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ABB AF52 40-00-13 4-Pole Contactor 

1. Key Parameters

• Product Model: AF52 40-00-13
• Product Series: ABB AF-Series Industrial 4-Pole Contactors (Three-Phase Four-Wire Control)
• Core Function: 4-pole main contacts (3 power poles + 1 neutral pole); AC coil; DIN rail mounting; compatible with ABB TA-series overload relays.

2. Core Features

• 4-Pole Design: Includes 3 power poles + 1 neutral pole, ideal for three-phase four-wire systems (e.g., motors with neutral grounding) to ensure balanced current distribution.
• High Breaking Capacity: 100kA breaking capacity safely handles short-circuit currents, preventing contact welding or equipment damage.
• Relay Compatibility: Seamlessly pairs with ABB TA-series overload relays for integrated overload + short-circuit protection of motors.
• Industrial Durability: -25℃~+60℃ operating range and robust housing resist vibration, dust, and temperature fluctuations in harsh environments.

3. Application Fields

• Three-Phase Motor Control: Controls 40A-rated motors (e.g., 15kW~22kW, 400V) in conveyor lines, mixers, and pumps, with overload relay pairing for protection.
• Industrial Power Distribution: Switches three-phase four-wire power loops in factory distribution cabinets, ensuring safe power supply to downstream equipment.
• HVAC Systems: Manages three-phase heating elements or large fan motors in commercial building HVAC systems (e.g., central air conditioners).

4. Precautions

• Compatibility: Match coil voltage to system voltage (e.g., AC 230V/400V); pair exclusively with ABB TA-series overload relays for optimal protection.
• Electrical Limits: Do not exceed 40A rated current (AC-3) to avoid contact overheating; ensure circuit voltage ≤690V.
• Installation: Secure DIN rail mounting; torque power terminals to 2.5~3 N·m (copper cables) for reliable contact; ensure adequate ventilation (min 10mm clearance around the unit).
• Maintenance: Inspect main contacts annually for arcing/oxidation; replace if contact wear exceeds 1mm; clean coil terminals to prevent poor energization.
• Spare Parts: Use genuine ABB AF52 40-00-13 components—non-genuine contactors may have weak breaking capacity, leading to circuit failures.

The structure and details of the product：

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