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520-K-2-B3-SI1-50A Datasheet(PDF) 2 Page - ETAL Group |
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520-K-2-B3-SI1-50A Datasheet(HTML) 2 Page - ETAL Group |
2 / 4 page High Performance Thermal-Magnetic Circuit Breakers 410/520/530-... www.e-t-a.de 1646 2 1 Surface mounting -1 rail mounting (DIN EN 50 022-35x7,5) -2 panel mounting -4 Ordering information Type No. 410 single pole (ratings > 125 A: suffix 17015 - parallel connection) 520 double pole 530 three pole Terminal design - main terminals K screw terminals 10-32 A pressure plate B5-DIN 46288 (curves B3/C3, 7-25 A) 40-63 A pressure plate B6-DIN 46288 (curves B3/C3, 32-63 A) 80-125 A terminal screw DIN 46206, sheet 2, form 1, M6 thread Mounting 1 surface mounting 2 rail mounting (DIN EN 50022-35x7.5) or panel mounting 4 panel mounting with cylinder head screw M3.5 Magnetic trip curves 01 2.1-3 x IN AC (thyristor and rectifier protection) 02 7-10 x IN AC (motor and generator protection to EN 60947) 04 3.5-5 x IN AC (cable protection to EN 60947) 05 4-6 x IN AC (generator protection to EN 60947) B3 3-5 x IN AC (cable protection to EN 60898) C3 5-10 x IN AC (cable protection to EN 60898) Auxiliary contacts optional (terminals M3.5) Si one each N/O and N/C contact Si1 one N/C (11,12) Current ratings 7...125 A 520 - K - 1 - 01 - ... - 10 A ordering example The exact number required can be built up from the table of choices shown above. Ordering references for optional features should be omitted if not required. Mounting methods Dimensions 13 .512 15.4 .606 15.4 .606 114 4.49 120 4.72 120 4.72 7 .276 9 .354 9 .354 Max. tightening torque ≤ 32 A ≤ 63 A ≤ 125 A Dimensions mm/in. Terminal B pressure plate B6 DIN 46288 terminal screw 3.7 22 ø4.6 14.6 surface mounting 35 ø20 monting holes 26° 26° 92 16 symmetrical rail DIN EN 50022-35x7.5 G profile rail DIN EN 50035-G32 (not shown) D 45 35 E B Si terminals M3.5 1 N/C OFF ON M3.5 - thread max. 9 mm (.354 in.) deep tightening torque max. 0.8 N pole 1 pole 2 pole 3 1 N/O Current rating Cross section (see DIN 46288) with 1 or 2 equal conductors with 2 different conductors M5 M6 M6 CD E 2.0 Nm 2.5 Nm 2.5 Nm 2.5 mm2 to 10 mm2 2.5 mm2 to 10 mm2 4 mm2 to 16 mm2 4 mm2 and 6 mm2 or 6 mm2 to 16 mm2 3.62 .630 1.77 1.38 .575 .146 .181 .866 .787 1.38 pressure plate B5 DIN 46288 This is a metric design and millimeter dimensions take precedence ( mm ) inch |
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