Schaltbau C294 DC Contactor Inquiry Item

Product Description

C294 is a compact two-pole DC contactor manufactured by Schaltbau. It is equipped with magnetic blowout device and arc extinguishing chamber, which can reliably extinguish electric arc under high voltage DC working condition. It can withstand wide temperature range from -40℃ to +70℃, suitable for harsh environment of rail transit, new energy power supply and DC conversion equipment. Optional auxiliary snap switch can feedback contact status signal to control system, it is a reliable spare part for DC power switching.

Technical Specifications

Model: C294 Brand: Schaltbau Type: Double pole DC contactor Rated insulation voltage: 1500 V DC Thermal current: 40 A Auxiliary contact: Optional S870 snap-action switch Working temperature: -40℃ ~ +70℃ Certification: IEC, CE Protection grade: IP20

Components & Troubleshooting

It includes main contact assembly, magnetic blowout magnet, arc quenching plate, electromagnetic coil, auxiliary switch and plastic housing. Common faults: Contact ablation and welding, coil burnout, auxiliary switch signal failure, difficulty in pull-in, overheating during current carrying.

Disclaimer

This spare part shall be installed, calibrated and maintained by qualified instrument technicians. Check coil voltage and insulation before power on.