1 description typical applications ordering information approvals technical data single pole thermal circuit breaker with push-to-reset, tease-free, trip-free, snap action mechanism and separate manual release (m-type to cbe to en 60934). designed for bolt-on mounting with terminal block type 83-p10. extra low voltage wiring systems on all types of vehicles and marine craft. 129-l11-h-kf standard current ratings and typical internal resistance values type no. 129 base mounting and connection terminal design l11 90 bent terminals manual release h manual release facility housing kf standard current ratings 3...25 a 129 - l11 - h - kf - 10 a = ordering example voltage rating dc 28 v (ul: ac 250 v; dc 50 v) current ratings 3...25 a typical life 5,000 operations at 2 x i n ambient temperature -40...+75 c (-40...167 f) insulation co-ordination rated impulse pollution (iec 60664 and 60664 a) withstand voltage degree 2.5 kv 2 dielectric strength (iec 60664 and 60664a) test voltage operating area ac 1,500 v insulation resistance > 100 m (dc 500 v) interrupting capacity i cn 3...5 a 20 x i n 6...25 a 400 a interrupting capacity i n u n (ul 1077) 0.05...25 a dc 50 v 2,500 a degree of protection operating area ip32 (iec 60529/din 40050) terminal area ip00 vibration 10 g (55-2,000 hz) 0.76 mm (10-55 hz) to vg 95210 part 28 shock 50 g (11 ms) to vg 95210 part 28 corrosion 96 hours at 5 % salt mist, to vg 95210 part 2 humidity 240 hours at 95 % rh to vg 95210 part 7 mass approx. 25 g current rating (a) internal resistance () current rating (a) internal resistance () 3 0.1 8 0.02 3.5 0.06 10 < 0.02 4 0.06 12 < 0.02 4.5 0.05 16 < 0.02 5 0.05 20 < 0.02 6 0.02 25 < 0.02 7 0.02 authority standard rated voltage current ratings vde iec / en 60934 ac 250 v dc 28 v 3 a25 a 3 a25 a ul ul 1077 ac 250 v dc 50 v 0.05 a20 a 0.05 a25 a csa c22.2 no 235 ac 250 v dc 50 v 0.05 a20 a 0.05 a25 a bwb vg 95345 part 9 dc 28 v 6 a25 a www.e-t-a.de thermal automotive circuit breaker 129-l11-h-kf 1646 1
2 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. ambient temp. f c -40 -40 -4 -20 +14 -10 +32 0 +73.4 +23 +104 +40 +122 +50 +140 +60 +167 +75 derating factor 0.60 0.76 0.84 0.92 1 1.08 1.16 1.24 1.35 dimensions internal connection diagram 4 1 1 4 1 4 4 1 1 1 1 1 1 4 16 4 1 1 16 4 1 11 4 4 1 1 2 this is a metric design and millimeter dimensions take precedence ( mm ) inch 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. trip time in seconds ... times rated current 3 - 20 a 10000 1000 100 10 1 0. 1 25 a 14 40 26 20 81 0 typical time/current characteristics at +23 c/+73.4 f www.e-t-a.de thermal automotive circuit breaker 129-l11-h-kf 1646 1
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