Allen-Bradley 500F-FOD930 NEMA Size 5 Top Wired Contactor

Product Overview

The Allen-Bradley 500F-FOD930 constitutes a heavy-duty NEMA Size 5 magnetic contactor designed for high-horsepower motor starting and power switching applications. Featuring a top-wired configuration for streamlined cabinet integration, this Open Type unit handles rigorous industrial duty cycles with precision. We supply this contactor as 100% Brand New and Original, ensuring your critical power circuits utilize genuine hardware that meets all original manufacturer performance curves and safety ratings.

Technical Specifications

Engineering Advantages

• Optimized Top-Wired Architecture: The 500F-FOD930 utilizes a top-wired design, which places all power terminals on the upper section of the unit. This configuration simplifies wiring in deep enclosures and allows for cleaner cable management when integrating the contactor into large motor control centers (MCC).

• High-Capacity Power Switching: As a NEMA Size 5 unit, this contactor controls massive electrical loads across three power poles. The robust contact alloy resists pitting and welding under high inrush currents, extending the service life of the contacts even in high-inertia motor starting scenarios.

• Stable Magnetic Actuation: The dual-frequency 110/120VAC coil ensures positive armature seating. This stable magnetic pull reduces "chatter" and humming, protecting the auxiliary contacts from mechanical fatigue and ensuring reliable feedback to the PLC or safety interlock circuit.

• Rugged Open-Type Frame: The open-frame construction facilitates maximum heat dissipation during continuous duty cycles. This design permits installation within customized, ventilated control panels where airflow remains critical for preventing thermal buildup in high-amperage environments.

FAQs

• Does this unit include an integrated overload relay?

  The 500F-FOD930 is the contactor portion of the assembly. To create a full motor starter, you must pair it with a compatible NEMA Size 5 overload relay. We recommend verifying the full-load amps (FLA) of your motor before selecting the appropriate heater elements or electronic overload.

• Can I mount this contactor in any orientation?

  For optimal performance, mount the contactor on a vertical surface. Horizontal mounting can affect the gravity-assisted release of the armature, potentially altering the drop-out time or causing uneven contact wear.

• How do I verify the integrity of the 120V coil?

  Check the resistance across the coil terminals with a multimeter. Since this is a Brand New unit, the coil should match the factory-specified Ohmic value exactly. Ensure your control transformer provides a stable 110/120VAC to prevent coil burnout or intermittent engagement.

• Is the auxiliary contact replaceable?

  Yes, the 500F-FOD930 allows for the replacement or addition of auxiliary contact blocks. The standard configuration provides one N.O. contact, but you can add more to accommodate additional signaling or interlocking requirements.