High security deadbolt Technilock® L4
Fail-unlocked
Product description
Electromechanical drop bolt for use in high security areas
Features of the fail-unlocked version:
In the fail-unlocked version, the door is always unlocked without power. The focus is on opening in the event of danger
In the event of a power failure/fault, the lock is opened
Application:
When a high locking pressure is required, but the door must open in the event of a power failure
Actuation by fire alarm/smoke alarm system is possible to ensure safe exit from the Hazardous area.
Cannot be used as an electric locking system in accordance with EltVTR or DIN EN13637
Note
- Striking plate is not included in the scope of delivery.
| Input operating voltage | 24 V DC, stabilised |
| Rated operating voltage tolerance range | -10 % / +15 % |
| Rated current consumption | Impulse current: 4 A (0,5 sec); hold current: 0,25 A |
| Max. contact load capacity | 25 mA / 24V DC |
| Current consumption for operating voltage 24 V DC | 0.25 A |
| Current consumption for switch-on current 24 V DC | 4 mA |
| Bolt side load breaking force | 20000 N |
| Max. bolt side load | 50000 N |
| Bolt throw | 20 mm |
| Case depth | Backset + 17,5 mm |
| Operating temperature range | -20 °C to +60 °C |
| Distance between faceplate and striking plate | Min. 2 mm to max. 5,5 mm |
| Version | Fail-unlocked |
| Backset | 40 mm |
| Dimension housing | 305 x 24 x 54,5 mm (LxWxD) |
| Faceplate dimensions | 375 x 32 x 3 mm (LxWxD) |
| | Order number | Product |
|---|---|---|
 | 844L4SBL1----01 | Strike plate, model 844L4SBL Standard DIN Universal |
 | 844L4SBL2----04 | Strike plate, model 844L4SBL Standard, flanged 28 mm, DIN left |
 | 844L4SBL2----05 | Strike plate, model 844L4SBL Standard, flanged 28 mm, DIN right |
 | 844L4SBL3----01 | Strike plate, model 844L4SBL Adjustable, DIN Universal |
 | 844L4SBL4----04 | Strike plate, model 844L4SBL Adjustable, flanged 28 mm, DIN left |
| 844L4SBL4----05 | Strike plate, model 844L4SBL Adjustable, LAP 28 mm, DIN right |
 | 844L4SBLM----01 | Replacement Striking Plates L4-M4 Standard, M4-compatible dimensions, DIN universal |
 | 844L4SBLM3---01 | Replacement Striking Plates L4-M4 Adjustable, M4-compatible dimensions, DIN universal |
 | 844L4ZBD1----00 | Spacer plates, model 844L4ZBD1 Spacer plates |
 | 844L4RGK30---01 | Bolt case model 844L4RGK 30 mm backset, only for Technilock® L4 variant without follower |
| 844L4RGK35---01 | Bolt case model 844L4RGK 35 mm backset, only for Technilock® L4 variant without follower |
| 844L4RGK40---01 | Bolt case model 844L4RGK 40 mm backset, only for Technilock® L4 variant without follower |
| 844L4RGK60---01 | Bolt case model 844L4RGK 60 mm backset, only for Technilock® L4 variant without follower |
 | 844L4SBK-----01 | Strike plate box, model 844L4SBK Strike plate box, model 844L4SBK |
 | 844SX63-------- | Security Escutcheon Model 844SX63 With core drawback protector; for Eurocylinder; nickel-plated mat |
 | 844L4ZBP1----00 | Circuit board potential-free contact; compatible with M4; only for Technilock® L4 variant without follower |