3 Phase MCB Distribution Box Low Voltage Main Switch Electrical Power Cabinet
Product Details
3 phase mcb distribution box
,IEC 61439 Electrical Power Cabinet
Our 3-Phase MCB Distribution Box is a premium solution for low-voltage power management in modern residential, commercial, and industrial environments. Designed to house miniature circuit breakers (MCBs) and other DIN-rail components, this load center ensures the safe and organized distribution of electricity across multiple branch circuits.
Available in various configurations (from 12 to 48 ways), this distribution box is engineered for 380V/415V three-phase systems. Whether you are managing power for an office floor, a retail unit, or a workshop, our cabinets provide a robust, flame-retardant housing that simplifies maintenance and maximizes circuit protection.
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High-Grade Material Construction: Manufactured from high-impact, fire-resistant ABS/PC plastics or cold-rolled galvanized steel with an epoxy powder coating for maximum durability.
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Universal DIN-Rail Mounting: Features a standard 35mm adjustable DIN-rail, making it compatible with all major brands of MCBs, RCCBs, RCBOs, and surge protection devices (SPD).
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Optimized Phase Balancing: The interior layout is designed to facilitate easy 3-phase wiring, helping electricians balance loads across the L1, L2, and L3 phases to prevent transformer overheating.
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Superior Safety Sealing: Available in IP41 for indoor dry areas or IP65 for damp/outdoor environments, featuring high-quality gaskets to prevent dust and moisture ingress.
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Pre-Installed Neutral & Earth Bars: Equipped with high-conductivity copper terminal blocks for neutral and grounding connections, ensuring a safe and low-resistance path to earth.
| Feature | Detailed Specifications |
|---|---|
| Rated Voltage (Ue) | 3-Phase 380V / 400V / 415V AC |
| Rated Current (In) | 63A, 100A, 125A (Main Switch Capacity) |
| Number of Ways | 12, 18, 24, 36, 48 Modules |
| Mounting Type | Surface Mounted or Flush (Recessed) |
| Material | Flame Retardant ABS/PC or Galvanized Steel |
| Ingress Protection | IP40 / IP41 / IP65 |
| Busbar Type | Comb-type or Pin-type Copper Busbar |
| Standards | IEC 61439, CE, RoHS |
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Commercial Offices: Managing lighting, HVAC, and server room circuits with centralized protection.
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Residential Apartments: Main 3-phase load center for large homes requiring high-capacity distribution.
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Industrial Workshops: Powering small 3-phase machinery and bench tools in a localized, easy-to-access box.
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Retail & Malls: Independent circuit management for shop fronts and commercial signage.
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Spacious Wiring Interior: We provide ample "knuckle room" inside the cabinet, allowing for easy cable routing and generous bending radii, which significantly reduces installation time.
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Reversible Transparent Door: Most models feature a high-clarity, impact-resistant door that can be mounted to open left or right, allowing for easy status monitoring without exposing live parts.
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Knock-out Cable Entries: Multiple pre-stamped cable entry points on the top, bottom, and back of the box accommodate various conduit and gland sizes for a clean, professional finish.
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Aesthetic & Functional Design: The sleek, neutral-colored exterior blends seamlessly into modern interiors while providing clear labeling areas for circuit identification.
Q: Can this box accommodate a 100A main isolator?
A: Yes, the internal busbars and terminal blocks are rated to handle up to 125A, making them suitable for most 63A to 100A main switches.
Q: Is this suitable for outdoor installation?
A: For outdoor use, please specify our IP65-rated model. The standard IP41 models are intended for indoor, dry-room installations only.
Q: Does it include the MCBs?
A: We supply the distribution box as an "empty" unit with DIN-rails and busbars. However, we can provide a fully-populated "turnkey" box with circuit breakers pre-installed based on your specific circuit schedule.
XL-21 Low-voltage power distribution cabinet is suitable for power distribution of three-phase four-wire or three-phase five-wire system with AC voltage of 500 volts and below in power plants and industrial and mining enterprises. XL-21 low-voltage power distribution cabinet is installed against the wall of the indoor device, and inspected in front of the screen. The shell IS made of steel plate bending, and the knife switch handle is on the upper part of the right column in front of the box, which can be used for switching power supply. According to the needs of users, different types of circuit breakers with different current levels can be selected to meet the needs of different users.
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