Description
- Model & Brand: General Electric (GE) / ABB Industrial Solutions / 300-Line Series (Catalog No. CR305F002 / NEMA Size 4 Magnetic Contactor)
- Physical Dimensions: Compact panel-mount frame profile (Approx. 168 mm W × 165 mm D × 224 mm H / 6.62″ × 6.50″ × 8.81″ WxDxH layout)
- Estimated Shipping Weight: 2.30 kg (Packaged in industrial anti-static protection and structural foam crating)
- What’s in the Box: CR305F002 contactor assembly, 115–120V AC operating coil, integrated 1NO auxiliary contact block, terminal hardware, and factory inspection test report.
Heavy industrial motor control centers, large-scale commercial HVAC systems, and continuous process manufacturing lines require rugged electromechanical switching components capable of handling high inrush currents and frequent operating cycles. System engineers integrate the General Electric / ABB CR305F002 NEMA Size 4 Magnetic Contactor directly into full-voltage non-reversing motor starters, capacitor bank switching loops, and heavy resistance heating circuits (—which is vital for managing heavy industrial loads up to 600 VAC safely, ensuring rapid arc extinction, and maintaining high reliability across continuous automated operations).
Cabinet technicians must ensure precise terminal torque specs and clean auxiliary wiring layouts to prevent contact chatter or localized overheating during high-amperage switching phases.
| Parameter | Value |
| System Platform | General Electric 300-Line Industrial Control System |
| Device Type | NEMA Size 4 3-Phase Magnetic Full Voltage Non-Reversing Contactor |
| Continuous Current Rating | 150 Amperes (Open) / 135 Amperes (Enclosed) |
| Maximum Voltage Rating | 600 VAC, 3-Phase |
| Control Coil Voltage | 115 to 120 VAC (60 Hz) / 110 VAC (50 Hz) |
| Number of Poles | 3 Main Power Poles (3NO) |
| Auxiliary Contact | 1 Normally Open (1NO) auxiliary contact block included |
| Operating Temperature | Standard industrial ambient range (-20°C to +70°C) |
| Mounting Configuration | Surface / Panel mount (Open type or NEMA 3R/4/12 enclosure integration) |
Auditors inspecting motor control panels and power distribution skids demand rigorous documentation verifying electrical safety, isolation integrity, and international regulatory compliance.
- UL Listed (UL 508 / UL 60947-4-1): Confirms compliance with North American standards for industrial control equipment and motor controllers.
- CSA Certified: Validates Canadian electrical safety performance requirements.
- CE Mark: Confirms conformity with European Union directives covering low-voltage safety and electromagnetic compatibility.
- RoHS Compliance: Restricts hazardous chemical substances in electronic and electrical component manufacturing.
Compliance Note: Compliance with rigorous NEMA and UL standards guarantees that internal silver-cadmium oxide power contacts withstand heavy arc erosion and maintain mechanical endurance limits across thousands of operational cycles. Verify specific short-circuit current ratings (SCCR) with system drawings before panel commissioning.
Dormant contactors stored in warehouse stockroom bins face terminal oxidation, contact stiction, and dust accumulation on magnet faces if environmental parameters exceed strict control limits.
Keep the contactor unit sealed tightly inside its original packaging or anti-static moisture-barrier bag to safeguard internal coil windings and mechanical linkages from airborne particulates. Maintain warehouse storage temperatures between -40°C and +85°C with relative humidity kept strictly below 95% non-condensing to prevent corrosion on exposed metal parts. Ensure the assembly remains protected from heavy drop forces that could fracture the molded arc chutes or misalign the armature.
Panel layout clearance and robust terminal torque dictate physical installation success. Ensure all incoming power feeds and control circuits are completely locked out and tagged out (LOTO) and verified dead using a multimeter prior to handling. Mount the CR305F002 securely to the subpanel backplate using proper hardware, torque all line/load power lugs to manufacturer specifications, and check manual armature freedom prior to initial coil energization.
- What is the correct HS Tariff Code for international customs clearance?Industrial electrical relays, contactors, and automatic circuit switches classify under harmonized code 8536.49 (or regional variants like 8536.49.00), though exact regional rulings should be verified with your broker.
- Does this contactor include built-in overload thermal protection?No, the CR305F002 functions as a magnetic contactor; overload protection must be provided separately via matched thermal or electronic overload relays in motor starting applications.
- How does the Country of Origin (COO) impact global trade compliance?The verified COO dictates trade agreement qualification and must match commercial shipping paperwork to eliminate border customs clearance delays.
- Why is comprehensive transit insurance mandatory for this component?Heavy molded resin housings, internal copper bus assemblies, and precision electromagnetic coils can suffer structural cracking or mechanical displacement under severe drop impacts during freight transit.
