STEP 550 is a powerful and fast motor lock for door environments with high demands on safety.
The technical advanced hook bolt is extremely strong, fast and withstands great stresses. The lock case is made of stainless steel and has a modern bolt placement with
the hook bolt and latch bolt located in the center of the lock case.
STEP 550 is adapted for use in door environments with the absolutely toughest intrusion protection requirements. Certified in Class 5 according to SSF 3522, and in Grade 7 according to SS-EN 14846.
Manipulation protected block function
A patent-pending block function automatically block the hook bolt when locked. At the same time, an indication locates the blocks position so you can trust that it really is locked. The block function is completely protected from access and thus ensures protection from manipulation.
Control unit with many smart features
The control unit uses encrypted communication AES- 128 for locking, unlocking and status indications. It can handle up to two motor locks. These can be controlled individually or synchronized for connection to access control systems, alarms and essential function. The control unit handles re-entry and day locking.
Adapted for door environments with fire requirements
STEP 550 is equipped with latch bolt and is suitable for door environments with fire requirements. CE marked according to EN 14846:2008 in fire resistance class E/EI120.
With unique FreeDrive® technology
The FreeDrive® technology disengages the motor in both locked and unlocked positions, allowing the lock to be independently used electrically and mechanically.
Learn more in our motor lock movie:
Outstanding use in emergency situations
STEP Exit emergency device
STEP 550 in combination with STEP Exit emergency devices gives you the opportunity to create a safer evacuation route with unmatched user-friendliness because the pressure is used in exactly the same way as in a normal passage.
FreeDrive® technology gives the products unmatched longevity
STEP 550 is equipped with FreeDrive®. The unique technology disengages the engine and gearbox, which means that they are never affected when the the evacuation device handle is used. This eliminates the wear of the engine and gearbox completely – even though the handle may be used thousands of times every day.