Belimo NKQB24-1 Electronic Fail-Safe Actuator, 54 in-lb, On/Off, 24V

Description

The Belimo NKQB24-1 is a high-performance electronic fail-safe damper actuator engineered for reliable On/Off control in commercial and industrial HVAC applications. Designed to deliver consistent, dependable operation, this actuator features a spring-return fail-safe mechanism that automatically drives the damper to its safe position upon loss of power — a critical safeguard for life-safety and ventilation systems.

Key Features

• Electronic fail-safe (spring-return) operation for automatic safe-position response on power loss
• 54 in-lb rated torque output for positive damper actuation
• On/Off control signal type for straightforward integration
• Dual-voltage compatibility: 24Vac and 24Vdc power supply
• Fast 4-second runtime for rapid response
• Compact, robust motor and actuator assembly built for long service life
• Suitable for use with Belimo and compatible damper assemblies

Application

The NKQB24-1 is ideal for use in air handling units, rooftop units, VAV systems, and other HVAC applications where fail-safe damper positioning is required. Its dual-voltage input and fast stroke time make it a versatile choice for new construction and retrofit projects alike.

Specifications

• Brand: Belimo
• Model: NKQB24-1
• Torque: 54 in-lb
• Control Type: On/Off
• Power Supply: 24Vac / 24Vdc
• Fail-Safe Type: Electronic (Spring Return)
• Runtime: 4 seconds