Belimo GKB24-SR Electronic Fail-Safe Modulating Damper Actuator

Belimo GKB24-SR Electronic Fail-Safe Modulating Damper Actuator

Part #: GKB24-SR Manufactured by: Belimo

Regular price: $917.00
Sale price: $917.00
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Condition: New-Surplus Original Box

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Product Overview

The Belimo GKB24-SR is a 24VAC/DC modulating damper actuator with 360 in-lb of torque and electronic fail-safe operation. ... Read more

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Product Description P/N: GKB24-SR

Description / Specifications

Description

Belimo GKB24-SR is a high-torque electronic fail-safe damper actuator designed for modulating control in commercial and industrial HVAC systems. It provides 360 in-lb of torque with 24VAC/DC operation and a 2–10VDC control signal for precise damper positioning.

Technical Specifications

Condition	New
Brand	Belimo
Category	HVAC
Part Number	GKB24-SR
Subcategory	HVAC Actuator
Product Type	Electronic Fail-Safe Damper Actuator
Supply Voltage	24VAC/DC
Frequency	50/60Hz
Control Type	2–10VDC Modulating
Position Feedback	2–10VDC
Torque	360 in-lb (40Nm)
Power Consumption – Running	11W
Power Consumption – Holding	3W
Transformer Sizing	21VA
Angle of Rotation	95°
Motor Running Time	150 Seconds / 90°
Fail-Safe Running Time	<35 Seconds
Motor Direction	Selectable with 0/1 Switch
Fail-Safe Direction	Reversible with Switch
Manual Override	External Push Button
NEMA Rating	NEMA 2
Protection Rating	IP54
Enclosure Type	UL Enclosure Type 2
Ambient Temperature	-22°F to 122°F (-30°C to 50°C)
Weight	4.7 lbs

Information About GKB24-SR

The GKB24-SR is a Belimo electronic fail-safe actuator developed for demanding HVAC damper applications. It combines proportional positioning with capacitor-based fail-safe operation, allowing the actuator to move to a selected safety position if power is interrupted. Its reversible operation and manual override provide flexibility during installation, commissioning, and service.

Key Features:

Electronic Fail-Safe: Provides automatic positioning to a selected safety position during power loss.
High-Torque Operation: Delivers 360 in-lb (40Nm) of torque for demanding damper applications.
Modulating Control: Uses a 2–10VDC control signal for proportional damper positioning.
Position Feedback: Provides a 2–10VDC feedback signal for position monitoring.
Reversible Operation: Motor and fail-safe direction can be configured for application requirements.
Manual Override: External push button allows manual actuator positioning.
Wide Operating Range: Designed for ambient temperatures from -22°F to 122°F.
Protected Housing: NEMA 2, IP54, and UL Enclosure Type 2 construction supports HVAC installations.

The GKB24-SR delivers the precise damper positioning and electronic fail-safe functionality required for commercial and industrial HVAC systems.

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Description / Specifications