The Formula BLD Series Molded Case Circuit Breakers (MCCB) Frame Assembly forms the core protective structure for industrial circuit protection devices. Constructed…
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The Formula BLD Series Molded Case Circuit Breakers (MCCB) Frame Assembly forms the core protective structure for industrial circuit protection devices. Constructed from high-dielectric, glass-reinforced thermoplastic, this housing isolates high-current contacts, arc chutes, and trip units while providing an intuitive, color-coded front faceplate for clear contact position indication.
Color-Coded Status Indication: The central toggle opening features vivid Red (ON), Yellow (TRIPPED), and Green (OFF) visual status borders for immediate operational verification from the panel front.
Modular Internal Structural Channels: The rear housing frame integrates structural ribbing, guide slots, and isolation barriers designed to seat internal contact assemblies, arc quenching chambers, and terminal connectors securely.
Terminal Access & Mounting Holes: Pre-molded top and bottom terminal pass-through apertures enable simple busbar or cable lug connections alongside secure multi-point screw mounting.
High-Dielectric Polymer Construction: Formulated from flame-retardant, arc-resistant engineering resin designed to withstand high mechanical stress and thermal loads during short-circuit events.
Accessory Window: Features an integrated side recess for standard auxiliary contact, shunt trip, or undervoltage release accessory indicator plates.
Product Series: Formula BLD Series
Component Type: Molded Case Circuit Breaker (MCCB) Main Housing / Front Cover
Status Indicators: Red (ON) / Yellow (TRIP) / Green (OFF)
Color Scheme: Dark Slate Gray / Charcoal
Mounting Type: Panel / Sub-plate Mounting
Applications: Low-Voltage Power Distribution Boards, Motor Control Centers (MCC), Switchboards, and Commercial/Industrial Electrical Panels
| Parameter | Reference Detail |
|---|---|
| Product Name | Formula BLD Series Molded Case Circuit Breaker (MCCB) Frame Assembly |
| Mold Application | MCCB main protective frame, internal structural channel housing & front faceplate |
| Mold Material | Selected according to project requirements |
| Number of Cavities | Determined after DFM evaluation |
| Plastic Material | High-dielectric, glass-reinforced, flame-retardant thermoplastic resin |
| Color Scheme | Dark slate gray / charcoal with vivid Red (ON) / Yellow (TRIP) / Green (OFF) status borders |
| Mounting Type | Panel / sub-plate mounting via pre-molded multi-point screw apertures |
| Internal & Modular Features | Isolation barriers for arc quenching chambers, terminal pass-through apertures, and auxiliary accessory side recess |
| Primary Function | Isolates high-current contacts, seats trip units, withstands short-circuit thermal loads, and provides visual status indication |
| Applications | Low-Voltage Power Distribution Boards, Motor Control Centers (MCC), Switchboards, and Commercial/Industrial Electrical Panels |
Jingmu develops custom molds and molded components from customer drawings or samples. Share the part geometry, assembly requirements, material specification and expected production volume so our engineering team can review feasibility.
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The team reviews material selection, mold structure, assembly fit and inspection needs during the DFM stage. Final specifications, trial requirements and delivery timing are agreed for the individual project before production.
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Explore moreFrom requirement review to final delivery, each stage is managed against the agreed technical and quality requirements.
Review the application, customer drawings, 3D models, material requirements, tolerances and technical specifications. Confirm manufacturability through DFM analysis and agree on key quality requirements.
Select suitable mold steel, plastic resin and purchased components according to the application, part performance, surface finish and expected production volume. Confirm material grades and applicable specifications.
Develop the 3D mold design and detailed drawings. Define the mold structure, part dimensions, gating, cooling, venting and ejection systems to meet the approved technical requirements.
Machine the mold frame and components to approved drawings, assemble the mold and conduct trial molding. Prepare samples and document trial conditions for review and validation.
Evaluate sample dimensions, appearance, assembly fit and applicable functional or performance requirements. Record results, resolve identified issues and obtain the required sample approval.
Begin controlled production after sample and specification approval. Follow the agreed process settings, inspection plan and assembly requirements to maintain consistent product quality.
Inspect finished molds or products for specified dimensions, structure, appearance and applicable functions. Review inspection results, traceability and quality records before shipment release.
Clean and protect the mold or products and use suitable packaging for shipment. Verify labels, quantities and delivery documents, then arrange delivery according to the agreed shipping requirements.
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