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CARRIER Damper Actuator: Dampers, On/Off, Spring Return, 10 lb-in, 24V, Hardwired - Fail-Safe Actuators with Spring Return
CARRIERFail-Safe Actuators with Spring Return

CARRIER Damper Actuator: Dampers, On/Off, Spring Return, 10 lb-in, 24V, Hardwired

The CARRIER Damper Actuator (SKU 877HY2, MPN HF21KJ007) is a fail-safe actuator with spring return, designed for damper applications. It operates on 24V input voltage with a 24V AC output signal, features a 45°…

SKU 3G-OTH-68347

Brand
CARRIER
Item
Damper Actuator: Dampers, On/Off, Spring Return, 10 lb-in, 24V, Hardwired
Category
Fail-Safe Actuators with Spring Return
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Technical Specifications

CARRIER
Manufacturer Part Number
HF21KJ007
Type
On/Off, Spring Return, 10 lb-in, 24V, Hardwired, NEMA 1 / IP40
Shaft Type
Self-Centering Clamping
Input Voltage
24V
Output Signal
24V AC
Stroke Degree
45°
Shaft Rotation
CCW
Auxiliary Switch Included
No
Electrical Connection Type
Hardwired
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CARRIER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CARRIER Damper Actuator (SKU 877HY2, MPN HF21KJ007) is a fail-safe actuator with spring return, designed for damper applications. It operates on 24V input voltage with a 24V AC output signal, features a 45° stroke degree and CCW shaft rotation, and uses a self-centering clamping shaft type with hardwired electrical connection.

Frequently Asked Questions

What is the CARRIER HF21KJ007 damper actuator used for?

The CARRIER HF21KJ007 is a fail-safe damper actuator with spring return, used in HVAC systems to control air dampers. It provides on/off positioning with a 45° stroke and 10 lb-in torque, ensuring reliable operation in building automation and ventilation applications.

What are the specifications of the CARRIER HF21KJ007 damper actuator?

The CARRIER HF21KJ007 operates on 24V input with a 24V AC output signal. It features a 45° stroke, CCW shaft rotation, self-centering clamping shaft, and hardwired electrical connection. It is NEMA 1 / IP40 rated and includes spring return for fail-safe operation.

Where to buy the CARRIER HF21KJ007 damper actuator worldwide?

3G Electric supplies the CARRIER HF21KJ007 damper actuator worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the CARRIER HF21KJ007 damper actuator?

Mount the actuator on the damper shaft using the self-centering clamping mechanism. Ensure 24V power is disconnected during wiring. Connect hardwired leads per the wiring diagram, verify CCW rotation, and test spring return function before commissioning.

Used in

Common applications for CARRIER
Commercial rooftop HVAC maintenance — Carrier heat exchanger kit 48GS660004 for replacing failed heat exchangers in packaged units.
Refrigeration system servicing — Carrier synthetic oil P903-2301 for lubricating compressors in HFC-based commercial refrigeration.
HVAC control system repair — Carrier blower control board HH84AA017 for restoring fan operation in air handlers.
Gas furnace safety inspection — Carrier rollout switch HH18HA449 for replacing faulty safety switches in heating systems.
Condenser unit overhaul — Carrier condenser fan blade 30GX660017 for replacing damaged blades in outdoor condensing units.
Compressor protection — Carrier crankcase heater HT31AZ121 for preventing liquid slugging in compressors during off-cycles.

CARRIER Products

3G Electric supplies CARRIER fail-safe actuators with spring return. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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