Assa Abloy - SL510 Lock without latch, LD (fail secure)

Assa Abloy SL510 – Lock Unit (Without Latch, LD Configuration, Fail-Secure)

The Assa Abloy SL510 Lock Unit in LD (Low-Drag) configuration is a genuine fail-secure locking mechanism for SL510 automatic sliding door operators. Supplied without the latch/keep, this lock provides controlled and secure door holding while maintaining smooth, low-resistance door movement. In a power failure, the lock remains engaged to protect restricted areas.

Key Features & Benefits

• Fail-Secure Operation – Remains locked during power loss, ideal for controlled-access environments.

• LD Configuration – Low-drag design maintains smooth sliding performance with minimal mechanical resistance.

• Lock Body Only – Supplied without the latch/keep, allowing targeted replacement of the lock unit.

• Genuine Assa Abloy Component – Ensures perfect compatibility and reliable function with SL510 systems.

• Consistent Locking Performance – Provides stable, predictable engagement in daily operation.

• Durable Commercial Design – Engineered for long-term use in high-traffic installations.

Technical Summary

• Component type: Lock unit (without latch/keep)

• Configuration: LD (Low-Drag)

• Operation: Fail-secure – remains locked when power is lost

• Compatibility: Assa Abloy SL510 automatic sliding door operator

• Function: Provides secure locking when paired with the correct SL510 latch

• Fitment: Direct replacement for original fail-secure lock unit