Monaco Wall-Mounted Distribution Box Specifications

The Monaco XL-21 wall-mounted distribution box is an indoor low-voltage cabinet designed for single- and three-phase systems, with a compact steel enclosure, front-opening door, and IEC-compliant protection.General Description

The XL-21 type distribution cabinet is an indoor, wall-mounted, single-sided front-opening device suitable for industrial, commercial, and institutional applications such as schools, government buildings, and civil structures. It is designed for easy maintenance with a front door that exposes all internal equipment when opened, allowing convenient access to circuit breakers, fuses, contactors, and thermal relays for inspection or replacement .

Construction and Materials

• Enclosure Material: Bent steel plates with welded angle steel for structural integrity .
• Front Door: Can be equipped with operation buttons, indicator lights, and display instruments.
• Grounding: Both the door and enclosure include grounding screws to ensure reliable grounding connection.
• Mounting: Wall-mounted with internal mounting channels or suitable suspension accessories for secure installation .

Electrical Specifications

• System Compatibility: Single-phase and three-phase systems (IT, TN-C, TT)
• Frequency: 50Hz to 60Hz
• Load Current: Up to 630A
• Voltage Rating: Up to 500V
• Circuit Protection: Air circuit breakers and fuses; optional contactors and thermal relays
• Switching: Knife switch handle can be installed on the front right side for power disconnection and connection operations .

Operating Environment

• Ambient Temperature: -5°C to +40°C (24-hour average not exceeding +36°C)
• Altitude: Up to 2000 meters
• Relative Humidity: Maximum 50% at +40°C; higher humidity allowed at lower temperatures (e.g., 90% at +20°C)
• Installation Conditions: Should be free from severe vibration, impact, and corrosive environments; tilt angle relative to vertical should not exceed 5° .

Protection and Standards

• Protection Level: Complies with IEC 60439-1 and GB7251.1 standards
• Safety Features: Door and enclosure grounding, proper insulation, and secure mounting for safe operation .

Dimensions and Layout

• Structure: Compact, welded steel construction with a front-opening door
• Internal Layout: Flexible circuit scheme combinations, allowing installation of breakers, fuses, relays, and other control devices
• Maintenance Access: Full exposure of internal components when the door is opened for easy servicing . The Monaco XL-21 wall-mounted distribution box is a versatile, robust solution for low-voltage power distribution, offering reliable protection, easy maintenance, and compliance with international standards. It is suitable for a wide range of applications requiring safe and organized electrical distribution.