assaabloy.com 357 Lockcases Legislation EN 12209 classification key Grading scope EN 12209:2003 CATEGORY OF USE Defines the frequency of use of the product. Grade 1: for use by people with a high incentive to exercise care and with a small chance of misuse, e.g. residential doors Grade 2: for use by people with some incentive to exercise care but where there is some chance of misuse, e.g. office doors Grade 3: High frequency use by users with little incentive to treat hardware carefully and with a high chance of misuse e.g. public doors (1-3) FIRE RESISTANCE Suitability of product use on fire/smoke door assemblies having successfully completed a fire test to EN 1634-1. Grade 0: Not approved for use on fire/smoke resisting door assemblies Grade 1: Suitable for use on fire/smoke resisting assemblies subject to satisfactory fire testing or assessment (0-1) (A-X) DURABILITY Tests the durability of the product through various cycle tests where durability and load on latchbolt are identified. DOOR MASS AND CLOSING FORCE Takes into account themass of the door which the product can be reliably used on. (1-9) Side load on latchbolt Cycle test No load 10N 25N 50N 120N 50,000 Grade A Grade F 100,000 Grade B Grade G Grade L Grade R Grade W 200,00 Grade C Grade H Grade M Grade S Grade X Maximum closing force Door mass 15N 25N 50N up to 100kg Grade 7 Grade 4 Grade 1 up to 200kg Grade 8 Grade 5 Grade 2 Above 200kg Grade 9 Grade 6 Grade 2 Durability Door mass and closing force CORROSION RESISTANCE AND TEMPERATURE Level of corrosion resistance to EN 1670 Neutral Salt Spray test and operation of the product at extreme temperatures. (0-G) SAFETY Categorises the level of safety for the product. Grade 0: No safety requirement (0) Corrosion resistance and temperature Eight grades of corrosion resistance and temperature requirement are identified Grade 0 No defined corrosion resistance; no temperature requirement Grade A Low corrosion resistance; no temperature requirement Grade B Moderate corrosion resistance; no temperature requirement Grade C High corrosion resistance; no temperature requirement Grade D Very high corrosion resistance; no temperature requirement Grade E Moderate corrosion resistance; temperature requirement: from –20°C to +80°C Grade F High corrosion resistance; temperature requirement: from –20°C to +80 °C Grade G Very high corrosion resistance; temperature requirement: from –20°C to +80°
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