
Honeywell
Honeywell MS8104F1210 Fast-Acting Two-Position Spring Return Actuator with Auxiliary Switches
Order by 2 PM ET on business days — same-day shipping on in-stock items
🔒 Guaranteed Safe & Secure Checkout
In-stock orders placed by 2 PM ET on business days ship the same day. Free shipping on every continental US order. Estimated delivery 3–5 business days via USPS, UPS, or FedEx (carrier selected at our discretion).
- Same-day shipping on in-stock orders placed by 2 PM ET (business days)
- Estimated delivery 3–5 business days, continental US only
- Tracking emailed within 24 hours
- 30-Day Returns
Product Description
Honeywell MS8104F1210 — Fast-Acting Two-Position Spring Return Actuator with Auxiliary Switches
Overview
The Honeywell MS8104F1210 Fast-Acting Two-Position Spring Return Actuator with Auxiliary Switches is a genuine OEM component engineered for reliable performance in commercial HVAC and building automation systems. The MS8104F1210 is built to Honeywell's demanding quality and life-testing standards, ensuring consistent operation over its service life. The MS8104F1210 is a trusted choice for HVAC technicians and building engineers requiring dependable, direct-fit replacement parts.
Key Features
- Spring return direct coupled actuator (DCA) for Fire and Smoke dampers (on/off control)
- Includes 2 internal SPST auxiliary switches for position indication
- Reversible mounting for clockwise (CW) or counterclockwise (CCW) spring rotation
- No special cycling required during long-term holding
- Die-cast aluminum housing for flush mounting to damper
Technical Specifications
| Specification | Value |
|---|---|
| Actuator Type | Fast-Acting, Two-Position, Spring Return, Direct Coupled |
| Voltage | 24 VAC/DC +20%/-10%, 50/60 Hz |
| Torque | 30 lb-in (3.4 N-m) |
| Internal Auxiliary Switches | 2 SPST |
| Power Consumption | 16 VA Running, 8 VA Holding |
| Spring Return Time | 15 seconds |
| Angle of Rotation | 95 degrees |
| UL Rating | UL555S up to 350 deg F |
Applications
This component is commonly used in fire and smoke damper control in commercial HVAC and building life-safety systems requiring position feedback.
Frequently Asked Questions
What is the Honeywell MS8104F1210 used for?
The Honeywell MS8104F1210 is used as a fast-acting two-position spring return actuator with auxiliary switches in commercial HVAC and building automation systems.
How do I confirm the MS8104F1210 is the right fit for my system?
Always verify the part number, voltage, and physical dimensions against your equipment nameplate or original part before ordering.
Where can I buy the Honeywell MS8104F1210?
You can buy the genuine Honeywell MS8104F1210 directly from coolingpartssupply.com with Free UPS Ground Shipping on all orders.
What is the warranty on the MS8104F1210?
The MS8104F1210 is backed by a 1-year warranty. For warranty support, contact support@coolingpartssupply.com.
Specifications
| Brand | Honeywell |
|---|---|
| Product Type | Damper Actuators |
| SKU | MS8104F1210 |
| Condition | New |