Motor Protection Circuit Breakers - Dhruva Automation & Controls.
Motor Protection Circuit Breakers - Dhruva Automation & Controls.
Motor Protection Circuit Breakers - Dhruva Automation & Controls.
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<strong>Circuit</strong> <strong>Breakers</strong> KTA 3 Range<br />
400 / 415 V Rated voltage<br />
Thermal Magnetic Switching<br />
release release of three-<br />
Setting Response phase<br />
range current/ motors at I cu I cs 3 - pole 4 - pole<br />
Setting AC-2, AC-3<br />
[A] range [A] [kW] [kA] [kA] Type designation Type designation<br />
0.1...0.16 1.8 0.02 100 100 KTA 3-25-0.16A<br />
0.16...0.25 2.8 0.04 100 100 KTA 3-25-0.25A<br />
0.25...0.4 4.4 0.06 / 0.09 100 100 KTA 3-25-0.4A<br />
0.4...0.63 6.9 0.09 / 0.12 100 100 KTA 3-25-0.63A<br />
0.63...1.0 11 0.18 / 0.37 100 100 KTA 3-25-1A<br />
1.0...1.6 18 0.37 / 0.55 100 100 KTA 3-25-1.6A<br />
1.6...2.5 28 0.55 / 0.75 100 100 KTA 3-25-2.5A<br />
2.5...4.0 44 1.1 / 1.5 100 100 KTA 3-25-4A<br />
4.0...6.3 69 2.2 / 2.5 100 100 KTA 3-25-6.3A<br />
6.3...10 110 3 / 5.5 20 16 KTA 3-25-10A<br />
10...16 176 5.5 / 7.5 10 6 KTA 3-25-16A<br />
16...20 220 7.5 / 10 8 6 KTA 3-25-20A<br />
20...25 275 11 / 12.5 8 6 KTA 3-25-25A<br />
25...40 560 15 / 22 65 50 KTA 3-100-40A<br />
40...63 882 25 / 31.5 65 50 KTA 3-100-63A<br />
63..90 1260 37 / 45 50 25 KTA 3-100-90A<br />
40...50 300...600 25 65 33 KTA 3-160S-50A KTA 3-160S4-50A<br />
50...63 380...760 31.5 65 33 KTA 3-160S-63A KTA 3-160S4-63A<br />
63...80 480...960 37 / 45 65 33 KTA 3-160S-80A KTA 3-160S4-80A<br />
80...100 600...1200 50 / 55 65 33 KTA 3-160S-100A KTA 3-160S4-100A<br />
100...125 750...1500 63 65 33 KTA 3-160S-125A KTA 3-160S4-125A<br />
125...160 950...1900 75 / 90 65 33 KTA 3-160S-160A KTA 3-160S4-160A<br />
125...160 950...1900 75 / 90 65 33 KTA 3-250S-160A KTA 3-250S4-160A<br />
160...200 1200...2400 110 65 33 KTA 3-250S-200A KTA 3-250S4-200A<br />
200...250 1500...3000 132 / 150 65 33 KTA 3-250S-250A KTA 3-250S4-250A<br />
200...250 1500...3000 132 / 150 65 33 KTA 3-400S-250A KTA 3-400S4-250A<br />
250...320 1900...3800 160 / 185 65 33 KTA 3-400S-320A KTA 3-400S4-320A<br />
320...400 2400...4800 200 / 220 65 33 KTA 3-400S-400A KTA 3-400S4-400A<br />
Ics Icu KTA 3-25 KTA 3-100 KTA 3-160S KTA 3-250S KTA 3-400S<br />
Rated normal breaking capacity<br />
Rated limiting breaking capacity<br />
I cu<br />
I cs<br />
Still functionally serviceable<br />
after test with O-t-CO.<br />
Suitable for normal operation<br />
after test with O-t-CO-t-CO<br />
O = break<br />
CO = restart and break<br />
t = defined pause
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