Kidde Fenwal 12-E28021-005-0T (140F) Heat Detector 140 Degree Vertical Mount Normally Open

Designed for dependable ceiling-mounted thermal protection, the Kidde Fenwal 12-E28021-005-0T (140F) heat detector delivers precise, repeatable activation at a 140°F set point to safeguard equipment rooms, storage areas and industrial ceilings. This vertical-mount heat detector uses rate-compensated sensing to minimize false alarms while ensuring timely response to genuine temperature rise events. The normally open contact configuration and contact ratings (5A at 125VAC, 0.5A at 125VDC) make it easy to integrate with fire alarm control panels, release devices and facility monitoring systems.

Installation is straightforward with a 1/2-14 NPT thread and six-inch leads for secure connection into standard junction boxes. Built to meet rigorous safety requirements, the unit carries UL, ULC, FM and CE recognitions and is rated for hazardous environments, making it suitable for commercial, industrial and security-focused applications. Whether you’re upgrading a fire protection zone or adding thermal monitoring to a surveillance-backed security system, this Kidde Fenwal heat detector offers reliable performance and compliance-ready credentials. Contact our sales team or order now to specify the detector for your fire protection and monitoring project.

• Reliable, repeatable activation at a 140°F set point to protect critical spaces from heat-driven fire events
• Vertical-mount design with 1/2-14 NPT thread and 6" leads for fast, low-cost installation to ceiling junction boxes
• Normally open contacts and rate-compensated sensing reduce false trips and ensure accurate response to rising temperatures
• Contacts rated for 5A @ 125VAC and 0.5A @ 125VDC for direct integration with fire panels, release systems, and monitoring equipment
• Certified to UL/ULC/FM/CE standards and rated for hazardous locations, supporting compliance-driven security and protection projects