AX Series Motor Contactor (Model AX 185~205A)
Product Introduction
The AX Series Motor Contactor (Model AX 185~205A) is a robust electrical component designed for reliable motor protection and control in industrial applications. Engineered to meet IEC 60947 standards, this contactor features 3 NO main contacts and 1 NO/1 NC auxiliary contact configuration, suitable for main circuits up to 1000V. With a rated operational current of 185A (AC-3, 415V at 55°C), it ensures efficient power switching for motors up to 90kW. The contactor’s durable design includes a plastic housing, IP40 protection for auxiliary terminals, and mechanical durability of 5 million operations, making it ideal for heavy-duty environments.
Product Features
Electrical Specifications:
Main Circuit: 1000V rated operational voltage, 250A conventional thermal current (Ith).
AC-3 Rating: 185A at 415V (55°C), supporting motors up to 90kW.
Short-time Withstand Current: 1800A (1s), 1200A (10s) for fault protection.
Insulation & Impulse Voltage: 690V (Ui), 8kV (Uimp) for safety.
Contact Configuration:
3 NO main contacts, 1 NO + 1 NC auxiliary contacts for control signaling.
Rated making/breaking capacity: 10x/8x Ie (AC-3) for reliable switching.
Mechanical & Environmental:
Durability: 5 million mechanical operations, 300 cycles/hour electrical switching.
Protection Class: IP40 for auxiliary terminals, suitable for industrial environments.
Temperature Range: Operates at -25°C to +70°C (coil), -40°C to +60°C (ambient).
Physical Dimensions:
111.5mm (W) x 162.3mm (D) x 196mm (H), 3.2kg net weight.
Main circuit terminals: Bar type for secure wiring.
Control Circuit:
Coil voltage: 400-415V (50Hz), 415-440V (60Hz), with ±10% tolerance.
Mechanical switching frequency: 3600 cycles/hour for high-duty cycles.
Standards & Certifications:
Complies with IEC 60947-4-1, VDE 0110, and EN 60529 standards.
cUL and CE certified for global industrial use.
Application Suitability:
Ideal for motor control in pumps, fans, compressors, and conveyor systems.
Supports variable voltage/frequency drives with transient protection features.
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