Thermal Overcurrent Circuit Breaker 1658-... Description Very cost effective design to meet international requirements. No exposed metal parts which are, or could become, current-carrying except for terminals. R-type TO CBE to EN 60934. l Manual reset, cycling trip free mechanism l Extremely small and lightweight l UL, CSA, VDE and EN 60934 (IEC 60934) approved Typical applications Battery chargers, consumer products, power supplies, motors. 1 1658-... Ordering information Type No. Technical data 1658 single pole thermal circuit breaker Threadneck design G21 manual reset type, 3/8-27 threadneck For further details please see: Thermal Overcurrent Circuit Breaker 1658-... Dimensions Internal connection diagram 6 1 .236 2 12 17.5 Typical time/current characteristics .689 1 15.7 .618 10000 +60 C +140 F 32 +23 C 1.26 +73.4 F -20 C -4 F 1000 A00 100 G21 tightening torque max. 0.8 Nm 3/8-27UNS-2A 10 1 See ordering information for mounting hardware. 0.1 12 46 8102040 Terminal design times rated current P13 P10 The time/current characteristic curve depends on the ambient temperature 12 12 prevailing. In order to eliminate nuisance tripping, please multiply the circuit breaker current ratings by the derating factor shown below. See also section 8.5 Technical information. .335 blade terminals DIN 46244-A6.3-0.8 (QC .250) Ambient temp. F -4 +14 +32 +73.4 +104 +122 +140 blade terminals DIN 46244-A6.3-0.8 angled 90 Ambient temp. C -20 -10 0 +23 +40 +50 +60 (QC .250) Derating factor I > 7A 0.83 0.85 0.9 1 1.1 1.18 1.25 N I < 7A 0.74 0.76 0.82 1 1.23 - - N Installation drawing operating area 12 5 5 4 4 .197 .197 .157 .157 mounting area mm This is a metric design and millimeter dimensions take precedence ( ) inch 2 www.e-t-a.de 1942 14 6 OFF 34 7 .551 .236 1.34 .276 1 ON .039 12 .472 12 27 0.7 .472 1.06 .028 4 12.7 13.6 .157 .500 .535 3 .118 Trip time in seconds