- Self-regulating heat with a PTC ceramic heating plate for safe, steady warmth and reduced overheating risk. - Compact, space efficient: two size options available to fit tight installations (87.5 x 60 x 42 mm or 87.5 x 60 x 52 mm). - Easy mounting: mounting holes require 4 mm diameter hardware. - Key specifications: - Installation hole spacing: 87 mm - Overall dimensions: 87.5 x 60 x 42 mm or 87.5 x 60 x 52 mm - Heating material: PTC thermostat ceramic heating plate - Mounting hole size: 4 mm - Benefits: - Safe operation through self-regulating heating - Fits in compact enclosures and devices with limited space - Reliable heat output with simple installation - Use scenarios: - Add controlled warmth in small electrical enclosures or control panels - Retrofit compact appliances such as small coffee machines or thermostatic modules that require a local heater - Quick DIY projects needing a compact, safe heat source with a standard 87 mm mounting pattern - Compatibility note: - Designed for devices and panels that use an 87 mm installation hole spacing and 4 mm mounting holes This description preserves the original specifications while presenting clear, customer-focused information on function, size, material, and practical applications.