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C310 Single-Pole AC and Bi-Directional DC NO Contactors

The C310 series are 1-pole AC and bi-directional DC NO contactors up to 1,500 volts rated insulation voltage, with conventional thermal currents up to 500 amps.

The bi-directional DC contactors switch high power in a small space. They ensure safe disconnection of high loads regardless of the direction of the current and provide reliable protection in the event of a system fault. Full bi-directionality is essential in battery storage systems and electric vehicles.

Typical applications include use as the main contactor in battery management systems for HV vehicle batteries, in charging stations for modern electromobility, in battery test benches or in combiner boxes for photovoltaic systems and inverters of all kinds.

Specifications

C310KC310AC310S
Type of voltageDC, bi-directional / AC,f ≤ 60 HzDC, bi-directional / AC,f ≤ 60 HzDC, bi-directional / AC,f ≤ 60 Hz
Number of contacts, configuration1 x NO1 x NO1 x NO
Rated operational voltage1000 V @PD3 / 1500 V @ PD21000 V @PD3 / 1500 V @ PD260 V @PD3
Rated insulation voltage1000 V @PD3 / 1500 V @ PD21000 V @PD3 / 1500 V @ PD21000 V @PD3 / 1500 V @ PD2
Rated impulse withstand voltage10 kV10 kV10 kV
Conventional thermal current150 A300 A500 A
Rated short-time withstand current3000 A @ 1 s3000 A @ 1 s3000 A @ 1 s
Auxilliary contacts1x Snap-action switches S880 max. (SPDT)1x Snap-action switches S880 max. (SPDT)1x Snap-action switches S880 max. (SPDT)
Configurationwith mirror contact functionwith mirror contact functionwith mirror contact function
Rated control supply voltageMonostable: 12 ... 24 / 48 V DC, Bistable: 24 / 48 V DCMonostable: 12 ... 24 / 48 V DC, Bistable: 24 / 48 V DCMonostable: 12 ... 24 / 48 V DC, Bistable: 24 / 48 V DC

Useful Documents

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C310 Series Brochure

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