Thermal Overcurrent Circuit Breaker 2-6400-... Description Single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism (R type TO CBE to EN 60934). Featuring auxiliary contacts (1 x N/C 1 x N/O) as standard. Options include an additional unprotected circuit tap (-A3). Approved to CBE standard EN 60934 (IEC 60934). Typical applications Motors, transformers, solenoids, controls for oil and gas boilers. 1 Ordering information 2-6400-... Type No. 2-6400 threadneck panel mounting, with auxiliary contacts Mounting Technical data iG1 moulded threadneck 3/8-27UNS-2A with hexnut and plastic knurled nut (hardware bulk shipped for 5 pcs plus) For further details please see: www.e-t-a.de/ti e iG2 moulded threadneck M12x1 with hexnut and knurled nut Voltage rating AC 250 V DC 28 V (hardware bulk shipped for 5 pcs plus) Terminal design - main circuit Current rating range 0.05...16 A L10 solder terminals Auxiliary circuit 1 A, AC 250 V/DC 28 V P10 blade terminals A6.3-0.8 mm (QC .250) Typical life 0.05...16 A 5,000 operations Shunt terminal (optional) at 2 x I , inductive A3 shunt terminal same as main terminal (up to 7/5 A N Ambient temperature -20...+60 C (-4...+140 F) max. load up to 16 A/10 A max. load) Auxiliary contacts Insulation co-ordination rated impulse pollution Si N/O and N/C contacts, solder terminals (IEC 60664 and 60664A) withstand voltage degree Current ratings 2.5 kV 2 0.05...16 A reinforced insulation in operating area Dielectric strength 2-6400 - .. - P10 - .. - Si - 8 A ordering example (IEC 60664 and 60664A) test voltage operating area AC 3,000 V Please be informed that we have minimum ordering quantities to be observed. main circuit to aux. circuit AC 1,500 V aux. circuit 4-5 to 6-7 AC 840 V Standard current ratings and typical internal resistance values Insulation resistance > 100 M (DC 500 V) Interrupting capacity I 10 x I cn N Current Internal Current Internal Interrupting capacity rating (A) resistance () rating (A) resistance () (UL 1077) I U N N 0.05...4.5 A AC 250 V 200 A 0.05 257 2 0.30 5...8 A AC 250 V 1,000 A 0.08 138 2.5 0.20 8.5...16 A AC 250 V 2,000 A Degree of protection operating area IP40 0.1 90 3 0.12 (IEC 60529/DIN 40050) terminal area IP00 0.2 32.2 3,5 0.10 Vibration 10 g (57-500 Hz) 0.76 mm (10-57 Hz), to IEC 60068-2-6, test Fc, 0.3 14.6 4 0.07 10 frequency cycles/axis 0.4 8.4 4.5 0.056 Shock 40 g (11 ms) to IEC 60068-2-27, test Ea 0.5 5.15 5 0.046 Corrosion 96 hours at 5 % salt mist, 0.6 3.82 6 0.035 to IEC 60068-2-11, test Ka Humidity 240 hours at 95 % RH 0.7 2.80 7 0.03 to IEC 60068-2-78, test Cab 0.8 2.15 8 < 0.02 Mass approx. 25 g 1 1.42 10 < 0.02 1.2 0.96 12 < 0.02 Approvals 1.5 0.51 15 < 0.02 1.8 0.40 16 < 0.02 Authority Standard Rated voltage Current ratings VDE IEC/EN 60934 AC 250 V 0.05 A16 A DC 28 V 0.05 A16 A UL UL 1077 AC 250 V 0.05 A16 A CSA C22.2 No 235 AC 250 V 0.05 A16 A 2043 www.e-t-a.de 1Thermal Overcurrent Circuit Breaker 2-6400-... Thermal Overcurrent Circuit Breaker 2-6400-... Dimensions Internal connection diagrams 3 iG1= / -27UNS-2A tightening torque max. 1 Nm 0.05...7 A 8...16 A 8 iG2=M12x1 tightening torque max. 1.5 Nm iG1=8.8 157 15 7 (moulded iG2=11.3 6.4 threadneck) .252 iG1=.346 iG2=.445 (3) (2) 46 46 2 3 (-A3) (-A3) 14.5 .571 1 Installation drawing operating area -P10 11.5 0.05 - 7A .453 blade terminal 31 DIN 46244-A6.3-0.8 (QC .250) 1.22 mounting hole 16.5 .650 5 1.5 .059 SW14 iG1=9.6-0.1 .551 iG2=12.2-0.1 current rating in A iG1=.378-.004 iG2=.480-.004 4 4 mounting area .157 .157 Typical time/current characteristics at +23 C/+73.4 F Terminal design -P10 0.057 A See dimension diagram. 10000 -P10 816 A 1000 100 -P10-A3 0.0516 A 10 -L10 0.057 A 1 7 0.1 .276 12 46 8102040 times rated current -L10 816 A The time/current characteristic curve depends on the ambient temperature prevailing. In order to eliminate nuisance tripping, please multiply the circuit breaker current ratings by the derating factor shown below. See also section Technical information. -4 +14 +32 +73.4 +104 +122 +140 -L10-A3 0.0516 A Ambient temperature F -20 -10 0 +23 +40 +50 C +60 0.76 0.84 0.92 1 1.08 1.16 1.24 Derating factor mm This is a metric design and millimeter dimensions take precedence ( ) inch 2 www.e-t-a.de 2043 Trip time in seconds 7 10.5 .276 .413 11 46 16.5 ON .433 1.81 .650 OFF 22.5 .886 iG1=8.9-0.1 iG2=11.5-0.1 iG1=.350-.004 iG2=.453-.004 42.5 1.50 5 .197 22.5 .886 43.5 1.71