描述
UL Listed Fire/Smoke and Smoke Control Dampers
2-Position, 30-second Run Time,
15-second Spring Return Time
- Optional built-in Electronic Fusible Link (EFL) capability with four temperature ratings: 165°F (74°C), 212°F (100°C), 250°F (121°C), and 350°F (177°C).
- Reversible fail-safe spring return.
- High temperature polymer housing.
- Pre-cabled, insulated lead wires.
- Thirty-second powered operation at rated torque, temperature and voltage.
- Fifteen-second mechanical fail-safe at rated torque and temperature.