufacturer and supplier specification

3. Core Industrial Applications

• Manufacturing: Controls electric motors powering production machinery, conveyors, and processing equipment.

• HVAC Systems: Supports switching and control of industrial air-conditioning compressors, pumps, and ventilation motors.

• Water Treatment: Used in motor control panels for pumping stations, filtration systems, and water distribution networks.

• Agriculture: Controls irrigation pumps, grain handling equipment, and agricultural processing machinery.

• Construction: Supports electrical control systems for industrial machinery, compressors, and material handling equipment.

• Power Distribution: Integrated into motor control centres, electrical panels, and automated switching systems.

Its AC-3 utilization rating makes it suitable for frequent motor starting and normal running-current interruption, offering dependable switching performance for industrial motor control applications.

4. Competitive Advantages

• Reliable Performance: Designed for consistent electromagnetic switching in demanding industrial environments.

• Operational Durability: Robust contact and insulation systems support dependable service life.

• Quality Consistency: Suitable for standardized industrial electrical installations, subject to manufacturer quality certification.

• Supply Reliability: Available for bulk procurement and industrial project requirements.

• Logistics Capability: Supports consolidated export shipments and containerized bulk orders.

• Price Competitiveness: Attractive sourcing potential for wholesalers, electrical contractors, distributors, and industrial buyers.

• Technical Documentation: Manufacturer datasheets, wiring diagrams, and compliance documentation available upon request.

• Installation Flexibility: Compatible with appropriately rated motor starters and electrical control panel assemblies.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk 20 MT

• Loading Capacity: Subject to product dimensions, packaging configuration, and container specifications.

• Packaging: Individual protective packaging with bulk export carton options.

• Supply Availability: Bulk industrial and wholesale supply.

• Shipping: Export-ready packaging with containerized shipment arrangements.