Schneider Prisma E Cost-Effective Low-Voltage Distribution Cabinet

Designed for conventional commercial, residential, and light industrial power distribution projects that require controlled investment costs and long-term reliable operation, the solution maintains Schneider Electric’s original manufacturing processes and quality standards while optimizing structural design for cost efficiency. Combining durability, reliability, and affordability, it delivers an excellent balance of performance and value, making it the preferred choice for small- and medium-scale power distribution applications.

Product Details

Schneider Prisma E Standardized Safety Low-Voltage Distribution Cabinet

Schneider Prisma E is a standardized, fully type-tested (TTA) low-voltage distribution cabinet developed by Schneider Electric for commercial buildings, light industry, and municipal infrastructure. It strictly complies with IEC 61439-2 and GB/T 7251.2 standards.

The product covers all rated currents up to 630 A and leverages four core advantages: modular standardized design, high-level safety protection, sleek and attractive appearance, and cost-effectiveness. By balancing compliance, practicality, and economy, Prisma E is optimized for small-to-medium distribution terminals, floor-level distribution, and equipment power distribution. It serves as a mainstream standardized low-voltage distribution solution for residential buildings, light industrial facilities, and municipal projects.

Advantages & Features

  • Durable and Corrosion-Resistant Cabinet Construction
    Manufactured from 1.2–1.5 mm high-quality cold-rolled steel sheets and precision-formed through CNC processing, the cabinet offers excellent structural strength and resistance to deformation. The surface is treated with an epoxy powder coating using an electrostatic spraying process, providing a uniform finish with outstanding resistance to salt spray, humidity, heat, aging, fading, and corrosion, making it suitable for a wide range of operating environments.

  • Reliable and Stable Busbar Connection System
    The system utilizes high-purity tin-plated copper busbars with excellent electrical conductivity and superior oxidation resistance. Combined with dedicated insulated supports and secure locking structures, it ensures stable electrical connections, controlled temperature rise under continuous full-load operation, and minimizes the risk of overheating or loose connections.

  • High-Safety Flame-Retardant Insulation System
    Busbar clamps, internal partitions, and insulation components are manufactured from V-0 rated flame-retardant, high-temperature-resistant materials. These materials provide excellent arc resistance, aging resistance, and non-combustible performance, effectively preventing insulation breakdown, electrical tracking, and potential fire hazards.

  • Rigorous Factory Quality Assurance
    Every unit undergoes comprehensive factory testing, including insulation resistance tests, dielectric withstand tests, mechanical performance verification, and circuit inspection. This stringent quality control process ensures exceptionally low failure rates, reliable long-term operation under normal service conditions, and reduced maintenance requirements throughout the product lifecycle.

  • Optimized natural convection ventilation channels are integrated into the cabinet structure, providing efficient and uniform heat dissipation, reducing component wear, and extending equipment service life.

  • Reinforced door locks and heavy-duty hinges are provided as standard, ensuring smooth operation, secure locking, and long-term durability even under frequent use.

  • The robust overall structure is designed to withstand routine vibration and external mechanical impacts, ensuring reliable performance in demanding operating environments.

Basic Parameters


Electrical Characteristics

Values

Rated Current (A)

630-16, 250-6

Rated Insulation Voltage Ui (V AC)

660, 400

Rated Operating Voltage (V AC)

380, 220

Rated Impulse Withstand Voltage (kV)

8

Rated Frequency (Hz)

50

Rated Short-Circuit Withstand Current (kA)

10, 4

Mechanical Characteristics

Values

Overall Height (mm)

500, 700, 900, 1100, 1300, 1650, 1850

Vertical Modulus (1 modulus = 50mm)

8, 12, 16, 20, 24, 28

Depth (mm)

235, 305

Depth for Enclosed Cabinet (mm)

220, /

Cabinet Width (mm)

600, 900 (5)

Division Type

1

Door Type

Solid Door, Double Door, Glass Door

IP Rating

30/31/40/41/54/55/65

Applicable Standards

Values

Type Test

GB/T 7251.3 and GB 7251.12

IP Rating

IEC 60529

Empty Cabinet Standard

GB/T 20641

Environmental Conditions

Values

Operation

Indoor

Maximum Altitude (m)

2000

Average Ambient Temperature (°C)

35

Pollution Level

3

Other Information

Values

Cabinet Material

Cold-rolled Steel Plate

Coating

Electrostatic Sprayed Epoxy Resin Powder

Color

RAL 7035 (Industrial Grey)

Insulation Material Inside the Cabinet

High Temperature Resistant, Flame Retardant


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