We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Honeywell Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Hardwired - Fire & Smoke Rated Actuators
HoneywellFire & Smoke Rated Actuators

Honeywell Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Hardwired

The Honeywell MS8120F1002/U is a fire and smoke rated damper actuator with on/off, spring return operation. It delivers 175 in-lb torque, features a 95° stroke with CW/CCW shaft rotation, and operates on 24V AC…

SKU 3G-OTH-67073

Also listed as: MS8120F1002U · MS8120F1002 U · MS8120F1002-U

Brand
Honeywell
Item
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Hardwired
Category
Fire & Smoke Rated Actuators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Honeywell
Manufacturer Part Number
MS8120F1002/U
Type
On/Off, Spring Return, 175 in-lb, Hardwired, NEMA 2 / IP54
AC
24V
Input Voltage
24V AC
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
No
Electrical Connection Type
Hardwired
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Honeywell MS8120F1002/U is a fire and smoke rated damper actuator with on/off, spring return operation. It delivers 175 in-lb torque, features a 95° stroke with CW/CCW shaft rotation, and operates on 24V AC input. This hardwired actuator is NEMA 2 / IP54 rated and compatible with building automation systems.

Frequently Asked Questions

What is the Honeywell MS8120F1002/U actuator used for?

The Honeywell MS8120F1002/U is a fire and smoke rated damper actuator used in building automation systems to control HVAC dampers. It provides on/off, spring return operation for safety-critical applications, ensuring dampers close or open during fire events to contain smoke and flames.

What are the specifications of the Honeywell MS8120F1002/U?

The Honeywell MS8120F1002/U delivers 175 in-lb torque with a 95° stroke and CW/CCW shaft rotation. It operates on 24V AC input, is hardwired, and rated NEMA 2 / IP54. It does not include an auxiliary switch and is compatible with building automation systems.

Where to buy the Honeywell MS8120F1002/U worldwide?

You can source the Honeywell MS8120F1002/U through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this fire and smoke rated actuator.

How to install the Honeywell MS8120F1002/U damper actuator?

Install the Honeywell MS8120F1002/U by mounting it directly onto the damper shaft, ensuring the shaft rotation (CW/CCW) matches the application. Connect 24V AC power via hardwired terminals, and verify the spring return operates correctly. Follow generic best practices for fire-rated actuator installation.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell fire & smoke rated actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Screw Terminals, NEMA 2 / IP54 (MPN MS8120A1007/U)
Honeywell
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Screw Terminals, NEMA 2 / IP54 (MPN MS8120A1007/U)
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Screw Terminals, NEMA 2 / IP54 (MPN MS8120A1205/U)
Honeywell
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Screw Terminals, NEMA 2 / IP54 (MPN MS8120A1205/U)
Actuator: Dampers, On/Off, Spring Return, 88 in-lb, 24V AC/DC, Screw Terminals, NEMA 2 / IP54 (MPN MS8110A1206/U)
Honeywell
Actuator: Dampers, On/Off, Spring Return, 88 in-lb, 24V AC/DC, Screw Terminals, NEMA 2 / IP54 (MPN MS8110A1206/U)
Actuator: Dampers, On/Off, Spring Return, 88 in-lb, 24V AC, Screw Terminals, NEMA 2 / IP54 (MPN MS8110A1008/U)
Honeywell
Actuator: Dampers, On/Off, Spring Return, 88 in-lb, 24V AC, Screw Terminals, NEMA 2 / IP54 (MPN MS8110A1008/U)
Rotary Actuator: Dampers/Valves, On/Off, Spring Return, 60 in-lb, 24V AC, Hardwired, NEMA 3 / IP54 (MPN M8185D1006/U)
Honeywell
Rotary Actuator: Dampers/Valves, On/Off, Spring Return, 60 in-lb, 24V AC, Hardwired, NEMA 3 / IP54 (MPN M8185D1006/U)

More from Honeywell

View all Honeywell parts
Actuator: Ball Valves/Butterfly Valves/Cage Valves/Dampers/Globe Valves, On/Off, Spring Return (MPN MS4120F1006/U)
Honeywell
Actuator: Ball Valves/Butterfly Valves/Cage Valves/Dampers/Globe Valves, On/Off, Spring Return (MPN MS4120F1006/U)
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 80 in-lb, 24V AC, Hardwired, NEMA 1 / IP54 (MPN MS8109F1010/U)
Honeywell
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 80 in-lb, 24V AC, Hardwired, NEMA 1 / IP54 (MPN MS8109F1010/U)
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 80 in-lb, 120V AC, Hardwired, NEMA 1 / IP40 (MPN MS4109F1010/U)
Honeywell
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 80 in-lb, 120V AC, Hardwired, NEMA 1 / IP40 (MPN MS4109F1010/U)
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 30 in-lb, 120V AC, Hardwired, NEMA 1 / IP40 (MPN MS4104F1010/U)
Honeywell
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 30 in-lb, 120V AC, Hardwired, NEMA 1 / IP40 (MPN MS4104F1010/U)
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Hardwired, NEMA 2 / IP54 (MPN MS8120F1200/U)
Honeywell
Actuator: Dampers, On/Off, Spring Return, 175 in-lb, 24V AC, Hardwired, NEMA 2 / IP54 (MPN MS8120F1200/U)
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 30 in-lb, 24V AC, Hardwired, NEMA 1 / IP40 (MPN MS8104F1010/U)
Honeywell
Actuator: Fire and Smoke Dampers, On/Off, Spring Return, 30 in-lb, 24V AC, Hardwired, NEMA 1 / IP40 (MPN MS8104F1010/U)
Coupled Actuator: Dampers, On/Off, Spring Return, 30 in-lb, 120V AC, Hardwired, IP40 (MPN MS4104F1210/U)
Honeywell
Coupled Actuator: Dampers, On/Off, Spring Return, 30 in-lb, 120V AC, Hardwired, IP40 (MPN MS4104F1210/U)
Actuator: Ball Valves/Butterfly Valves/Cage Valves/Dampers/Globe Valves, On/Off, Spring Return (MPN MS4120F1204/U)
Honeywell
Actuator: Ball Valves/Butterfly Valves/Cage Valves/Dampers/Globe Valves, On/Off, Spring Return (MPN MS4120F1204/U)