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Magnetic Overcurrent Circuit Breaker 808 - 2 Pages

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Catalogue excerpts

Magnetic Overcurrent Circuit Breaker 808-... Issue C www.e-t-a.com 3 - 5 3 Current Internal Current Internal rating (A) resistance (Ù) rating (A) resistance (Ù) 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 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 IN 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 MÙ (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 Authority Voltage ratings Current ratings CSA AC 120 V; DC 60 V 0.01...5 A UL DC 60 V 0.01...5 A AC 120 V 0.01...5 A Standard current ratings and typical internal resistance values Type No. 808 fast-acting Manual release 01 press-to-reset button, blue B manual release facility, blue (Standard) Current ratings 0.01...5 A 808 - B - 5 A ordering example

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Magnetic Overcurrent Circuit Breaker 808-... 3 - 6 www.e-t-a.com Issue C 3 Dimensions 5 OFF 808-01 808-B 2.5 ON 15 5 5 14 0.5 10 15.5 ø4 30 20 ø9.3 0.6 .157 .366 .787 .098 1.18 .197 .197 .551 .020 .394 .610 .591 .024 7.5 OFF 15 5 5 14 0.5 10 15.5 0 ON ø4 30 20 ø9.3 0.6 .157 .366 .787 .197 1.18 .197 .197 .551 .020 .394 .610 .591 .024 .295 4 2 3 6 5 7 - + 2-3: excitation circuit 6-7: switching circuit 4-5: auxiliary circuit Typical time/current characteristics at +23 °C/+73.4 °F Trip time in milliseconds ... times rated current 10000 1000 100 10 1 0.1 1 2 4 6 810 20 40 Internal connection diagram...

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