EST Edwards ESD-4WJ Fire Alarm Duct Smoke Detector

The EST Edwards ESD-4WJ is a precision-engineered duct smoke detector designed to enhance building safety by efficiently sensing smoke within HVAC systems. Its reliable smoke detection technology integrates seamlessly into fire alarm setups, ensuring early warning in ventilation ducts.

• Wide voltage range: Operates consistently within 24 VDC ± 10% to suit various system configurations.
• Compact design dimensions: Streamlined for easy installation in tight duct spaces without compromising functionality.
• Operating temperature range: Maintains performance between 32°F to 120°F (0°C to 49°C), suitable for most indoor environments.
• Alarm sensitivity: Meets UL 268 standards, ensuring prompt smoke detection without false alarms.
• Robust wiring terminals: Supports secure and straightforward electrical connections for reliable operation.

Compared to previous models and many industry competitors, the ESD-4WJ offers enhanced sensitivity and a more compact form factor, making it a superior choice for modern HVAC fire detection. Its compliance with stringent UL standards guarantees dependable performance and peace of mind.

Superior Detection Features and Operational Reliability

Equipped with advanced smoke sensing technology, the ESD-4WJ quickly identifies smoke particles in duct airflow, enabling rapid fire response. Its durable construction ensures consistent operation even under challenging environmental conditions. Additionally, the detector’s design simplifies maintenance and reduces downtime, supporting continuous fire safety monitoring.

The unit’s compatibility with a broad range of fire alarm systems allows for flexible installation and integration. Its tested accuracy and ease of use make it an essential safety component in commercial and industrial settings where air circulation systems require vigilant monitoring.