GE CR305X100D Power Supply for Insulation Monitoring Systems

Description

GE CR305X100D Power Supply for Insulation Monitoring Systems

Product Dimensions：

The GE (General Electric) CR305X100D is a specialized Contactor Coil designed for use within the CR305 series of magnetic starters and contactors. This series is a cornerstone of GE’s industrial motor control line, now managed under the ABB industrial portfolio following their acquisition of GE Industrial Solutions.

Product Detailed Description

The CR305X100D is a replacement magnetic coil designed specifically for NEMA Size 00 and Size 0 contactors and starters. Its primary function is to create the electromagnetic field necessary to close the main contacts of the motor starter when energized. The “D” suffix in the part number indicates the specific control voltage rating.

Technical Parameters

Product Advantages

• Precision Engineering: Designed specifically for the GE 300-Line, ensuring perfect mechanical fit and reliable “pick-up” and “drop-out” voltages.
• Encapsulated Construction: The coil is molded in a tough, pressure-cast epoxy resin that protects the windings from moisture, dust, and mechanical shock.
• High Thermal Stability: Engineered to withstand the high temperatures generated during continuous industrial operation without insulation breakdown.
• Ease of Replacement: The CR305 series design allows for quick coil replacement without removing the entire starter from the enclosure, significantly reducing maintenance downtime.

Important Considerations (Precautions)

• Voltage Matching: Ensure the control circuit voltage matches the 115-120V rating exactly. Applying 230V to this coil will cause immediate burnout, while under-voltage will cause “chattering,” which can destroy the main contacts.
• Armature Seating: When replacing the coil, ensure the magnetic armature is clean and seats fully. Any gap (due to debris or misalignment) will cause the coil to draw excessive current (inrush levels) continuously, leading to rapid failure.
• NEMA Size Restriction: This coil is strictly for Size 00 and Size 0. It will not fit or provide enough force for Size 1 or larger contactors.
• De-energize Power: Always lock out and tag out the main and control power before attempting to open the starter housing to replace the coil.

Product Applications

The CR305X100D coil is found in various motor control environments:

• Industrial Motor Starters: Used in full-voltage non-reversing (FVNR) and reversing starters for small pumps, fans, and conveyors.
• HVAC Systems: Controlling motors for large commercial air handling units and cooling towers.
• Manufacturing Machinery: Integrated into custom control panels for machine tools and packaging equipment.
• Lighting Contactors: Used in electrically held lighting contactors for stadium or warehouse illumination.

Shipping Port: Xiamen, China

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

Please make an inquiry for more models：