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Dimensions and Specifications of a 30HP Cold Storage Power Distribution Box

A 30HP cold storage power distribution box typically features a robust, industrial-grade enclosure with dimensions and layout designed to house MCCBs, bus bars, and cable glands, but exact measurements vary by manufacturer.

Typical Construction and Materials

Enclosure Material: Industrial-grade ABS+PC flame-retardant plastic or 2 mm galvanized steel for outdoor/indoor use. Protection Rating: IP-55 or higher, ensuring resistance to dust, moisture, and extreme temperatures. Suitable for cold storage environments ranging from -30°C to +70°C.

Door and Locking: Slanting roof with overhang, concealed hinges, and Godrej-type 3-position locking system for security. Internal Layout: Provision for one bus bar arrangement with 4-pole MCCB for main supply and outgoing feeders with 2- or 3-pole MCCBs. Insulated barriers separate MCCBs to prevent heat transfer and short circuits.

Cable Entry: Heavy-duty, double-compression cable glands for incoming and outgoing cables, with detachable plates for easy installation. Earthing: Two solid earthing points on either side of the box for safety.

Typical Dimensions and Tolerances

While exact dimensions vary by manufacturer, illustrative dimensions for a 30HP LT distribution box are often in the range of: Height: 1200–1500 mmWidth: 800–1000 mmDepth: 400–600 mmTolerance: ±10% depending on design and manufacturer.

Additional Features

Monitoring and Control: Some models include dual-display panels for temperature and system status monitoring, overload protection, phase loss detection, and compressor delay start functions. Customization: OEM/ODM options for front panel labels, housing color, and branding are available. Compatibility: Designed to integrate with major compressor brands (Copeland, Bitzer, Danfoss) and refrigerants like R404A and R134a.

Recommendation

For precise installation planning, it is recommended to obtain the manufacturer's datasheet or technical drawing for the specific 30HP model, as dimensions and internal layout can vary significantly between suppliers. This ensures proper fit, compliance with electrical codes, and safe operation in cold storage environments.

Dimensions and Specifications of a 30HP Cold Storage Power Distribution Box
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