| Quantity: | |
|---|---|
Arc Chamber
HAIPART
3011156
In heavy industrial power systems, high-current Molded Case Circuit Breakers (MCCBs) must interrupt catastrophic short-circuit currents within milliseconds. The 3011156 MCCB Arc Chamber is engineered specifically for large-frame, high-breaking-capacity MCCB designs, featuring a deep-profile de-ion geometry that extends the arc trajectory and accelerates cooling.
Constructed with an extensive stack of 34 de-ion splitter plates made from high-permeability DC01 cold-rolled steel and reinforced by dual FR4 epoxy glass cloth boards, this arc chute delivers the critical voltage buildup needed to limit fault peak currents and minimize contact erosion.
| Product Part Number | 3011156 (High-Capacity MCCB Arc Chute) |
| Structural Configuration | 34 De-ion Splitter Plates + 2 FR4 Support Side Boards |
| Grid Plate Material | DC01 Cold-Rolled Strip Steel (High magnetic saturation & superior formability) |
| Surface Electroplating | 2μm Precision Nickel Coating (Anti-corrosion, anti-oxidation & arc wear resistant) |
| Side Wall Support | FR4 Epoxy Glass Cloth Laminate (Flame-retardant, high dielectric strength & zero carbon tracking) |
34-Stage Arc Splitting: The 34-plate grid array subdivides the main high-energy arc column into 35 series micro-arcs, establishing an immense cumulative electrode voltage drop to force rapid current limitation.
Deep-V Magnetic Inflow: The deep profile and high magnetic permeability of DC01 steel create a strong electromagnetic pull, swiftly drawing the arc off moving contacts deep into the cooling grids.
High Shock & Thermal Resistance: Reinforced FR4 epoxy side walls resist the violent internal pressure shockwaves of severe short circuits without mechanical distortion or dielectric breakdown.
2μm Nickel Plating Protection: Prevents plate bridging, oxidation, and spatter adhesion under repetitive high-current breaking cycles, extending switchgear operational life.
Q1: Why does this MCCB arc chute employ 34 de-ion plates compared to standard 8–13 plate designs?
A1: Higher breaking capacity (Icu ≥ 70kA/100kA) and higher nominal currents require greater arc voltage generation. The 34-plate structure creates 35 short arcs in series, drastically accelerating deionization and suppressing peak let-through energy ($I^2t$).
Q2: What makes DC01 steel preferable for this deep-profile arc chute?
A2: DC01 cold-rolled steel offers consistent magnetic induction and tight stamping dimensional tolerances, ensuring uniform plate spacing and maximum electromagnetic attraction along the elongated arc path.
Q3: Can HAIPART provide custom modifications for specific MCCB casing dimensions?
A3: Yes. We offer comprehensive OEM/ODM engineering, accommodating custom plate counts, slot profiles, mounting lugs, and side board contours according to your exact mechanical drawings.
HAIPART – One Partner | All Solutions
Professional OEM/ODM Manufacturer of Circuit Breaker Stamping Parts, Arc Chutes & Mechanisms
Email: Sales@haipart.com | Tel / WhatsApp: +86-13819777367
