The Schneider Electric TeSys K Control Relay CA3KN31BD3 is a compact industrial control relay designed for use in electrical control circuits. It features a 24 V DC standard coil and four contact poles (three normally open and one normally closed) capable of switching up to 10 A at 690 V AC/DC in control applications.
Key Specifications
Parameter English Specification
Product Type Control Relay (Industrial Control Relay)
Series TeSys K
Model Number CA3KN31BD3
Contact Configuration 3 Normally Open (NO) + 1 Normally Closed (NC)
Number of Poles 4 poles
Coil Voltage 24 V DC standard coil
Rated Operational Voltage (Ue) ≤ 690 V AC/DC
Conventional Thermal Current (Ith) 10 A (at 50 °C)
Rated Making Capacity (Irms) ~110 A (IEC 60947)
Utilisation Category AC-15 / DC-13
Contact Rating 10 A (control circuit)
Connection Type Screw clamp terminals
Mounting DIN-rail or panel
Width ~45 mm
Height ~58 mm
Depth ~57 mm
Operating Temperature Range −25 °C to +50 °C
Protection Degree IP2X
Special Features Built-in surge suppression diode (for DC coil)
Standards / Approvals IEC 60947, UL, CSA, CCC, EAC, RoHS/REACH (Green Premium)
Typical Operating Rate Up to ~180 cycles/min (high operating rate)