CU – Double-pole DC power contactorCA – power contactors for AC applications
CU – Double-pole DC power contactorContactorsRequest
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CA – power contactors for AC applicationsContactorsRequest
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Series Series CU 3 pole: CA1315/04, CA1330/08
1 pole: CA1115/04, CA1130/08
Type of voltage DC (unidirectional) AC (f ≤ 400 Hz)
Main contacts, configuration 2 x NO CA1315/04, CA1330/08: 3 x NO
CA1115/04, CA1130/08: 1 x NO
Nominal voltage Un 1,500 V CA1315, C1115: 1,500 V
CA1330, CA1130: 3,000 V
Rated operating voltage Ue 1,800 V CA1315, C1115: 1,800 V
CA1330, C1130: 3,600 V
Rated insulation voltage Ui 3 kV CA1315, C1115: 2,000 V
CA1330, C1130: 4,800 V
Rated impulse withstand voltage Uimp 15 kV CA1315, C1115: 15 kV
CA1330, C1130: 25 kV
Conv. thermal current Ith 1000 A CA1xxx/04: 350 A, 540 A
CA1xxx/08: 800 A
Rated short-time withstand current Icw e.g. 2 x 450 A fuse (type gPV) connected in parallel Upon request, optimized for switching off 400 Hz
Rated short-circuit breaking capacity (2 poles in series) DC21
Conditional short-curcuit current e.g. 2 x 450 A fuse (type gPV) connected in parallel
Contact material main contacts AgSnO2 AgSnO2
Aux. contact 4 x SPDT 1x  S870 (a1), 1x  S870 (b0), 2x  S826 or 
4x  S826 or
2x  S970 (a1), 2x  S970 (b0) or
1x  S970 (a1), 1x  S970 (b0)
Coil voltage Us 24, 36, 72, 110 V DC 24, 36, 48, 72, 110 V
Coil tolerance -10% ... +10% -30% ... +25% Us
Coil power consumption Pull-in coil approx. 150 W, holding coil approx. 10 W 100 W/75 W and 280 W/27 W resp. cold/warm
IP rating (IEC 60529) IP00 IP00
Mechanical endurance 2 million operating cycles > 500.000 operating cycles
Electrical endurance > 25,000 operating cycles
Mounting orientation horizontal/vertical any
Temperature range -40 °C ... +70 °C -40 °C ... +70 °C
Storage temperature -40 °C ... +85 °C -40 °C ... +85 °C
Weight 18,000 CA1315/04: 20 kg
CA1130/08: 25 kg