We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Honeywell MS4120A1001/U Fail-Safe Spring Return Actuator - Fail-Safe Actuators with Spring Return
HoneywellFail-Safe Actuators with Spring Return

Honeywell MS4120A1001/U Fail-Safe Spring Return Actuator

The Honeywell MS4120A1001/U is a fail-safe actuator with spring return, designed for use with ball valves, butterfly valves, cage valves, dampers, and globe valves. It features a self-centering clamping shaft type…

SKU 3G-OTH-67759

Also listed as: MS4120A1001U · MS4120A1001 U · MS4120A1001-U

Brand
Honeywell
Item
MS4120A1001/U Fail-Safe Spring Return Actuator
Category
Fail-Safe Actuators with Spring Return
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 — 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
MS4120A1001/U
Type
On/Off, Spring Return
Shaft Type
Self-Centering Clamping
Input Voltage
100 to 250V AC
Stroke Degree
95°
Shaft Rotation
CW/CCW
Auxiliary Switch Included
No
Electrical Connection Type
Screw Terminals
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 MS4120A1001/U is a fail-safe actuator with spring return, designed for use with ball valves, butterfly valves, cage valves, dampers, and globe valves. It features a self-centering clamping shaft type, 95° stroke degree, and CW/CCW shaft rotation, operating on 100 to 250V AC input voltage with screw terminals. This on/off actuator is building automation system compatible.

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 MS4120A1001/U actuator used for?

The Honeywell MS4120A1001/U is a fail-safe spring-return actuator for on/off control of ball valves, butterfly valves, cage valves, dampers, and globe valves in building automation systems. It provides reliable positioning with a 95° stroke and self-centering clamping shaft.

What are the specifications of the Honeywell MS4120A1001/U?

The Honeywell MS4120A1001/U operates on 100 to 250V AC input voltage, features a self-centering clamping shaft, CW/CCW rotation, and a 95° stroke degree. It uses screw terminals for electrical connection and is building automation system compatible.

Where to buy the Honeywell MS4120A1001/U worldwide?

3G Electric supplies the Honeywell MS4120A1001/U fail-safe actuator worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this building automation compatible actuator.

How to install the Honeywell MS4120A1001/U actuator?

Mount the Honeywell MS4120A1001/U securely to the valve or damper shaft using the self-centering clamping mechanism. Connect 100 to 250V AC power to the screw terminals per wiring diagram. Ensure spring return direction matches application before powering on.

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 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
On/Off, spring return actuator with self-centering clamping shaft for 95° stroke rotation (CW/CCW). Operates on 100 to 250V AC input via screw terminals. Includes auxiliary switch. Suitable for on/off control of valves and dampers in building automation systems
Honeywell
On/Off, spring return actuator with self-centering clamping shaft for 95° stroke rotation (CW/CCW). Operates on 100 to 250V AC input via screw terminals. Includes auxiliary switch. Suitable for on/off control of valves and dampers in building automation systems
On/Off spring return actuator for 95° stroke positioning of dampers and valves in building automation systems. Operates on 100 to 250V AC input with self-centering clamping shaft and CW/CCW rotation. Includes auxiliary switch and screw terminals
Honeywell
On/Off spring return actuator for 95° stroke positioning of dampers and valves in building automation systems. Operates on 100 to 250V AC input with self-centering clamping shaft and CW/CCW rotation. Includes auxiliary switch and screw terminals
On/Off spring return actuator with self-centering clamping shaft, 95° stroke, and CW/CCW rotation. Accepts 100 to 250V AC input via screw terminals. Compatible with building automation systems for control of dampers and valves
Honeywell
On/Off spring return actuator with self-centering clamping shaft, 95° stroke, and CW/CCW rotation. Accepts 100 to 250V AC input via screw terminals. Compatible with building automation systems for control of dampers and valves
This Honeywell fail-safe actuator with spring return is designed for use with ball valves, butterfly valves, cage valves, dampers, and globe valves in building automation systems. It operates on 24V AC/DC input voltage with a 95° stroke and supports both CW and CCW shaft rotation via self-centering clamping. The actuator includes an auxiliary switch and screw terminals for electrical connection, and is compatible with building automation systems
Honeywell
This Honeywell fail-safe actuator with spring return is designed for use with ball valves, butterfly valves, cage valves, dampers, and globe valves in building automation systems. It operates on 24V AC/DC input voltage with a 95° stroke and supports both CW and CCW shaft rotation via self-centering clamping. The actuator includes an auxiliary switch and screw terminals for electrical connection, and is compatible with building automation systems
Floating point/proportional actuator with spring return for fail-safe operation. Features self-centering clamping shaft, 95° stroke, CW/CCW rotation, and 24V AC input. Includes auxiliary switch and screw terminals. Compatible with building automation systems for use with valves and dampers
Honeywell
Floating point/proportional actuator with spring return for fail-safe operation. Features self-centering clamping shaft, 95° stroke, CW/CCW rotation, and 24V AC input. Includes auxiliary switch and screw terminals. Compatible with building automation systems for use with valves and dampers
On/off fail-safe spring return actuator with self-centering shaft for 95° stroke rotation (CW/CCW). Operates on 100 to 250V AC input and includes an auxiliary switch with screw terminals. IP54 rated and plenum rated for use in air-handling spaces. Suitable for on/off control of dampers and valves such as ball, butterfly, cage, and globe valves
Honeywell
On/off fail-safe spring return actuator with self-centering shaft for 95° stroke rotation (CW/CCW). Operates on 100 to 250V AC input and includes an auxiliary switch with screw terminals. IP54 rated and plenum rated for use in air-handling spaces. Suitable for on/off control of dampers and valves such as ball, butterfly, cage, and globe valves

