The ABB HC SA-1-2 (incorporating part numbers 3AXD50000104758 and 3AUA0000014759D) is a high-performance industrial contactor designed for reliable switching in demanding automation and motor control environments. This component is engineered to handle high-frequency switching operations while maintaining long-term electrical and mechanical durability. It integrates seamlessly with AX series architectures, providing a robust solution for power circuit control.
Product Technical Description
This device belongs to the AX09/AX25 family of contactors, specifically optimized for compact installations without compromising breaking capacity. It features a high-efficiency electromagnetic coil and high-grade silver alloy contacts to minimize electrical resistance and heat generation. Its modular design allows for the easy addition of auxiliary contact blocks and protection accessories, ensuring versatile integration into existing control systems.
Data Sheet and Parameters
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Model Number: HC SA-1-2 / AX09 / AX25
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Global ID: 3AXD50000104758 / 3AUA0000014759D
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Product Code: 1SBB902629P1101
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Rated Operational Current (AC-3): 9A to 25A (depending on specific configuration)
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Rated Operational Voltage: Up to 690V AC
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Control Coil Voltage: Standard industrial voltages (e.g., 24V DC, 110V/220V AC)
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Number of Poles: 3 Main Poles
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Mechanical Durability: 10 million cycles
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Mounting Type: DIN Rail or Screw Mounting
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Degree of Protection: IP20
Country of Origin
France / Estonia (Depending on the specific manufacturing batch and regional distribution center).
Application Areas
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Motor Control: Ideal for starting and stopping induction motors in fans, pumps, and conveyors.
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HVAC Systems: Used for switching compressors and heater banks.
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Industrial Automation: Integrated into PLC-controlled distribution panels.
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Power Distribution: Effective for switching resistive loads and lighting circuits.
Product Usage Instructions
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Installation: Ensure the power supply is disconnected before mounting. Fix the unit onto a standard 35mm DIN rail or secure it to the backplate using screws.
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Wiring: Connect the main power lines to terminals L1, L2, L3 and the load to T1, T2, T3. Ensure torque settings follow ABB’s specified limits to prevent terminal overheating.
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Coil Connection: Apply the correct control voltage to terminals A1 and A2. Using an incorrect voltage will damage the internal coil.
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Testing: Perform a manual toggle test (if applicable) and a dry run (without load) to verify the switching logic before full commissioning.
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Maintenance: Periodically inspect contacts for signs of pitting or carbon buildup and ensure all connections remain tight.
Q&A – Frequently Asked Questions
Q: Can this contactor be used for DC motor applications? A: While primarily designed for AC-3 applications, it can be used for certain DC loads; however, de-rating factors must be applied according to the DC voltage and current specs.
Q: Is it compatible with thermal overload relays? A: Yes, the AX series is designed to be coupled directly with T16 or similar thermal overload relays for comprehensive motor protection.
Q: What is the main difference between the AX09 and AX25 designations in this listing? A: The listing refers to a range of compatible frames; the AX09 is rated for 9A (AC-3), while the AX25 is a more robust frame rated for 25A. Users should verify the specific amperage required for their load.
Similar Models Recommended
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ABB AX12-30-10: A 12A 3-pole contactor for mid-range motor loads.
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ABB AX18-30-01: An 18A variant often used when auxiliary NC contacts are required.
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ABB AF09-30-10: The AF series version featuring a wide voltage range electronic coil.
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ABB AX32-30-10: A higher-capacity 32A contactor for larger industrial pumps.
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ABB A9-30-10: The classic legacy series contactor with similar mounting footprints.
