Dorma Closer TS73EMF EN4 Electromagnetic Hold Open - Body Only (53010101) - Silver
The Dorma TS73EMF EN 4 is a combined hydraulic door closer and electromagnetic hold-open unit. It is designed to hold doors open under normal conditions and automatically release and close the door in the event of fire, power failure, or manual activation.
This product is supplied as the closer body only. Arm assemblies and connection accessories are selected separately to suit the door configuration and compliance requirements.
Key Features
- Integrated electromagnetic hold-open and hydraulic door closer.
- Automatic door release on fire alarm signal, power failure, or manual activation.
- Free selection of hold-open angle above 75 degrees without mechanical adjustment.
- Adjustable closing speed via valve.
- Latching speed adjustable via arm assembly.
- Designed for use on standard and fire or smoke check doors.
Fire Rated
- Suitable for use on fire and smoke check doors when installed in an approved configuration.
- The electromagnetic hold-open function must be connected to a compliant fire detection or alarm system.
- Final suitability must be confirmed for the specific door, arm assembly, and building compliance requirements.
Specifications
- Item Code: DOTS73EMF4HO
- Manufacturer Reference: 53010101
- Product Type: Electromagnetic hydraulic door closer body
- Closer Model: Dorma TS73EMF
- Spring Strength: EN 4
- Maximum Door Width: Up to 1100 mm
- Hold Open Function: Electromagnetic
- Operating Voltage: 24 V DC
- Finish: Silver
What's In The Box
- 1 × Dorma TS73EMF EN 4 closer body with electromagnetic hold-open
Suitable Uses
- Fire and smoke doors requiring controlled hold-open and automatic release.
- Corridors, hospital wards, aged care facilities, and public buildings.
- Doors connected to fire detection or building management systems.
Dimensions
| Dimension | Size |
|---|---|
| Length | 320 mm |
| Width | 45.5 mm |
| Height | 60 mm |
| Weight | 3.4 kg |
Frequently Asked Questions
- Does this closer hold the door open during normal operation?
Yes. The door is held open electromagnetically and will release automatically when power is removed or a fire signal is received. - Is this supplied with an arm?
No. This listing is supplied as the closer body only. Arm assemblies are selected separately. - What happens during a power failure?
In the event of power loss, the electromagnetic hold-open is released and the door closes under hydraulic control.
Additional Information
- Electromagnetic hold-open closers are commonly used to maintain accessibility while preserving fire compartmentation.
- Connection to fire alarm or smoke detection systems must comply with local regulations.
- Installers typically verify release and closing performance during commissioning and routine maintenance.
