Thermal-Magnetic Circuit Breakers 3600/3900 Description Single pole thermal-magnetic circuit breaker with tease-free, trip-free, snap action mechanism and two button operation (M-type TM CBE to EN 60934). Designed for plug-in mounting with E-T-A sockets 17-P10-Si, 23-P10-Si, 63-P10-Si or panel mounting using E-T-A clips. Featuring an unprotected shunt tap terminal and optional auxiliary contacts. Type 3900 offers lower internal resistance values and is fitted as standard with auxiliary contacts and an intermediate reset position in which all contacts are isolated. Approved to CBE standard EN 60934 (IEC 60934). Typical applications 1 3600 3900 Process control systems, instrumentation, communications systems, standard type low-resistance type rail vehicles. Technical data Ordering information For further details please see: Thermal-Magnetic Circuit Breakers 3600/3900 Dimensions Internal connection diagrams 11.5 -P10-Si with shunt terminal (standard) .453 8.5 6.5 and auxiliary contacts (-Si) only 3600 .256 .335 line 1 line 1 5 7 4 .157 3 3 4 6 I > I > 3 (from I =8 A) 3 (from I =8 A) N N 2 2 14 63 75 2 1 Installation drawing 6.8 .268 blade terminals 6 x 6.8 = 40.8 DIN 46244-A6.3-0.8 (QC .250) 6 x .268 = 1.61 operating area (reinforced insulation) 43 current rating in A 1.69 13 20 .512 .787 50 1.97 Terminal design -P10 14 63 75 2 123 12.5 mounting area .492 Typical time/current characteristics 1) 1) 2) 3600 0.057 A AC 3600 816 A AC 3900 0.0510 A DC 10000 10000 10000 1000 1000 1000 100 100 100 10 10 10 1 1 1 0.1 0.1 0.1 0.01 0.01 0.01 0.001 0.001 0.001 12 46 8102040 60 80100 12 46 8102040 60 80100 12 46 8102040 60 80100 times rated current times rated current times rated current +60 C +23 C -30 C The time/current characteristic curve depends on the ambient temperature +140 F +73.4 F -22 F prevailing. In order to eliminate nuisance tripping, please multiply the circuit breaker current ratings by the derating factor shown below. See also 1) Magnetic tripping currents are increased by 20 % on DC supplies. section Technical information. 2) Magnetic tripping currents are decreased by 20 % on AC supplies. -22 -4 +14 +32 +73.4 +104 +122 +140 Ambient temp. F -30 -20 -10 0 +23 +40 +50 +60 C 0.76 0.79 0.83 0.88 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 1944 Trip time in seconds 11 OFF .433 5 ON .197 10 51 8.5 .335 .394 2.01 2 19 2 11.5 .748 .079 .453 Trip time in seconds Trip time in seconds 20 2 .079 .787 38 1.50