Editorial Technical Reference

Mounting Enclosure/Rack

This page explains how Mounting Enclosure/Rack is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A structural frame or housing designed to securely mount and organize components within a Control & Monitoring Panel.

Product Specifications

Technical details and manufacturing context for Mounting Enclosure/Rack

Definition
The mounting enclosure or rack serves as the foundational structural component within a Control & Monitoring Panel, providing a secure, organized, and standardized framework for installing various electrical and electronic devices such as PLCs, relays, power supplies, terminal blocks, and HMI interfaces. It ensures proper alignment, spacing for heat dissipation, and protection for the internal components, while facilitating maintenance and system scalability. The enclosure/rack is typically fabricated from materials such as cold-rolled steel, galvanized steel, aluminum alloy, or stainless steel for corrosive environments. It is available in standard sizes conforming to IEC 60297-1, with rack heights ranging from 1800 to 2200 mm for floor-mounted enclosures, widths from 600 to 800 mm for common 19-inch racks, and depths from 600 to 1000 mm depending on component size. The standard mounting width is 482.6 mm. Load capacity per IEC 61969-1 ranges from 500 to 1500 kg. Protection ratings per IEC 60529 are IP54 to IP65, suitable for dusty or wet environments. Operating temperature range per IEC 60721-3-3 is -20 to 55 °C, with relative humidity 5 to 95% non-condensing. Material is typically cold-rolled steel (SPCC) per GB/T 11253, with stainless steel optional. Surface treatment is powder coating in RAL 7035, with other RAL colors available. Weight ranges from 80 to 200 kg depending on size and material. These values are directory reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The enclosure/rack provides physical support and mounting points (e.g., DIN rails, threaded holes, slots) for panel components. It is typically fixed to the panel's internal structure. Components are then secured to it using standard hardware, ensuring electrical isolation, mechanical stability, and compliance with safety standards for spacing and grounding within the enclosed panel environment.
Working Principle
The enclosure/rack provides physical support and mounting points (e.g., DIN rails, threaded holes, slots) for panel components. It is typically fixed to the panel's internal structure. Components are then secured to it using standard hardware, ensuring electrical isolation, mechanical stability, and compliance with safety standards for spacing and grounding within the enclosed panel environment. The design allows for organized routing of cables and proper airflow for heat dissipation. Maintenance is facilitated by easy access to mounted components. The structural integrity of the enclosure/rack is critical for the overall safety and reliability of the control panel. Verification of load capacity and protection rating should be confirmed with the manufacturer for the intended installation.
Common Materials
Cold-rolled steel, Galvanized steel, Aluminum alloy, Stainless steel (for corrosive environments)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rack Height1800–2200 mmStandard heights for floor-mounted enclosuresIEC 60297-1
Rack Width600–800 mmCommon widths for 19-inch racksIEC 60297-1
Rack Depth600–1000 mmDepth depends on component sizeIEC 60297-1
Mounting Width482.6 mmStandard 19-inch rack widthIEC 60297-1
Load Capacity500–1500 kgMaximum static load on enclosureIEC 61969-1
Protection RatingIP54–IP65Higher IP for dusty or wet environmentsIEC 60529
Operating Temperature-20–55 °CExtended range may require coolingIEC 60721-3-3
Relative Humidity5–95 %Non-condensingIEC 60721-3-3
MaterialSPCCCold-rolled steel; stainless steel optionalGB/T 11253
Surface TreatmentRAL 7035Powder coating; other RAL colors availableISO 4628
Weight80–200 kgDepends on size and material

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Mounting Rails Part
    Provide the primary longitudinal support and attachment points for components.
    Material: Steel or aluminum
  • Cross Braces Part
    Add lateral rigidity and stability to the rack structure.
    Material: Steel
  • Mounting Holes/Slots Part
    Allow for flexible component positioning and secure fastening.
    Material: N/A (features of the metal)
  • DIN Rails Part
    Standardized mounting rails for snap-on installation of electrical components.
    Material: Galvanized steel or aluminum

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: Ambient atmospheric pressure only (non-pressurized enclosure)
other spec: Max component weight capacity: 100-500 kg (varies by model), IP rating: IP20-IP66 (depends on sealing), Vibration resistance: 0.5-2.0 g (depending on mounting)
temperature: -20°C to +60°C (operational), -40°C to +85°C (storage)
Media Compatibility
✓ Indoor industrial environments (dry) ✓ Control room installations ✓ Electrical/electronic component housing
Unsuitable: Outdoor marine/saltwater environments (high corrosion risk)
Sizing Data Required
  • Total component dimensions (HxWxD in mm)
  • Maximum expected component weight (kg)
  • Required protection rating (IP classification)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Structural fatigue cracking
Cause: Vibration-induced cyclic loading from mounted equipment, improper mounting alignment, or material stress concentrations at weld points or fastener holes
Corrosion and material degradation
Cause: Environmental exposure to moisture, chemicals, or salt; inadequate protective coatings; galvanic corrosion from dissimilar metals in contact
Maintenance Indicators
  • Visible cracks, warping, or deformation in enclosure panels or mounting points
  • Excessive vibration or unusual noises (rattling, creaking) during equipment operation
Engineering Tips
  • Implement regular torque checks on all fasteners and inspect for stress concentrations using vibration analysis during preventive maintenance
  • Apply appropriate corrosion-resistant coatings and ensure proper environmental sealing, especially at joints and penetrations

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/EIA-310-D - Cabinets, Racks, Panels, and Associated Equipment DIN 41494 - Rack and panel construction; dimensions

Quoted from the published standard.

Manufacturing Precision
  • Panel cutout dimensions: +/-0.5mm
  • Mounting hole alignment: +/-0.2mm
Quality Inspection
  • Dimensional Verification with CMM
  • Surface Finish and Coating Thickness Test
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Manufacturers of Mounting Enclosure/Rack

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Aier Ventilation
Shanghai, CN
Also makes: Access Doors, HVAC Systems, Gate Assembly and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Mounting Frame with Sealing Ring (MFS)”
View source page ↗ jhystamping.com · recorded 2026-08-26
Nanjing A-Plus Metal Products Co., Ltd.
Nanjing, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Louvered Panel Rack”
View source page ↗ aplusmetal.com · recorded 2026-09-10

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Frequently Asked Questions

What standards apply to mounting enclosures/racks?

Relevant standards include IEC 60297-1 for rack dimensions, IEC 61969-1 for load capacity, IEC 60529 for protection rating, and IEC 60721-3-3 for environmental conditions. These are reference standards; compliance must be verified with the manufacturer.

What materials are commonly used?

Common materials include cold-rolled steel, galvanized steel, aluminum alloy, and stainless steel for corrosive environments. The material grade (e.g., SPCC) is specified per GB/T 11253. Confirm the actual material for your application.

How do I determine the required size?

Size depends on the components to be mounted and the available space. Standard rack heights range from 1800 to 2200 mm, widths from 600 to 800 mm, and depths from 600 to 1000 mm. The mounting width is typically 482.6 mm for 19-inch racks. Verify with the manufacturer.

What is the load capacity?

The maximum static load ranges from 500 to 1500 kg per IEC 61969-1. The actual capacity depends on the specific model and installation. Always confirm the load capacity with the manufacturer before installation.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Mounting Enclosure/Rack.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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