65mm Backset. The Abloy EL520 is a high security DIN standard motor lock for wooden and metal doors. It features a robust motorized mechanism that ensures reliable operation and is compatible with a wide range of access control systems. Engineered with versatility in mind, the EL520 offers fail-safe (unlocked when powered off) or fail-secure (locked when powered off) configurations to meet diverse security requirements. The lock supports both mechanical key override and electric locking functions, making it ideal for controlled entry and emergency access scenarios, and is non handed making it suitable for both right and left handed doors.. Motorised bolt traction for push & pull and door automatics use. Electric anti-tampering: if deadbolt is thrown out when door is not closed, it is withdrawn in automatically. Exit function by inside handle. Easily switchable between fail-unlocked and fail-locked settings