More from Honeywell

View all Honeywell parts
This Honeywell fail-safe actuator with spring return is designed for use with ball valves, butterfly valves, cage valves, dampers, and globe valves in building automation systems. It features a self-centering clamping shaft, 95° stroke, and CW/CCW rotation. The actuator operates on 24V AC input voltage and provides a 0 to 10V DC output signal for proportional control. Electrical connection is via screw terminals
Honeywell
This Honeywell fail-safe actuator with spring return is designed for use with ball valves, butterfly valves, cage valves, dampers, and globe valves in building automation systems. It features a self-centering clamping shaft, 95° stroke, and CW/CCW rotation. The actuator operates on 24V AC input voltage and provides a 0 to 10V DC output signal for proportional control. Electrical connection is via screw terminals
Fail-safe spring return actuator for damper control, accepting 2 to 10V DC input. Includes two auxiliary switches. Suitable for HVAC and industrial ventilation systems requiring reliable positioning upon power loss
Honeywell
Fail-safe spring return actuator for damper control, accepting 2 to 10V DC input. Includes two auxiliary switches. Suitable for HVAC and industrial ventilation systems requiring reliable positioning upon power loss
This Honeywell fail-safe actuator provides spring return operation for damper control in HVAC systems. It features on/off control, 88 in-lb torque, 95° stroke with CW/CCW rotation, and a self-centering clamping shaft. Operating on 24V AC, it connects via screw terminals and is rated NEMA 2/IP54 for indoor use
Honeywell
This Honeywell fail-safe actuator provides spring return operation for damper control in HVAC systems. It features on/off control, 88 in-lb torque, 95° stroke with CW/CCW rotation, and a self-centering clamping shaft. Operating on 24V AC, it connects via screw terminals and is rated NEMA 2/IP54 for indoor use
Rotary Actuator: Dampers/Valves, On/Off, Spring Return, 60 in-lb, 24V AC, Quick Connect Terminals (MPN M4185B1058/U)
Honeywell
Rotary Actuator: Dampers/Valves, On/Off, Spring Return, 60 in-lb, 24V AC, Quick Connect Terminals (MPN M4185B1058/U)
This Honeywell fail-safe rotary actuator provides spring return operation for on/off control of dampers and valves in building automation systems. It delivers 60 in-lb torque, operates on 24V AC with 20W power, and features a double-ended shaft with 160° stroke and clockwise rotation. The hardwired unit has a NEMA 3 / IP54 enclosure suitable for indoor or protected outdoor use
Honeywell
This Honeywell fail-safe rotary actuator provides spring return operation for on/off control of dampers and valves in building automation systems. It delivers 60 in-lb torque, operates on 24V AC with 20W power, and features a double-ended shaft with 160° stroke and clockwise rotation. The hardwired unit has a NEMA 3 / IP54 enclosure suitable for indoor or protected outdoor use
This Honeywell fail-safe actuator provides spring return operation for globe valves in HVAC and industrial systems. It delivers 27 in-lb torque with on/off control, operates on 24V AC/DC, and features a 95° stroke with CW/CCW rotation. The self-centering clamping shaft and screw terminals simplify installation, while the auxiliary switch enables status feedback
Honeywell
This Honeywell fail-safe actuator provides spring return operation for globe valves in HVAC and industrial systems. It delivers 27 in-lb torque with on/off control, operates on 24V AC/DC, and features a 95° stroke with CW/CCW rotation. The self-centering clamping shaft and screw terminals simplify installation, while the auxiliary switch enables status feedback
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
Floating point/proportional fail-safe actuator with spring return for use with dampers and valves in HVAC systems. Features self-centering clamping shaft, 95° stroke, CW/CCW rotation, and 24V AC input. Includes auxiliary switch and screw terminals. Compatible with building automation systems
Honeywell
Floating point/proportional fail-safe actuator with spring return for use with dampers and valves in HVAC systems. Features self-centering clamping shaft, 95° stroke, CW/CCW rotation, and 24V AC input. Includes auxiliary switch and screw terminals. Compatible with building automation systems