027 04299 005 York Fire & Smoke Actuator (FSLF120 US)

Overview

The York 027 04299 005 (Belimo FSLF120 US) is a fast-acting, spring-return actuator specifically designed for smoke and combination fire and smoke dampers in ventilation and air-conditioning systems. It is engineered to meet rigorous safety standards, including UL555 and UL555S, ensuring reliable operation during fire and smoke emergencies by driving the damper to its fail-safe position upon power loss.

Features

• High-speed fail-safe operation with a spring-return running time of less than 15 seconds
• Maintenance-free design with a 5-year warranty
• Zinc-coated steel housing for enhanced durability in demanding environments
• Electronic overload protection throughout the 0 to 95 degree rotation
• Reversible mounting allows for flexible direction of rotation
• Visual mechanical position indicator for easy status monitoring

Specifications

• Torque: 30 in-lb (3.5 Nm)
• Nominal Voltage: AC 120V, 50/60 Hz
• Power Consumption: 18 VA (Running), 4 W / 5.5 VA (Holding)
• Angle of Rotation: Max 95 degrees
• Running Time: <15 seconds (Motor), <15 seconds (Fail-safe)
• Ambient Temperature: 32 to 122 degrees Fahrenheit (0 to 50 degrees Celsius)
• Safety Rating: IP30, NEMA 1, UL Enclosure Type 1
• Agency Listings: cULus listed, UL 2043 compliant for air plenums

Applications

• Operation of smoke dampers in HVAC systems
• Control of combination fire and smoke dampers
• Commercial and industrial ventilation systems requiring compliance with UL555 and UL555S safety standards
• High-temperature safety operations, rated to perform at 350 degrees Fahrenheit for 30 minutes