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Honeywell MS8120A1205/U Fail-Safe Spring Return Actuator - Fail-Safe Actuators with Spring Return
HoneywellFail-Safe Actuators with Spring Return

Honeywell MS8120A1205/U Fail-Safe Spring Return Actuator

The Honeywell MS8120A1205/U is a fail-safe actuator with spring return for dampers, operating in on/off mode. It features a 24V AC input, 95° stroke, self-centering clamping shaft, and CW/CCW rotation. This unit…

SKU 3G-OTH-67795

Also listed as: MS8120A1205U · MS8120A1205 U · MS8120A1205-U

Brand
Honeywell
Item
MS8120A1205/U Fail-Safe Spring Return Actuator
Part Number
MS8120A1205/U
Category
Fail-Safe Actuators with Spring Return
Available to Order
Also known as:MS8120A1205/UHoneywell
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Honeywell
Manufacturer Part Number
MS8120A1205/U
Type
On/Off, Spring Return, 175 in-lb, Screw Terminals, NEMA 2 / IP54
AC
24V
Shaft Type
Self-Centering Clamping
Input Voltage
24V AC
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
Yes
Electrical Connection Type
Screw Terminals
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

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

Product Description

The Honeywell MS8120A1205/U is a fail-safe actuator with spring return for dampers, operating in on/off mode. It features a 24V AC input, 95° stroke, self-centering clamping shaft, and CW/CCW rotation. This unit includes auxiliary switches and screw terminals, and is compatible with building automation systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Honeywell MS8120A1205/U actuator used for?

The Honeywell MS8120A1205/U is a fail-safe spring return actuator for dampers in building automation systems. It provides on/off control of HVAC dampers, ensuring damper closure on power loss. Typical applications include commercial air handling units, zone control, and ventilation systems requiring reliable fail-safe operation.

What are the specifications of the Honeywell MS8120A1205/U actuator?

The Honeywell MS8120A1205/U operates on 24V AC input with a 95° stroke and spring return. It features a self-centering clamping shaft, CW/CCW rotation, and screw terminals. The actuator includes auxiliary switches and is NEMA 2 / IP54 rated. It is compatible with building automation systems.

Where to buy the Honeywell MS8120A1205/U actuator worldwide?

You can source the Honeywell MS8120A1205/U actuator worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this Honeywell actuator.

How to install the Honeywell MS8120A1205/U actuator?

Install the Honeywell MS8120A1205/U by mounting it on the damper shaft using the self-centering clamping mechanism. Ensure 24V AC power is disconnected. Wire the screw terminals per the wiring diagram, observing CW/CCW rotation. After installation, test the spring return function to confirm fail-safe operation.

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
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Honeywell Products

3G Electric supplies Honeywell 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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Floating point/proportional actuator with spring return for fail-safe positioning of dampers and valves in HVAC systems. Operates on 24V AC/DC, features self-centering clamping shaft, 95° stroke, and CW/CCW rotation. Hardwired connection, compatible with building automation systems
Honeywell
Floating point/proportional actuator with spring return for fail-safe positioning of dampers and valves in HVAC systems. Operates on 24V AC/DC, features self-centering clamping shaft, 95° stroke, and CW/CCW rotation. Hardwired connection, compatible with building automation systems

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