1 description typical applications ordering information approvals technical data single pole miniaturised magnetic circuit breakers with unique high -speed operating mechanism and push/pull on/off manual actuation. fitted with electrically separate excitation and switching circuits, and one pair of auxiliary contacts which close when the main circuit is open. also suitable for impulse operation. designed for printed circuit board mounting. low temperature sensitivity. printed circuit boards and components, safety and control systems. 808 voltage rating dc 24 v (higher voltages to special order) ul: ac 120 v; dc 60 v current ratings 0.01...5 a (higher current ratings to special order) max. continuous load excitation circuit (2-3) 2.65 x i n max. continuous load switching circuit 6-7 auxiliary circuit 4-5 5 a typical life 6,000 operations at 5 a for switching circuit ambient temperature -30...+70 c (-22...+158 f) insulation co-ordination rated impulse pollution (iec 60664-1) withstand voltage degree 1.5 kv 2 dielectric strength (ul 1077) test voltage operating area ac 1,240 v excitation to switching circuit ac 1,240 v excitation to auxiliary circuit ac 1,240 v insulation resistance > 100 m (dc 500 v) interrupting capacity (o-o-o) 100 a interrupting capacity (ul 1077) 2,000 a ac 120 v 1,000 a dc 60 v degree of protection operating area ip30 (iec 60529/din 40050) terminal area ip00 vibration 3 g (57-500 hz), 0.23 mm (10-57 hz), to iec 60068-2-6, test fc 10 frequency cycles/axis shock 25 g (11 ms) to iec 60068-2-27, test ea corrosion 48 hours at 5 % salt mist, to iec 60068-2-11, test ka humidity 240 hours at 95 % rh to iec 60068-2-78, test cab mass approx. 10 g standard current ratings and typical internal resistance values type no. 808 fast-acting manual release h manual release facility current ratings 0.01...5 a 808 - h - 5 a ordering example current rating (a) internal resistance () current rating (a) internal resistance () 0.01 625 0.8 0.096 0.02 170 0.9 0.085 0.03 77 1 0.073 0.04 47 1.2 0.050 0.05 29.2 1.5 0.031 0.08 10.3 2 0.02 0.1 5.6 2.5 0.02 0.2 1.65 3 0.02 0.3 0.89 3.25 0.02 0.4 0.39 4 0.02 0.5 0.28 4.5 0.02 0.6 0.198 5 0.02 0.7 0.143 preferred types standard current ratings (a) 0.02 0.05 0.1 0.3 0.4 0.5 0.6 1 2 3 5 808-h- x x x x x x x x x x x preferred types authority standard rated voltage current ratings ul ul 1077 c22.2 no 235 ac 120 v dc 60 v ac 120 v dc 60 v 0.006 a8 a 0.006 a8 a 0.006 a5 a 0.006 a8 a csa c22.2 no 235 ac 120 v dc 60 v 0.01...5 a 0.01...8 a magnetic overcurrent circuit breaker 808-... www.e-t-a.de 1646 1
2 dimensions 808-h 2.5 on 15 5 5 14 0.5 10 15.5 ?4 30 20 ?9.3 0.6 .157 .366 .787 .098 1.18 .197 .197 .551 .020 .394 .610 .591 .024 7.5 off .295 4 6 6 4 typical time/current characteristics at +23 c/+73.4 f trip time in milliseconds ... times rated current 10000 1000 100 10 1 0. 1 12 46 81 02 04 0 internal connection diagram 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. this is a metric design and millimeter dimensions take precedence ( mm ) inch magnetic overcurrent circuit breaker 808-... www.e-t-a.de 1646 1
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