Thermal motor protector Temperature limiter Thermal cut-out 10 11 12 22T Applications - Motors - Transformers - Coils - Electronics, sensors Benefits - Temperature and current sensitive or only temperature sensitive - Small dimensions - High power rating - No vibration noiseTechnical data control type T11A / E T12A / E T22A T10B / G T22B ratings version normally closed normally open rated current at 250 V 50/60 Hz ( cos 0.95 / 0.6 ) 2.5 A / 1.6 A 6.3 A / 2.5 A 20.0 A / 3.0 A 2.0 A / 1.6 A 3.5 A / 2.0 A switching cycles under rated current 10,000 max. current under failure condition at 250 V 50/60 Hz ( cos 0.95 ) 10.0 A 12.0 A 30.0 A 10.0 A 20.0 A switching cycles under max. current 300 600 300 1,000 2) 3) temperature rating T ( steps in 5 K ) (50) 70 C... 180 C 80 C ... 160 C a tolerances Standard: 5 K feature of automatic action 1.C.M, 2.C 2.B, 1.C, 3.C 1.B, 2.C contact resistance ( incl. wire of 100 mm ) < 50 m 4) 5) hysteresis 30 K 15 K dielectric strength ( standard insulation ) 2 kV 2 2 shock / vibration testing ( similar to EN 50155 ) 400 m/s sine half wave / 100 m/s 5 Hz ... 2.000 Hz sine resistances to impregnation tight against ordinary resins and lacquers degrees of protection provided by enclosures ( EN 60529 ) IP00 suitable for use in protection category I, II VDE /ENEC EN 60730-1 / -2-9 1) UL UL 2111 / UL 873 approvals 1) cUL C22.2 No. 77 / C22.2 No. 24 1) CQC GB14536.1-1998 / GB14536.10-1996 1) 2) 3) on request T up to 50C on request approval to EN60730-2-2 up to 180C a 4) 5) with 3 K tolerances and smaller hysteresis on request at the T (upper and lower) limits the hysteresis could deviate a Standard wire (length 100 10 mm, stripped 6 1 mm) temperature operating approx. diameter approx. cross section UL lead code 2) max. voltage max. insulation diameter style 2 L300 1.50 mm AWG24 / 0.25 mm 2 L310 150 C 300 V 1.82 mm AWG20 / 0.50 mm 3398 1) 2 L320 2.10 mm AWG18 / 1.00 mm stranded white 2 L360 1.20 mm AWG24 / 0.25 mm 2 L370 200 C 600 V 1.60 mm AWG20 / 0.50 mm 10086 1) 2 1.80 mm AWG18 / 1.00 mm L380 L400 1.35 mm AWG24 / 0.50 mm 300 V 3398 150 C L410 1.66 mm AWG20 / 0.80 mm solid yellow AWG24 / 0.50 mm L430 1.16 mm 200 C 300 V 1332 AWG20 / 0.80 mm L440 1.54 mm 1) 2) T22 only for T12/T11 AWG20 and for T10 AWG24 is recommended Standard insulation control drawing technical nc no code illustration approvals type dimensions ( mm ) specification T10 B U250 T11, T12 A shrink cap VDE, UL, potted cUL T22 A B U256 different dimensions for T22 T10 B cap of PPS VDE, UL, U174 potted cUL T11, T12 A