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4420.0280 Datasheet(PDF) 4 Page - Schurter Inc. |
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4420.0280 Datasheet(HTML) 4 Page - Schurter Inc. |
4 / 6 page 4 Thermal-magnetic (TM and AS-line) AS168XDC2 www.schurter.com /PG20 Circuit Breakers Symbol Standard Rated current Rated voltage DC Conditional short circuit capacity Icn UL 508 CSA C22.2 no. 14 - - - UL 1077 0.5 - 40 A 240 V 10 kA CSA C22.2 no. 235 0.5 - 50 A 360 V 2 kA EN 60934 0.5 - 50 A 240 V 4.5 kA GB 17701 nur Art.-Nr. 4420.0386 (30 A) 4420.0367 (40 A) 240 V 3 kA Effect of ambient temperature AC-breaker are calibrated for an ambient temperature of +40°C, DC-breakers for +23°C. To determine the rated current for a lower or higher ambient temperature, use a correction factor from the table below: Ambient temperature [°C] Correction factor AC version Correction factor DC version -20 0.78 0.80 -5 0.82 0.87 0 0.83 0.90 +10 0.87 0.95 +23 0.91 1.00 +30 0.95 1.05 +40 1.00 1.10 +50 1.05 1.20 +60 1.11 1.30 Example DC version: Rated current = 10 A; Environmental temperature = 50 °C; --> Correction factor = 1.2; Resulting current = 12 A Time-Current-Curves Version DF / Magnetic 4.5-8 xln 110 100 1000 x In 0,1ms 1ms 10ms 0,1s 1s 10s 100s 1000s 1hr Multiple of Rated Current In Reference Temperature +23° Version DG / Magnetic 9-16 xln 110 100 1000 x In 0,1ms 1ms 10ms 0,1s 1s 10s 100s 1000s 1hr Multiple of Rated Current In Reference Temperature +23° |
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