GE UR-RHH l/O scanner

Product Detailed Description:

The GE FE250 Motor Starter is a robust and reliable motor control device designed for industrial applications. It is typically a NEMA-style starter, which means it conforms to the National Electrical Manufacturers Association standards for motor control equipment in North America. The FE250 designation usually indicates a specific frame size, often corresponding to a maximum horsepower rating it can control (e.g., typically around 250 horsepower at 460V AC, though exact ratings depend on voltage and service factor). It generally consists of two main components housed within an enclosure:

1. Contactor: This is the main power switching device that connects and disconnects the motor from the power supply. It uses electromagnetic principles to open and close heavy-duty contacts.

2. Overload Relay: This component protects the motor from damage due to excessive current (overload conditions). It monitors the motor current and trips the contactor if the current exceeds safe levels for an extended period, often providing adjustable trip settings.

The FE250 starter is known for its durability and is widely used in various industrial settings for controlling three-phase AC induction motors.

Product Parameters:

• NEMA Frame Size: FE250 (Indicates a specific physical size and capability).

• Horsepower Rating: Typically rated for controlling motors up to 250 HP at 460V AC (check specific datasheet for exact ratings at different voltages, e.g., 230V, 575V).

• Voltage Rating: Commonly rated for 208V AC, 230V AC, 460V AC, and 575V AC (Line-to-Line).

• Current Rating: The contactor and overload relay are rated for the maximum current corresponding to the horsepower rating at the specified voltages (e.g., approx. 560A at 460V for 250 HP).

• Number of Poles: Typically 3-pole for three-phase motor control.

• Enclosure Type: Can come in various types, including General Purpose (NEMA 1), Watertight (NEMA 4/4X), or Explosion-Proof (NEMA 7/9), depending on the specific model and application requirements.

• Overload Relay Type: Often includes features like adjustable Class 10 or Class 20 thermal overload protection, with potential for additional features like phase failure protection or auxiliary contacts.

• Ambient Temperature Rating: Usually specified for operation within a certain temperature range (e.g., -40°C to +55°C, though derating may be required at higher temperatures).

Product Advantages:

• Reliability: Known for robust construction and dependable performance in demanding industrial environments.

• Versatility: Suitable for a wide range of standard motor control applications.

• Compliance: Designed and manufactured to meet NEMA standards, ensuring compatibility and safety in North American markets.

• Protection: Provides essential motor protection against overloads, preventing costly motor damage.

• Ease of Installation and Maintenance: Standard NEMA design facilitates relatively straightforward installation and access for maintenance.

• Availability: As a widely used product, parts and units are generally readily available.

• Scalability: Part of a larger product line, allowing for selection of different frame sizes for various motor horsepower requirements.

Precautions / Important Notes:

• Hazardous Locations: Standard FE250 starters (in NEMA 1 or 4 enclosures) are not suitable for hazardous locations. Only specific explosion-proof versions (e.g., designated with suffixes like E or EX) should be used in areas with flammable gases, vapors, or dusts. Verify the enclosure type and hazardous location certification (Class, Division, Group, Temperature Code) against the application environment.

• Proper Sizing: Ensure the starter’s horsepower and voltage ratings are correctly matched to the motor’s requirements. Undersizing can lead to premature failure or inadequate protection.

• Correct Wiring: Follow the wiring diagram precisely. Incorrect wiring can damage the starter, the motor, or connected equipment and create safety hazards.

• Overload Relay Setting: Verify that the overload relay is set to the motor’s Full Load Amperage (FLA). Incorrect settings can lead to nuisance tripping or failure to protect the motor.

• Ambient Temperature: Be aware of ambient temperature limitations. High ambient temperatures may require derating the starter’s capacity.

• Installation Environment: Protect the starter from excessive vibration, moisture, corrosive atmospheres (unless a suitable sealed enclosure like NEMA 4X is used), and physical damage.

• Lockout/Tagout (LOTO): Strictly follow LOTO procedures before performing any maintenance or service on the starter or connected motor.

• Consult Documentation: Always refer to the specific product datasheet and installation manual provided by GE for detailed instructions, ratings, and safety precautions.

Product Applications:

The GE FE250 Motor Starter is commonly used in a wide variety of industrial applications where three-phase AC motors need to be controlled and protected, including:

• Pumps: Controlling pumps in water treatment plants, chemical processing, oil and gas pipelines, etc.

• Fans and Blowers: Operating ventilation fans, cooling fans, and industrial blowers in HVAC, power generation, and manufacturing facilities.

• Compressors: Starting and stopping air compressors and refrigeration compressors.

• Conveyors: Driving belt conveyors, screw conveyors, and other material handling equipment in factories and warehouses.

• Mixers and Agitators: Controlling motors in chemical processing, food processing, and mixing applications.

• Machine Tools: Powering motors in lathes, mills, and other industrial machinery.

• General Industrial Machinery: Any application requiring reliable starting, stopping, and overload protection for standard three-phase motors up to the rated horsepower.

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Related products:

E-mail: alex@fenoux.com

Tel.: +86 13338369201

Skype: +86  13338369201

WhatsApp: +86  13338369201