CL – Single-pole and multi-pole AC and DC contactors

Single-pole, double-pole and triple-pole contactors (NO) for AC and DC. Rated insulation voltage 2,200 V; conventional thermal current 250 A.

CL1315

Triple-pole AC NO contactor

With the compact contactors of the CL series, we offer an economic and environmentally friendly solution for the switching of DC and AC currents in the medium power range. The single-pole, double-pole or triple-pole designs ensure low-wear and reliable switching of voltages of up to 2,200 A; they carry a conventional thermal current of up to 250 A.

Features

Compact, robust, durable

CL contactors have a compact design with geometrically optimised electric arc chambers. The contactors are maintenance-free for normal switching requirements.

Use as a pre-charging contactor

CL series contactors supplement our power contactors of the CT range in many applications. Used as pre-charging contactors, the devices are ideally suitable for switching tasks in the middle power range.

Use as a main contactor in the medium power range

Contactors of the CL series work as a main contactor for auxiliary converters, electrical heating circuits and starter or compressor motors, as well as for switching field circuits of motors.

Auxiliary contacts: Snap-action switch with positive opening operation

The switch state of the main contacts can be indicated through two snap-action switches of the S870 series. The S870s are compact changeover contacts with positive opening operation and self-cleaning contacts.

Ambient temperatures: –40°C to +70°C

Based on its approval for rail applications (EN 60077, EN 50124-1 and EN 61373), the CL contactor can also be used in extreme temperatures.

Specifications

Series CL

Type of voltage	DC, AC
Main contacts, configuration	1 x, 2 x, 3 x NO
Nominal voltage U_n	1,500 V
Rated insulation voltage U_i	2,200 V
Rated impulse withstand voltage U_imp	12 kV
Conv. thermal current I_th	250 A
Breaking capacity	720 V DC, T = 1 ms: 400 A
Contact material main contacts	AgSnO2
Aux. contact	2 x SPDT
Coil voltage U_s	24, 36, 72, 110 V DC
Coil tolerance	-30% … +25%
Coil power consumption	20 W / 13 W (cold / warm)
IP rating (IEC 60529)	IP00
Mechanical endurance	> 3 million operating cycles
Weight	< 3,100 < 5,600 <7,600

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Detailed specifications can be found in the catalogue.

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