Premium mechanical emergency locks certified acc. to EN 179
STEP SE27 is a mechanical emergency lock with double latch bolts, split function and re-entry function. The lock is developed with unmatched quality built to last over time.
- Modern bolt placement with the cylinder latch bolt located in the center of the lock case.
- With re-entry function.
- The lock is reversible to fit both right and left hung doors.
- Lock case face plate in stainless steel.
- Latch bolts in hardened steel with a surface treatment of chemical nickel plating.
- Perfectly suited for use in combination with electric strikes.
Replacement guide
STEP SE27 corresponds to ASSA 727 with activation of re-entry function via the lever handle follower.
For door environments with evacuation requirements
Certified for evacuation acc. to EN 179 in combination with STEP Exit emergency exit devices.
Go to the Exitguide to find matching emergency devices for STEP SE27.
For door environments with fire requirements
Certified for fire resistance in Grade 1 (E/EI120) acc. to EN 12209.
With quality-assured split function
STEP SE27 is equipped with split function that really lasts over time.
The split function means that the interior lever handle and exterior lever handle can work independently of each other. This allows you to have a controlled access control from the outside, while at the same time you can open the door by only using the lever handle from the interior side.
With or without microswitches
Choose between a version with microswitches (SE27M) or without (SE27), depending on your needs.
For door environments with high operational reliability
Ideal for daytime locking and internal locking in offices, schools, hospitals, industrial facilities, and other shared spaces.
Swedish premium quality
All our products are developed and manufactured by us in Sweden. Maximum functionality and operational reliability are features we never compromise on. By choosing STEP, you not only support Swedish technology and industry – you also choose premium-quality products that ensure long-term reliability.
STEP SE27 Emergency lock case
Mechanical emergency lock case with double latch bolts, split function and re-entry function
STEP SE27 is a mechanical emergency lock case you can truly rely on. With the same high standards for quality, feel and finish, it is now possible to give the entire door environment a consistent level of quality, as the mechanical lock in the door can maintain exactly the same high level as the electric strike plate in the frame. Certified acc. to EN 179.Opening the door in-/outside.
Key retracts all latch bolts.Switchable split function lever handle.
Opening the door from the inside.
Evacuation via STEP Exit emergency device or normal passage with lever handle retracts all latch bolts, the upper latch bolt then stays retracted in the lock.After evacuation, the upper latch bolt is restored with a full turn of the key via cylinder.
Opening the door from the outside.
Lever handle on the outside of the door retracts lower latch bolt.Mechanical emergency lock case with double latch lock. With split function and re-entry function. Certified acc. to EN 179.
Certificates
- Certified for evacuation according to EN 179:2008.
- Certified for fire resistance in Grade 1 (E/EI120) according to EN 12209.
Technical information
- Modern bolt placement.
- Backset 50 mm.
- Split function.
- STEP Square spindle is included in the package, ST1088-50 and ST1088-57.
- Reversible to fit both right and left hung doors.
- The latch bolts are made of hardened steel with a surface treatment of chemical nickel plating.
- For round and oval Scandinavian cylinders.
- Evacuation is ensured together with STEP Exit emergency devices.
- Lock case face plate in stainless steel.
- Available with or without micro switch.
- Very well suited for use together with STEP Electric strikes.
- Unsurpassed quality.
- Developed and produced in Västerås, Sweden.
- Patent pending.
Substitute products
Accessories
STEP Lead cover ST1283
STEP lead cover is made of stainless steel and fits both wooden, steel and aluminum doors.
The spring has a wide inner diameter of 12.8 mm which facilitates the passage of the cable.
STEP lead cover is adapted for our motor locks, solenoid locks and all STEP mechanical locks equipped with a microswith.
