Mier BW-400WHTR Temperature Sensor with 400W Heater and Fan/Blower

Protect sensitive components and keep critical security and surveillance systems online with the Mier Products BW-400WHTR enclosure heater. Designed as a heater for enclosures, this unit uses a 400W heating element paired with an integrated blower to circulate warm air and eliminate cold spots that can cause condensation, sensor drift, or hardware failures. The built-in internal thermostat provides precise temperature control so access control panels, network switches, cameras and monitoring equipment stay within optimal operating ranges.

Installation is straightforward with a 2-pole terminal (AWG 14 max) wired connection, making it an easy retrofit or replacement for existing enclosure heaters. The BW-400WHTR is UL Recognized and TAA compliant, giving procurement and facilities teams confidence in its safety and regulatory compatibility. Measuring a compact 6.3" H x 4" W x 5" D and finished in white, it integrates neatly into Mier enclosures and other standard cabinets.

Ideal for security, surveillance, IT and industrial monitoring applications, the BW-400WHTR helps extend equipment life and improve system reliability. Add this dependable enclosure heater to your next project to maintain consistent internal temperatures and reduce downtime.

• Protects sensitive electronics and surveillance gear by preventing condensation and cold-related failures
• Integrated blower provides even heat circulation to maintain consistent enclosure temperatures
• Internal thermostat enables precise, automatic temperature regulation for reliable monitoring and security systems
• 400W output delivers robust heating capacity for medium to large enclosures
• Simple wired connection via 2‑pole terminal (AWG 14 max) for fast installation and serviceability
• UL Recognized and TAA compliant for use in regulated security, IT and industrial environments