GE CK12BE300 | Series CK 3-Pole Industrial AC Contactor In Stock

Description

1. At-A-Glance Executive Brief

• Model / Catalog Number: CK12BE300 (Series CK)
• Brand: General Electric (GE Industrial / ABB Portfolio)
• Part Type: 3-Pole High-Horsepower Industrial AC Contactor
• Lifecycle Status: Mature / Heavy Industrial Support Line
• Ratings: Up to 300 HP at 460V/600V AC (or 375 kW at 380/400V AC), 700A–810A thermal current capacity
• Core Application: Switching heavy industrial motor loads, large pumps, compressors, and high-inductive power distribution circuits

2. Technical Introduction

Standard motor starters frequently fail under the severe high-current inrush and inductive loads typical of heavy manufacturing and resource extraction plants, risking contact welding or catastrophic arc flash events.

The General Electric CK12BE300 is a heavy-duty, high-capacity 3-pole industrial AC contactor belonging to GE’s robust Series CK portfolio. Engineered for demanding electrical switching environments, it utilizes silver-alloy contact pads and segmented arc chutes to reliably handle multi-hundred-horsepower motor loads. Deploying a verified original replacement contactor ensures a seamless drop-in fit within motor control centers (MCC) without retrofitting mounting baseplates or altering bus bar clearances.

Engineer’s Takeaway: Procuring an authentic GE CK12BE300 contactor guarantees precise panel mounting hole alignment, correct electronic coil voltage compatibility, and full compliance with heavy industrial switching duty cycles, avoiding unexpected downtime during electrical overhauls.

3. Core Technical Specifications

4. Field Engineer’s Tech Notes

• Upstream Power Interlock: Always lockout and tag out (LOTO) high-voltage main feeders before servicing or replacing heavy contactor blocks. Ensure auxiliary control circuits are completely de-energized to prevent accidental coil actuation.
• Arc Chute and Contact Inspection: Periodically inspect the segmented cooling arc chutes and silver-alloy contact tips for carbon buildup or excessive pitting—particularly in high-frequency cycling applications—to maintain low contact resistance and prevent localized overheating.

5. Adaptive QA & Testing Protocol

Every unit undergoes rigorous bench validation prior to dispatch. For the GE CK12BE300 contactor, our technicians test control coil pickup and dropout voltage thresholds, measure contact resistance across all three main poles under simulated load, verify auxiliary block switching logic, and test insulation breakdown resistance across open gap boundaries. Functional test reports or pre-shipment video verification can be provided upon request.

6. Buyer’s FAQ

• Are these contactors supplied as New Surplus or refurbished?

  We stock both factory-sealed New Surplus (NSFP) and fully tested, certified operational units. Condition status is explicitly marked on every quote.

• What warranty coverage comes with this part?

  All replacement industrial contactors are backed by a standard 12-month operational warranty from the date of invoice.

• How fast can this heavy contactor ship to minimize downtime?

  In-stock items ship via priority freight or air courier services to global industrial destinations, mitigating critical path delays during emergency maintenance windows.

• Is the CK12BE300 compatible with different control coil voltages?

  Series CK contactors utilize modular electronic coil drivers. Verify your exact control power requirement (e.g., 110V vs 220V AC/DC) when requesting a replacement part variant to ensure exact coil matching.

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