Description
CR305X100D GE Magnetic Contactor Renewal Part
Product Dimensions：
Product Description (Detailed Explanation)
The CR305X100D is a “Size 0” and “Size 1” replacement coil. In a magnetic contactor, the coil is the heart of the device; when energized, it creates a magnetic field that pulls the armature in, closing the high-power electrical contacts to start a motor or energize a load.
The suffix “D” in the part number denotes a specific voltage rating. For the GE 300-Line, the “D” coil is typically rated for 115-120V AC at 60Hz (or 110V AC at 50Hz). It is encapsulated in a rugged, moisture-resistant epoxy resin to ensure electrical insulation and mechanical protection against the vibrations caused by rapid contactor switching.
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Series Compatibility | GE 300-Line (CR305, CR306, CR307, CR308) |
| Contactor Size | NEMA Size 0 and Size 1 |
| Voltage Rating | 115-120V AC (60Hz) / 110V AC (50Hz) |
| Coil Type | AC Operated (Encapsulated) |
| Inrush VA | Approx. 192 VA |
| Holding VA | Approx. 27 VA |
| Insulation Class | Class B ($130^{\circ}C$) |
| Material | Molded Epoxy Resin |
Product Advantages (Key Benefits)
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Easy Field Replacement: Designed for quick installation. The GE 300-Line allows the coil to be replaced by removing a few springs/clips without disconnecting the main power wiring from the contactor base.
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Durable Construction: The epoxy encapsulation protects the copper windings from dust, humidity, and corrosive industrial atmospheres, preventing short circuits.
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Quiet Operation: Precision-wound to minimize “magnetic hum” or buzzing during the holding phase.
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Standardized Fit: Guaranteed compatibility with NEMA-rated GE starters, ensuring that the mechanical pull-in force meets original factory specifications for arc suppression.
Precautions (Important Notes)
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Voltage Match: NEVER apply 230V or 460V to a “D” (120V) coil. This will result in immediate burnout and potential fire hazard. Always verify the control transformer output before installation.
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Armature Seating: When replacing the coil, ensure the metal armature and “E-magnet” surfaces are clean. Any debris or rust on these surfaces will prevent the magnet from sealing properly, causing the coil to overheat and eventually fail (burn out).
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Spring Tension: Ensure the contactor return springs are correctly re-seated after the coil change to maintain the proper opening speed of the contacts.
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De-energize Power: Always lock out and tag out (LOTO) the main power and control circuit power before opening the contactor housing.
Product Applications (Typical Use Cases)
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Motor Starters: Serving as the primary control element in CR306 non-reversing and CR305 reversing magnetic starters.
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HVAC Systems: Controlling large compressor motors or industrial fan arrays where 120V control logic is standard.
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Industrial Lighting: Switching high-wattage HID or LED lighting banks in warehouses and factories.
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Conveyor Controls: Acting as the interface between a 120V PLC output and a high-horsepower motor.
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Machine Tooling: Providing the “Main Power On” function for lathes, mills, and CNC enclosures.
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
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