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CT Series 1 and 2 Pole AC and DC NO Contactors

The CT series are single and double pole AC and bi-directional DC NO contactors, in a power class up to 3,000 volts / 1,100 amps.

The innovative arc extinguishing technology enables almost unlimited use in industrial AC and DC applications as well as in worldwide rail traffic. CT contactors ensure very low wear and safe switching behaviour over the entire application range, even under very difficult switching conditions.

The switching devices are designed for switching and carrying large currents at high rated voltages. The use of additional permanent magnets also reliably extinguishes switching arcs even at very low currents. The CT series does not have a critical current range.

Specifications

CT1115CT1215CT1130CT1230
Type of voltageDC, bi-directional / AC,f ≤ 60 HzDC, bi-directional / AC,f ≤ 60 HzDC, bi-directional / AC,f ≤ 60 HzDC, bi-directional / AC,f ≤ 60 Hz
Number of contacts, configuration1 x NO2 x NO1 x NO2 x NO
Rated operational voltage1500 V1500 V3000 V3000 V
Rated insulation voltage3000 V3000 V4800 V4800 V
Rated impulse withstand voltage15 kV15 kV25 kV25 kV
Conventional thermal current400 A / 800 A / 1100 A400 A / 800 A / 1100 A400 A / 800 A / 1100 A400 A / 800 A / 1100 A
Rated short-time withstand current6 kA / 8 kA @ T < 100 ms5 kA / 6 kA / 8 kA @ T < 100 ms6 kA / 8 kA @ T < 100 ms6 kA / 8 kA @ T < 100 ms
Auxilliary contacts1x S870 (a1), 1x S870 (b0), 2x S826 or 4x S8261x S870 (a1), 1x S870 (b0), 2x S826 or 4x S8261x S870 (a1), 1x S870 (b0), 2x S826 or 4x S8261x S870 (a1), 1x S870 (b0), 2x S826 or 4x S826
Rated control supply voltageMonostable: 24 / 36 / 48 / 72 / 110 V DCMonostable: 24 / 36 / 48 / 72 / 110 V DCMonostable: 24 / 36 / 48 / 72 / 110 V DCMonostable: 24 / 36 / 48 / 72 / 110 V DC

Useful Documents

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CT1115-1130 Series Brochure

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CT1215-1230 Series Brochure

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