Magnetic door holders are a critical component in modern fire alarm and life-safety systems. They securely hold doors open for convenient evacuation routes or daily traffic, then release automatically when a fire alarm sounds. The right magnetic door holder integrates with fire alarm panels, ensures fail-safe operation, and withstands daily wear. This guide highlights five reliable options from trusted brands and explains what to look for when pairing a holder with a fire alarm system.
| Product | Brand | Holding Power | Mount Type | Key Benefit |
|---|---|---|---|---|
| Seco-Larm DH-171SQ | Seco-Larm | 33 lb / 15 kg | Flush-Mount | Strong hold, fail-safe |
| Fire-Lite FM998 | Fire-Lite | Not specified | Wall/Rec | Fire alarm compatible |
| Seco-Larm DH-151SQ | Seco-Larm | 33 lb / 15 kg | Surface-Mount | Easy release, robust |
| Simplex DH24120SPC | Simplex | Not specified | Surface Mount | Fire safety equipment leader |
| STI-6400 Exit Stopper | STI | Not specified | Wall/Deadfront | Deterrent and alarm |
When evaluating these products, consider holding force, mounting style, compatibility with your fire alarm panel, and whether the device is fail-secure or fail-safe. The list below focuses on models that align with typical U.S. fire-code requirements, offer straightforward installation, and provide clear release behavior during an alarm event. Each option serves a slightly different installation scenario—flush-mount for a clean aesthetic, surface-mount for retrofit projects, and specialized units designed to pair with specific alarm systems.
Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder

Seco-Larm’s DH-171SQ is a flush-mount magnetic door holder designed to pair with Seco-Larm door closers. With a 33-pound (15 kg) holding force, this unit secures doors in the open position while occupants pass, then releases cleanly when the fire alarm triggers. The hardware is built for reliability, offering a fail-safe operation that ensures doors release during an alarm. The flush-mount profile minimizes protrusion and maintains a neat door line, ideal for corridors and classrooms where aesthetics and safety both matter.
Key considerations for this model include compatibility with Seco-Larm closers and the building’s electrical wiring. It works within typical fire-alarm integration schemes and provides a straightforward installation path for facilities upgrading from older hardware. For facilities prioritizing a minimal visual footprint without sacrificing performance, the DH-171SQ is a practical option.
Fire-Lite FM998 Dr Holder Quad V Rec Wall 120v

Fire-Lite’s FM998 model is positioned as a compact holder suitable for integration with Fire-Lite/Burnham-style alarm ecosystems. While specific holding force data isn’t listed in the product snippet, the FM998 is designed to support facilities where Fire-Lite equipment is the central control point. This unit emphasizes quick response and reliable cueing to release doors in the event of a fire alarm. It’s a good match for environments already standardized on Fire-Lite hardware, offering cohesive performance with a focus on dependable operation during emergencies.
When selecting a Fire-Lite compatible door holder, verify the panel’s wiring requirements and whether the device requires a separate relay or can be directly integrated. As with any fire-safety accessory, ensure the installation complies with local codes and manufacturer recommendations to maintain system integrity during an alarm.
Seco-Larm DH-151SQ Magnetic Door Holder, Surface-Mount

Seco-Larm’s DH-151SQ offers a surface-mount solution with the same 33-pound holding force as the flush-mount variant. The surface-mount design can simplify retrofits, reducing the need for masonry work or deep mounting cavities. It’s suitable for corridors, classrooms, and entrances where quick door control is essential for safe egress and secure passage during routine operations. The unit shares Seco-Larm’s emphasis on fail-safe release, ensuring doors unlock when the alarm triggers while avoiding residual magnetism that could hinder easy reentry post-alarm after the area is secured.
Installation considerations include ensuring a clean alignment with the door and closer. Check the power supply and wiring paths to maintain stable performance. For facilities needing a non-flush option that preserves interior finishes, the DH-151SQ provides a dependable alternative without compromising safety standards.
Simplex DH24120SPC Door Holder Surface Mount Chrome Fire Alarm

Simplex is a recognized name in fire safety, and the DH24120SPC Door Holder Surface Mount offers a Chrome-finished option designed to complement modern interiors. While the listed features emphasize Simplex’s role as a major supplier, this device aligns with standard fire alarm integrations and ensures doors remain open during maintenance or evacuation planning, releasing reliably when the system detects a fire event. The chrome finish and durable construction make it a suitable choice for public spaces, hospitals, and educational facilities seeking a reputable, widely supported brand.
As with any Simplex device, verify compatibility with the existing alarm panel and ensure the installation honors local electrical codes. The surface-mount approach provides a straightforward installation path for upgrades and retrofits where visible hardware is acceptable.
STI-6400 Exit Stopper Multifunction Door Alarm

STI’s 6400 Exit Stopper combines a door alarm with a bold, highly visible stop-sign design to deter unauthorized exits and entries. The rugged polycarbonate housing is designed to withstand heavy use, and the unit detects both unauthorized exits and entries, aligning with building safety protocols. While this option goes beyond a simple magnetic release, it complements a comprehensive fire-safety strategy by providing clear visual deterrence and an audible alert in addition to traditional door-holding functionality.
When integrating STI’s Exit Stopper into a fire alarm system, ensure the device’s alarm output harmonizes with the building’s fire control panel. Consider maintenance requirements, battery backup (if applicable), and how the unit interacts with egress routes during alarms to maintain clear, safe passage for occupants.
Buying Guide: How To Choose Magnetic Door Holders For Fire Alarm Systems
Key purchase considerations include holding force, mounting style, and compatibility with your fire panel. For high-traffic corridors, a unit with a 33 lb (15 kg) holding force offers reliable retention without overburdening the door hardware. Flush-mount and surface-mount options each suit different installation constraints; choose based on your wall and door setup, aesthetics, and retrofit feasibility.
Fire alarm compatibility is essential. Some holders are designed to be direct-relay devices, while others require a separate relay module or integration through the panel’s output. Always verify the device’s release behavior during an alarm and confirm whether the magnet is fail-safe (releases when power is lost) or fail-secure (holds until released by an explicit signal). Residual magnetism should be minimal to facilitate quick re-closure after an alarm.
Durability and compliance matter. Select housings rated for commercial use and ensure the unit complies with local fire codes and the relevant NFPA standards. Look for units with a proven track record and available technical support from the manufacturer. For facilities with ongoing maintenance programs, choose devices with readily available spare parts and documented installation procedures.
Aesthetics and retrofit considerations also play a role. Flush-mount options deliver a discreet profile, while surface-mount models simplify retrofits and wall repairs. In environments needing strong visual deterrence or combined alarm signaling, devices like exit stoppers can add an additional safety layer alongside standard door-holding hardware.
In summary, the right magnetic door holder for fire alarm systems balances mechanical performance, electrical compatibility, and installation practicality. Assess your doors, panels, and code requirements to select a model that maintains safe egress, supports routine operations, and integrates smoothly with ongoing life-safety plans.