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ISEO 781301B Electa Lock with rotary bolt and adjustable latch (Backset 30 mm)

Electa Single lateral point Mechanical door lock using Rotating deadbolt and adjustable latch, Backset 30 mm, Flat Stainless steel Faceplate 290×24×3 mm. Lateral locking is operated by a Euro-profile cylinder.

ISEO 781301B Backset 30 mm, Measurement diagram from faceplate reference line to operating axis
Drawn by this site from catalogue backset to explain the distance from faceplate to operating axis; not a lock-case outline, drilling or installation drawing. Check actual measurement points against the original catalogue.

Lock and fitting dimensions

Dimensions from model documentation
SpecificationsDimensions from model documentation
Backset E30 mm
Faceplate dimensions290×24×3 mm
Handle spindle8 mm

Check the backset, centre distance, faceplate and mounting points against the specific model drawing.

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Specifications

Series
Electa mechanical lock
Locking arrangement
Single lateral point
Backset E
30 mm
Faceplate dimensions
290×24×3 mm
Faceplate profile
Flat
Faceplate material
Stainless steel
Locking component
Rotating deadbolt and adjustable latch
Cylinder interface
Euro-profile cylinder
Main bolt throw
24 mm
Latch
Independent and reversible, adjustable from 10–15 mm
Handle spindle
8 mm

Faceplate and installation dimensions

This model's backset E is 30 mm, the horizontal distance from the faceplate reference to the cylinder operating axis. Faceplate specification 290×24×3 mm must be checked together with the door-edge mortice; door thickness cannot replace backset.

This model has a flat faceplate; check length, width and thickness separately rather than replacing solely on similar appearance.

Locking construction and accessories

The independent reversible latch adjusts from 10–15 mm and can be operated by a key or 8 mm handle spindle. Check door handing and the latch contact position on the striking plate.

This is a single lateral locking point; when replacing it, check the frame keep, cylinder position and faceplate mortice together. Faceplate width alone does not establish interchangeability.

Limitations

  • Striking plates and matching accessories are ordered separately according to the original catalogue; this page's dimension diagram is not a drilling or installation template.
  • Confirm door handing, keep positions and complete installation requirements from this model's instructions.

Sources

ISEO Catalogue 02 .42, pages 2-200

Manufacturer documents are provided in their original language.

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Manufacturer documents are provided in their original language.