High Performance Thermal Circuit Breaker 412-... Description Single pole high performance thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation (M-type TO CBE to EN 60934). An indicator band on the push button clearly shows the tripped/off position. Threadneck panel mounted and available in tracked vehicle, aircraft and general purpose versions. Typical applications Extra low voltage wiring systems on all types of vehicles for land, sea and air defence equipment battery powered machines. 1 412-... Ordering information Type No. Technical data 412 threadneck panel mounting Terminal design K14 screw terminals M4 (to aircraft specs.) For further details please see: www.e-t-a.de/ti e K54 screw terminals M4 sealed housing (to vehicle specs.) Voltage rating DC 28 V Version AC 115 V (400 Hz) upon request FN2 vehicle application, nickel-plated LN2 aircraft application, black finish Current rating range 6...25 A (-FN2) N2 general application, nickel-plated 7.5...35 A (-LN2/-N2), Current ratings lower current ratings to special order 6...25 A (-FN2) Typical life 4,000 operations at 2 x I N 7.5...35 A (-LN2/N2) Ambient temperature -55...+75 C (-67...+167 F) 412 - K14 - LN2 - 10 A ordering example Insulation co-ordination rated impulse pollution (IEC 60664 and 60664A) withstand voltage degree Please be informed that we have minimum ordering quantities to be 1.5 kV 3 observed. Dielectric strength (IEC 60664 and 60664A) test voltage operating area AC 1,500 V Preferred types Insulation resistance > 100 M (DC 500 V) Interrupting capacity I 6,000 A cn Preferred types Standard current ratings (A) Interrupting capacity 6 7.5 8 10 15 20 25 30 35 (UL 1077) 6,000 A x x x x x x x 412-K54-FN2- Degree of protection operating area IP40 (IEC 60529/DIN 40050) terminal area IP00 x x x x x x x x 412-K14-LN2- Vibration 10 g (56-500 Hz), 0.76 mm (10-55 Hz) x x x x x x x 412-K54-LN2- to VG 95210, sheet 19, MIL-STD-202, meth. 204, IEC 60068-2-6, test Fc Standard current ratings and typical voltage drop values Shock 25 g (11 ms) to VG 95210, sheet 28, MIL-STD-202, meth. 213, Current Voltage Current Voltage IEC 60068-2-27, test Ea rating (A) drop (mV) rating (A) drop (mV) Corrosion 96 hours at 5 % salt mist, -LN/N -FN -LN/N -FN to VG 95210, sheet 2, MIL-STD-202, meth. 101, 6 - 300 15 200 200 IEC 60068-2-11, test Ka 7.5 300 250 20 200 200 Humidity 240 hours at 95 % RH to VG 95210, sheet 7, 8 250 200 25 200 200 MIL-STD-202, meth. 106, 10 200 200 30 200 - IEC 60068-2-3, test Ca Mass approx. 40 g 12 200 200 35 200 - 13 200 200 Approvals Authority Standard Rated voltage Current ratings UL UL 1077 DC 28 V 0.1 A...35 A CSA C22.2 No DC 28 V 0.1 A35 A 235 1948 www.e-t-a.de 15 35 35 High Performance Thermal Circuit Breaker 412-... Dimensions Internal connection diagram 412-K54-FN2/N2 line 1 tightening torque max. 4 Nm M12x1 10.6 .417 black white lock washer 2 1 Typical time/current characteristics 10.6 terminal version .417 412-...-FN2 6...25 A 20 < 6 A .787 10000 +75 C screw ISO1580-M4x6 +167 F washer DIN 137-B4 terminal version > 6 A tightening torque max. 1.2 Nm +23 C 1000 +73.4 F -55 C 412-K14/K54-FN2/N2 -67 F 100 mounting holes current rating in A 9.5 .374 10 1 SW14 .551 29 0.1 min. 3.2 location pin 1.14 min .126 thickness 1.5 - 3 mm .059 - .118 in. 0.01 0.001 412-K14-LN2 12 46 810 20 40 6080100 times rated current 412-..LN2/-N2 7.5...35 A 10000 +75 C +167 F +23 C 1000 10.6 +73.4 F .417 terminal version 20 -55 C <7.5 A .787 -67 F 100 screw ISO1580-M4x6 washer DIN 137-B4 terminal version >7.5 A tightening torque max. 1.2 Nm 10 412-K14/K54-LN2 1 mounting holes current rating in A 9.5 min. 3.2 .374 0.1 min .126 0.01 SW14 .551 29 0.001 12 46 810 20 40 6080100 location pin 1.14 times rated current thickness 1.5 - 3 mm .059 - .118 in. mm This is a metric design and millimeter dimensions take precedence ( ) inch 2 www.e-t-a.de 1948 35 35 max. 2.5 max. 098 max. 2.5 max098 12.2 OFF .480 ON 6 .236 52 2.05 1.5 2.7 2.7 .106 .059 .106 5 46 14.5 1.81 14.5 .571 58 6.5 .571 2.28 .256 +0.2 +0.2 12.5 12.5 +.008 +.008 .492 4 .492 .157 0.2 9.5 0.2 9.5 .008 .374 .008 .374 Trip time in seconds Trip time in seconds