100-A09NA3 Allen-Bradley Contactor modular

Description

100-A09NA3 Allen-Bradley Contactor modular

Product Dimensions：

Product Description

The 100-A09NA3 is an AC magnetic contactor designed for full-voltage, non-reversing applications. It features a 3-pole configuration, meaning it has three main power contacts that switch the three phases of an AC supply. It also includes one normally open (N.O.) auxiliary contact, which can be used for control circuit feedback or interlocking. The “NA3” in the part number indicates specific coil voltage and auxiliary contact configuration.

Product Parameters

Here are the key specifications for the Allen-Bradley 100-A09NA3:

• Product Series: Bulletin 100-A (IEC Contactor)
• Contactor Type: Non-Reversing
• Number of Poles: 3 (for controlling 3-phase loads)
• Rated Current (AC-3, inductive load): 9 A (Amperes)
• Maximum Voltage: 600V AC
• Coil Voltage: 220V AC at 50Hz / 240V AC at 60Hz (Dual frequency coil)
• Auxiliary Contacts: 1 N.O. (Normally Open)
• Motor Ratings (Typical):
  • 2 HP at 200V AC
  • 2 HP at 230V AC
  • 5 HP at 460V AC
  • 7.5 HP at 575V AC
• Mounting: DIN Rail or Screw Mount
• Standards/Certifications: Meets IEC, UL, CSA standards requirements. RoHS compliant.
• IP Protection: Typically IP2X finger protection

Product Advantages

The 100-A09NA3 offers several advantages for motor control and switching applications:

• Reliable Performance: As an Allen-Bradley product, it’s built for durability and consistent operation in demanding industrial environments.
• Space-Saving Design: IEC contactors are generally more compact than their NEMA counterparts, saving valuable panel space.
• Versatile Coil: The 220/240V AC dual-frequency coil simplifies selection and can be used in regions with different AC frequencies (50Hz or 60Hz).
• Integrated Auxiliary Contact: The built-in N.O. auxiliary contact simplifies wiring for control circuits, eliminating the need for separate add-on blocks for basic feedback.
• Easy Integration: Designed to integrate seamlessly with other Allen-Bradley motor control components like Bulletin 193 Overload Relays and Bulletin 140M Motor Protection Circuit Breakers, forming complete motor starters.
• Global Compliance: Compliance with IEC, UL, and CSA standards makes it suitable for use in various international applications.

Precautions

When installing, operating, or maintaining the 100-A09NA3 contactor, keep the following precautions in mind:

• Electrical Hazard: Always disconnect and lock out/tag out power before performing any installation, wiring, or maintenance on the contactor or associated control circuits. Contactors operate with potentially lethal voltages.
• Proper Sizing: Ensure the contactor’s current and voltage ratings are appropriate for the specific motor or load it will control. Undersizing can lead to premature failure.
• Overload Protection: A contactor only switches power; it does not provide overload protection for the motor. Always use an appropriately sized overload relay (e.g., Allen-Bradley Bulletin 193) in series with the contactor to protect the motor from overcurrents.
• Wiring: Follow all wiring diagrams and local electrical codes. Ensure correct wire gauges are used for the rated current. Secure all connections to prevent loose contacts and overheating.
• Environmental Conditions: Install the contactor in an environment that is within its specified operating temperature range and protected from excessive dust, moisture, and corrosive atmospheres.
• Auxiliary Contacts: Ensure auxiliary contacts are wired correctly for their intended control functions (e.g., interlocking, status indication).
• Maintenance: Regularly inspect the contactor for signs of wear, discoloration, or loose connections. Replace the unit if contacts show significant pitting or wear.

Product Applications

The Allen-Bradley 100-A09NA3 contactor is a workhorse in industrial automation and is commonly used in applications requiring the switching of electrical loads, especially motors. Typical applications include:

• Motor Control:
  • Starting and stopping small to medium-sized 3-phase AC motors (e.g., pumps, fans, conveyors, compressors).
  • Direct-on-line (DOL) motor starters when paired with an overload relay.
• Lighting Control: Switching large lighting banks in industrial or commercial buildings.
• Heating Loads: Controlling industrial heaters or ovens.
• Transformer Switching: Activating or deactivating power to control transformers.
• Power Distribution: As a switching device in various power distribution circuits.
• General Purpose Switching: Any application requiring reliable, high-current switching of AC loads within its voltage and current ratings.

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