1st Digit: Category of Use
(Corresponding to the Main Test Parameter)
Grade 1
Click torque before and after durability testing | Between-clicks torque M0 ≤ 1,4 Nm | Click-out torque Ma ≤ 6,0 Nm | Difference Md ≥ 0,4 Nm |
Free play perpendicular or parallel to the mounting plane | Δ ≤ 6 mm | ||
Torsional strength 200 N / 85 mm / 30 s | Permissible deformation Δ ≤ 5 mm | ||
Tensile strength of spindle connection | F ≥ 100 N | ||
Eccentric tensile strength | F = 600 N |
Grade 2
Click torque before and after durability testing | Between-clicks torque M0 ≤ 0,8 Nm | Click-out torque Ma ≤ 4,0 Nm | Difference Md ≥ 0,8 Nm |
Free play perpendicular or parallel to the mounting plane | Δ ≤ 4 mm | ||
Torsional strength 200 N / 85 mm / 30 s | Permissible deformation Δ ≤ 2 mm | ||
Tensile strength of spindle connection | F ≥ 100 N | ||
Eccentric tensile strength | F = 1 200 N |
2nd Digit: Durability
Grade 3/90 | 10.000 turn-only cycles |
Grade 4/90 | 15.000 turn-only cycles |
Grade 5/90 | 25.000 turn-only cycles |
Grade 3/180 | 10.000 tilt and turn cycles |
Grade 4/180 | 15.000 tilt and turn cycles |
Grade 5/180 | 25.000 tilt and turn cycles |
3rd Digit: Mass
No requirement according to the main section of EN 13126-1
4th Digit: Fire Resistance
No requirement according to the main section of EN 13126-1
5th Digit: Safety in Use
Grade 1 in accordance with main section of EN 13126-1
6th Digit: Corrosion Resistance
Minimum grade 2 of EN 1670, in accordance with main section of EN 13126-1
7th Digit: Security
(In Accordance with Additional Test Parameters)
Grade 0 | Without security |
Grade 1 | 35 Nm resistance against twisting-off and forcing-off |
Grade 2 | 100 Nm resistance against twisting-off and forcing-off |
Grade 3 | 200 Nm resistance against twisting-off and forcing-off |
Extension 0 | No locking mechanism |
Extension 1 | Non-keyed locking mechanism |
Extension 2 | Keyed locking mechanism with ≤ 99 locking varieties |
Extension 3 | Keyed locking mechanism with ≥ 100 locking varieties |
This results in the following possible combinations for the 7th digit:
0/0 | Without security / without locking mechanism | |||
1/1 | 35 Nm resistance against twisting-off and forcing-off / nonkeyed locking mechanism | |||
1/2 | 35 Nm resistance against twisting-off and forcing-off / keyed locking mechanism with ≤ 99 locking variations | |||
1/3 | 35 Nm resistance against twisting-off and forcing-off / keyed locking mechanism with minimum 100 locking variations | |||
2/1 | 100 Nm resistance against twisting-off and forcing-off / nonkeyed locking mechanism | |||
2/2 | 100 Nm resistance against twisting-off and forcing-off / keyed locking mechanism with ≤ 99 locking variations | |||
2/3 | 100 Nm resistance against twisting-off and forcing-off / keyed locking mechanism with minimum 100 locking variations | |||
3/1 | 200 Nm resistance against twisting-off and forcing-off / nonkeyed locking mechanism | |||
3/2 | 200 Nm resistance against twisting-off and forcing-off / keyed locking mechanism with ≤ 99 locking variations | |||
3/3 | 200 Nm resistance against twisting-off and forcing-off / keyed locking mechanism with minimum 100 locking variations |
8th Digit: Application
Applicable part of this European standard: Grade 3
Application N | No click function |
Application C | Click function |
Type 1 | Window handle |
Type 2 | Geared window handle |
This results in the following possible combinations for the 8th digit:
3/N1 | Part 3 / no click function / window handle |
3/N2 | Part 3 / no click function / geared window handle |
3/C1 | Part 3 / with click function / window handle |
3C/2 | Part 3 / with click function / geared window handle |
9th Digit: Test Size
No requirement
Example:
Category of use | 2 |
Durability | 3/180 |
Mass | – |
Fire resistance | 0 |
Safety in use | 1 |
Corrosion resistance | 2 |
Security | 3/3 |
Application | 3/C1 |
Test size | – |
Explanation:
1st digit: | Handle with category of use grade 2 |
2nd digit: | Tested with 10,000 tilt and turn cycles |
3rd digit: | No requirements for window mass (not requested) |
4th digit: | No requirements for fire resistance (not requested) |
5th digit: | Safety in use grade 1 (only provided as such) |
6th digit: | Corrosion resistance grade 2 according to DIN EN 1670 (corresponding to 48 h in neutral salt spray test) |
7th digit: | 200 Nm resistance against twisting-off and forcing off and a keyed locking mechanism with at least 100 locking variations |
8th digit: | Application as window handle with click mechanism |
9th digit: | No requirements for window test size (not requested) |