Name: CISA Tekno iNOVATE 35/55 double cylinder with clutch (10T31132012)
Brand: CISA

CISA 10T31132012 — Official series illustration, not a photo of this exact size variant; consult model specifications. — Official series illustration, not a photo of this exact size variant; consult model specifications.Image source

10T31132012 dimension diagram: side B 54.5 mm, side A 34.5 mm, overall body length 89 mm — Our dimension diagram follows the corresponding catalogue row; it is not a product view or machining template; the projecting knob shaft is excluded from body dimension L.

Cylinder dimensions

Dimensions from model documentation
Specifications	Dimensions from model documentation
Dimension A	34.5 mm
Dimension B	54.5 mm
Overall length L	89 mm

Measure both sides from the fixing screw. Check the cylinder profile, cam and version.

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Specifications

Key system: Tekno iNOVATE
Construction: Double cylinder with clutch
Nominal size: 35/55
Dimension A: 34.5 mm
Dimension B: 54.5 mm
Overall length L: 89 mm
Coding construction: 11 pin positions: 7 active, 4 passive
Body construction: Brass body and plug
Key type: Reversible nickel-silver flat key
Operating mechanism: DIN cam with clutch
Catalogue key part number: 1.00690.10.0

Operation and dimensions of this version

10T31132012 is a double cylinder with clutch: A=34.5 mm, B=54.5 mm, with the two sections totaling L=89 mm. The sections differ by 20 mm; overall length alone does not permit substitution with a symmetrical cylinder or reversal of the two sections.

Key system and installation checks

Tekno iNOVATE key part number is 1.00690.10.0, with blade length 16 mm and thickness 2.9 mm. Its plug contains bilateral steel control pins and hardened-steel driving pins of different shapes; Checking key dimensions and checking the lengths of both cylinder sides are separate steps.

When selecting, first record nominal size 35/55 for 10T31132012, then verify the actual 34.5+54.5=89 mm against the drawing. Nominal size is an ordering identifier; adding its two integers does not give the actual overall length.

Limitations

Dimensions are divided at the central reference in the catalogue drawing; a and B do not automatically designate the outside and inside of the door. Installation also requires checking the lock-body cam interface, door thickness and escutcheon thickness.
Catalogue model numbers and dimensions do not establish current stock availability or certification of the complete door; Before purchase, check the actual supplied product's identification plate and the manufacturer's installation documentation.

Sources

CISA 2026 English catalogue, PDF page 85 / printed page 81

Manufacturer documents are provided in their original language.

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