449-S-H-FN-125A

High Performance Thermal-Magnetic Circuit Breakers 446/447/449 Description Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset snap action mechanism and special dual button manual release which avoids the danger of unintended disconnection (M-type TM CBE to EN 60934). Surface mounted, compact design available with fast acting, standard and delayed switching characteristics. Options include auxiliary contact and remote electrical disconnection. Typical applications Heavy duty vehicles, battery systems, process control. 446-... Ordering information Type No. 446 / 447 / 449 single pole base mounting Terminal design, mounting K screw terminals M12, insertion nuts M8 S screw terminals M12, insertion nuts 5/16" Manual release H standard Version N general application (type 446 only) FN general application (types 447 and 449 only) Auxiliary contacts (optional) Si 2 electrically separate auxiliary contacts with screw terminals M 3.5 and blade terminals DIN 46244-C-MS-S Remote trip (optional for types 447 and 449) FA12 DC 12 V coil voltage FA24 DC 24 V coil voltage Current ratings 30...400 A type 446 100...400 A type 447 125...500 A type 449 447 - K - H - FN - - - 200 A ordering example The exact part number required can be built up from the table of choices shown above. Ordering references for optional features should be omitted if not required. Standard current ratings and typical internal resistance values Current rating (A) Internal resistance (Ω) Current rating (A) Internal resistance (Ω) 30 0.006 100 < 0.002 40 0.0048 125 < 0.001 50 0.0038 160 < 0.001 60 0.0028 225 < 0.001 70 0.0025 300 < 0.001 80 0.0023 400 < 0.001 0.0019 449 0.0016 125 < 0.001 125 < 0.001 160 < 0.001 150 < 0.001 225 < 0.001 170 < 0.001 315 < 0.001 200 < 0.001 350 < 0.001 225 < 0.001 400 < 0.001 250 < 0.001 500 < 0.001 300 < 0.001 only with 50 % ON duty 350 < 0.001 400 < 0.001 Issue D Voltage rating Current rating range ☎ DC 28 V type 446: 30...400 A type 447: 100...400 A type 449: 125...500 A Auxiliary circuit 10 A Electrical remote disconnection (-FA) operating voltage DC 12 V or DC 24 V operating current approx. 18 A or 12 A max. pulse time 10 ms < tON < 20 ms / tOFF > 10 s switching time < 20 ms Typical life 1,000 operations at IN 2,000 operations mechanical Ambient temperature Insulation co-ordination (IEC 60664 and 60664A) Dielectric strength (IEC 60664 and 60664A) operating area main circuit to auxiliary contacts Insulation resistance Interrupting capacity Icn Degree of protection (IEC 60529/DIN 40050) Vibration Shock Corrosion Humidity 90 100 449-... Technical data 447 446 447-... Mass 4 -55...+75 °C (-67...+167 °F) Rated impulse Pollution withstand voltage degree 1.5 kV 3 Test voltage AC 1,000 V AC 1,000 V >100 MΩ (DC 500 V) 10,000 A operating area IP 40 terminal area IP 00 without auxiliary contacts: 10 g (56-500 Hz) ±0.76 mm (10-55 Hz) with auxiliary contacts: 4 g (56-500 Hz) ±0.30 mm (10-56 Hz) to VG 95210, sheet 19/IEC 60068-2-6, test Fc without auxiliary contacts: 50 g (11 ms) with auxiliary contacts: 20 g (11 ms) to VG 95210, sheet 28/IEC 60068-2-27, test Ea 96 hours at 5 % salt mist to VG 95210, sheet 2/IEC 60068-2-11, test Ka 240 hours at 95 % RH to VG 95210, sheet 7/IEC 60068-2-3, test C approx. 850 g Approvals Authority VG 95345, part 15 QPL Sweden UL USA (847) 827-7600 - www.e-t-a.com - ☎ Voltage ratings DC 28 V DC 28 V DC 28 V CANADA (905) 764-9510 Current ratings 125...500 A 125...400 A 30...400 A 100...400 A 125...350 A (449) (447) (446) (447) (449) 233 High Performance Thermal-Magnetic Circuit Breakers 446/447/449 Dimensions Internal connection diagrams line 1 40 1.58 60 2.36 ø26 1.02 23 OFF .906 ON 15 .591 6 .236 hex nut M8 or 5/16" 14 mm/.551 in. usable thread length tightening torque max. 3.5 Nm ø20 .787 7 FA 2 2 hex nut ISO 4032-M12-Cu2-E1P tightening torque max. 4.5 Nm 106 4.17 4 .157 .925 446-... hex screw ISO 4017-M12x30-Cu2-E1P 170 6.69 140 5.51 current rating in A EIN ON AUS OFF AUS OFF 43.5 1.71 11 .433 DC 10000 1000 100 3.94 2 .079 Typical time/current characteristics at +23°C/+73.4°F lock washer DIN 137-B12X12CrNi 177 35 1.38 4 recommended link for FA coil protection I> 8 6 FA-terminal (8) N/C 4/5 23.5 I> Trip time in seconds 13 .512 58 2.28 Si 4 N/O 6/7 104 4.09 5 30 1.18 line 1 100 10 1 0.1 12 .472 blade terminal DIN 46244-C-MS-S 0.01 flat head screw ISO 1580-M3.5x5 tightening torque max. 0.55 Nm 0.001 1 This is a metric design and millimeter dimensions take precedence ( mm inch 2 4 6 8 10 20 40 60 80 100 … times rated current ) Typical time/current characteristics 447-... DC 449-... 125...400 A 449-... 500 A (50 % ON duty/60 min.) DC 1000 1000 100 100 100 10 1 Trip time in seconds 1000 Trip time in seconds 10000 Trip time in seconds 10000 10 1 10 1 0.1 0.1 0.1 0.01 0.01 0.01 0.001 0.001 1 +75 °C +167 °F 2 4 6 8 10 20 40 60 80 100 … times rated current +23 °C +73.4 °F 0.001 1 2 20 40 60 80 100 4 6 8 10 … times rated current -55 °C -67 °F Circuit breakers with remote disconnection facility will trip 10 % faster. 234 DC 10000 ☎ 1 2 20 40 60 80100 4 6 8 10 … times rated current All dimensions without tolerances are for reference only. In the interest of improved design, performance and cost effectiveness the right to make changes in these specifications without notice is reserved.Product markings may not be exactly as the ordering codes. Errors and omissions excepted. USA (847) 827-7600 - www.e-t-a.com - ☎ CANADA (905) 764-9510 Issue D