Schneider Electric Telemecanique CA3-DN40FD Control Relay

Description:

The Telemecanique CA3DN40FD Control Relay is used in industrial control circuits to provide reliable switching of auxiliary control and automation signals. Commonly installed in motor control centers, control panels, packaging machinery, conveyors, and process equipment requiring dependable auxiliary contact switching. Maintenance teams, OEMs, and system integrators use this control relay for equipment replacement, machine retrofits, control panel modernization, and new industrial automation installations.

Applications:

The Telemecanique CA3DN40FD Control Relay is designed for auxiliary switching, PLC interfacing, machine sequencing, interlocking, and signaling applications in industrial automation systems. It is widely used in manufacturing equipment, material handling systems, HVAC installations, and process control panels where dependable relay operation is required. This model features a 110 VDC control coil, a 4 NO contact configuration, and a 10 A thermal current rating, making it suitable for demanding industrial control applications.

Technical Specifications:

• Manufacturer: Telemecanique / Schneider Electric
• Model / Part number: CA3DN40FD (CA3-DN40FD)
• Product type: Control relay
• Product range: CA3 Series
• Coil voltage: 110 V DC
• Coil code: FD
• Contact configuration: 4 NO (4 normally open)
• Number of poles: 4
• Conventional thermal current (Ith): 10 A
• Maximum switching voltage: 600 V AC
• Rated insulation voltage (Ui): 1000 V
• Rated impulse withstand voltage (Uimp): 8 kV
• Type: Instantaneous operation
• Electrical connection: Screw clamp terminals
• Mounting: 35 mm DIN rail or panel mount
• Application environment: Industrial control panels, motor control systems, machinery, and factory automation equipment.

Common Replacements:

• Schneider Electric CA3KN40FD TeSys K Control Relay
• Schneider Electric CAD40FD TeSys D Control Relay
• Schneider Electric CAD50FD TeSys D Control Relay