Premium mechanical emergency locks certified acc. to EN 179
STEP E37 is a mechanical emergency lock with interlocked cylinder latch bolt, without lever handle follower. 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 bolt in hardened steel with a surface treatment of chemical nickel plating.
- Perfectly suited for use in combination with electric strikes.
Replacement guide
STEP E37 corresponds to ASSA 727 without lever handle latch bolt.
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 E37.
For door environments with fire requirements
Certified for fire resistance in Grade 1 (E/EI120) acc. to EN 12209.
With or without microswitches
Choose between a version with microswitches (E37M) or without (E37), 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 E37 Emergency lock case
Mechanical emergency lock case with interlocked cylinder latch bolt with re-entry function
STEP E37 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 both latch bolts.Opening the door from the inside.
Evacuation via STEP Exit emergency device retracts both 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.
Mechanical emergency lock case with cylinder latch lock and interlock. Without handle follower. With 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 in combination with a latch lock.
Technical information
- Modern bolt placement.
- Backset 50 mm.
- 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.
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.
