The standard set of the concealed closing system BOXER 2-4 ISM includes 2 closer profiles and a double ISM guide rail.
Should you require any auxiliary tools, please select them from the 'Additional products' section in our E-shop.
Concealed closing system for double doors GEZE Boxer 2-4 E-ISM
Manufacturer - GEZE (Germany)
- fully built-in door closer for double doors with guide rail, door closing coordinator and integrated electric hold-open for both door leaves
- guide rail is visible only when the door is open
- door closing coordinator ensures correct closing order of door leaves – passive leaf first, then the active one
- suitable for fire safety doors that must remain open:
- the guide rail feeds 24V power from the fire detection and alarm system, and the door remains in an open position
- in case of an emergency, the power supply is interrupted, and the door automatically closes
- it is recommended to install a local switch near the door to switch the power off manually and release the door from the hold-open position
- corresponds with fire safety door requirements with emergency opening function for the passive leaf, according to EN 1125 (proof of suitability for the door is required)
- adjustable hold-open force
- hold-open range: 80° - 120°
- operating voltage: 24 V DC
- complies with EN 1155 and EN 1158 requirements
- suitable for both left and right hand doors
- symmetrical and asymmetrical division of door possible
- continuous adjustment of closing force and speed
- closing force: 2-4 according to EN 1154 A
- opening angle: 120°
- valve control for regulating latching action speed
- adjustable hydraulic soft opening mechanism
- all functions convenient to adjust after installation
- optional feature: integrated opening restrictor
- width of one leaf: up to 1100 mm
- door leaf thickness: from 40 mm
- size of closer profile: 286 x 32 x 45 mm
- guide rail height: 30 mm
- guide rail width: 31 mm
- max distance between hinges: 2800 mm
- min distance between hinges: 1300 mm
- min passive leaf width: 540 mm
- tone - silver
Auxiliary tools
- Integrated opening restrictor
Alternative to doorstops.
Code: SB00004445 (1 or 2 pc. as needed)

- Guide rail controller
Service component - for replacement of a broken plastic controller
Code: SB00004525

- Products
- Price
- In Stock
- Quantity
-
BOXER door closer 2-4 without guide railCode: SB00004537Art. Nr.: 099728Price:From €175.45In Stock: 7 pc. -
BOXER E-ISM guide rail for double leaf doors, with closing sequence control and electrical hold-open deviceCode: SB00021125Art. Nr.: 114142Price:From €670.34In Stock: 0 kit
Additional products
- Products
- Price
- In Stock
- Quantity
-
ISM guide rail opening restrictorCode: SB00004445Art. Nr.: 145311Price:From €25.89In Stock: 4 pc. -
CB FLEX, activator, silverCode: SB00004489Art. Nr.: 153602Price:From €45.58In Stock: 3 pc.
| Manufacturer | GEZE |
|---|---|
| Series | BOXER |
| closer operating type | hydraulic closer |
| closer type | with guide rail |
| application | for double leaf hinged doors |
| number of door leaves | 2 leaves |
| installation type | built-in, concealed |
| fire safety | suitable for fire safety doors |
| closing force | size 2-4 according to EN 1154 |
| door closing coordination | integrated, adjustable |
| back check | hydraulically adjustable |
| latching action | adjustable with valve |
| doorstop | built-in |
| hold open | yes, integrated with 24 V power supply |
| closing force adjustment position | from above |
| closing force adjustment | continuous control with valve |
| hold open range | 80°-120° |
| min. distance between hinges | 1300 mm |
| maximum opening angle | 120° |
| track dimensions | 31 x 30 mm |
| body dimensions | 286 x 32 x45 mm |
| maximum single leaf width | up to 1100 mm |
| minimum stationary leaf width | 540 mm |
| IP rating | IP43 |
| power frequency | 50 Hz |
| operating voltage | 24 V DC |








