CERBERUS 3-Star Thumbturn Euro Cylinder - 35/35mm
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Product Information
Full details
The CERBERUS 3-Star Thumbturn Euro Cylinder is designed for homeowners seeking maximum security for their front and back doors. Its primary benefit is offering robust protection against all known break-in methods, including lock snapping and thermal attacks, while providing convenient internal twist-lock operation. A potential caveat for some users might be the specific 35/35mm sizing, requiring accurate measurement of the existing cylinder.
All features
| Model Part Number | C3-TT-3535-D |
|---|---|
| Brand | CERBERUS |
Extended Product Information
FAQs
What does 'TS007 3-Star' mean?
TS007 is a British security standard for door hardware. A 3-star rating signifies the highest level of security, indicating it has passed rigorous testing against various attack methods.
Is this lock suitable for all types of doors?
The CERBERUS cylinder is designed for doors using a standard euro profile lock mechanism. This includes most uPVC, composite, and some wooden doors. It's crucial to measure your existing cylinder to ensure correct sizing.
How do I measure my existing cylinder correctly?
Measure from the center screw hole to the outside edge of the cylinder on both sides. The total length should match the cylinder you purchase (e.g., 35/35mm means 70mm total length).
What is 'Sold Secure Diamond' approval?
Sold Secure is an independent testing facility. A Diamond rating is their highest level of accreditation, confirming the product offers exceptional resistance to professional burglary attacks.
Can the lock still be opened from the inside if it's snapped?
Yes, the CERBERUS is designed with 'SnapStop' technology. While the external part might be compromised by snapping, the internal thumbturn should allow you to operate the lock from the inside.
Does this lock protect against bumping and drilling?
Yes, the CERBERUS cylinder is engineered to resist bumping, drilling, picking, and snapping, offering comprehensive protection against multiple attack vectors.
What is the warranty on this product?
The product comes with a Mechanical & Surface Guarantee, providing confidence in its durability and performance over time.
Troubleshooting
Cylinder is stiff or difficult to turn
Ensure the correct size cylinder has been installed and the retaining screw is not overtightened. Check for any debris in the keyway. A light application of graphite lubricant may help.
Thumbturn is difficult to operate
Verify that the cylinder is correctly aligned and seated within the lock mechanism. Check that the retaining screw is properly tightened, not excessively so.
Key does not fully insert or turn
Confirm the cylinder is the correct size for your door. Ensure the keyway is free from obstructions. The cam inside the lock may need to be aligned before inserting the key.
Lock snaps during attack
The SnapStop feature should engage, securing the cam and preventing full access from the outside. The lock should remain operational from the inside via the thumbturn.
Pros and Cons
Pros
- Exceptional security rating (TS007 3-star, Sold Secure Diamond)
- Convenient internal thumbturn for easy operation
- Resistant to a wide array of modern and traditional attack methods
- Maintains functionality even after attempted break-ins
- Durable construction with mechanical and surface guarantee
Cons
- Requires precise measurement for correct sizing (35/35mm)
- May be more complex than basic locks for those unfamiliar with advanced security features
- Higher initial cost compared to lower-security cylinders
Setup, Compatibility & Care
Setup:
- Measure Existing Cylinder: Accurately measure your current euro cylinder. Measure from the center screw hole to each outer edge. The CERBERUS 35/35mm requires a total cylinder length of 70mm, with 35mm on the inside and 35mm on the outside.
- Remove Old Cylinder: Unscrew the retaining screw on the door edge that passes through the lock mechanism. Gently push the cylinder out, applying slight pressure if needed. You may need to turn the key slightly to align the cam.
- Install New Cylinder: Insert the CERBERUS cylinder, ensuring the cam aligns with the lock mechanism inside the door. Tighten the retaining screw.
- Test Operation: Ensure the lock operates smoothly with the key from the outside and the thumbturn from the inside.
Compatibility:
- Compatible with most standard uPVC, composite, and wooden doors that use a euro profile cylinder lock.
- Ensure the door furniture (handles) do not protrude excessively and obstruct the cylinder.
Care:
- Clean the exterior with a soft, damp cloth. Avoid abrasive cleaners.
- Periodically check that the lock operates smoothly. A small amount of graphite-based lubricant can be used if necessary, but avoid oil-based lubricants which can attract dirt.