Brush DC Motors (Base) | Standard refrigerators/freezers | Brush-based commutation (IEC 60034-30), IE1 efficiency (▲ vs Industry Standard IE2), ABS plastic casing (ASTM D638) | Lower cost, simple design, widely compatible with legacy systems | Higher maintenance (brush wear), shorter lifespan, 15% less efficient than IE3 |
Brushless DC Motors | High-end refrigeration systems | Sensorless brushless (IEC 60034-2-1), IE3 efficiency (▲ 20% energy savings), aluminum alloy casing (ASTM B209) | Longer lifespan, 30% quieter (▲ 43 dBA vs Base 55 dBA), energy-efficient | Complex control systems, 40% higher upfront cost |
AC Motors | Industrial cooling, legacy systems | Single-phase AC operation (IEC 60034-1), NEMA Premium® IE3 efficiency, steel casing (ASTM A36) | Robust, reliable in harsh environments, backward-compatible | Larger size, 25% higher energy costs, noisier operation (▲ 60 dBA) |
High-Efficiency DC (Advanced) | Eco-friendly commercial appliances | Brushless with electronic commutation (IEC 60034-2-1), IE3 efficiency (▲ vs Base IE1), stainless steel bearings (ASTM A276) | 20% energy savings, low maintenance, compact design (▲ 20% smaller) | Requires advanced controllers, premium pricing (▲ 30% cost vs Base) |
Compact DC Motors | Portable coolers, small appliances | Miniature size (ISO 2768), 25mm diameter (▲ space-saving), lightweight (▲ 0.5kg vs Standard 1.2kg) | Fits tight spaces, easy installation, corrosion-resistant plastic casing | Limited power (▲ max 50W), no customization for heavy loads |
Industrial-Grade DC | Heavy-duty commercial freezers | Heavy-duty ball bearings (▲ 500N load capacity), IP54 protection (IEC 60529), 1000W+ output (▲ power) | Handles extreme loads, withstands -40°C to +80°C (▲ temperature range) | Bulky design (▲ 3x weight), higher initial cost (▲ 50% vs Standard) |