
The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein.
This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications.
It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof.
Neither Schneider Electric Industries SAS nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein.
Jun 22, 2015
1
Product data sheet
Characteristics
CA3KN31BD3
TeSys K control relay - 3 NO + 1 NC - <= 690
V - 24 V DC standard coil
Main
Range TeSys
Product name TeSys CAK
Product or component
type
Control relay
Device short name CA3K
Contactor application Control circuit
Utilisation category AC-15
DC-13
Pole contact composi-
tion
3 NO + 1 NC
[Ue] rated operational
voltage
<= 690 V <= 400 Hz
Control circuit type DC standard
Control circuit voltage 24 V DC
Complementary
Coil technology Built-in bidirectional peak limiting diode suppressor
[Ith] conventional free air thermal current 10 A at <= 50 °C
Irms rated making capacity 110 A conforming to IEC 60947
Associated fuse rating 10 A gG conforming to VDE 0660
10 A gG conforming to IEC 60947
[Ui] rated insulation voltage 600 V conforming to CSA C22.2 No 14
690 V conforming to BS 5424
750 V conforming to VDE 0110 group C
690 V conforming to IEC 60947
Mounting support Plate
Rail
Connections - terminals Screw clamp terminals 2 cable(s) 0.34...1.5 mm² - cable stiffness: flexible - with-
out cable end
Screw clamp terminals 1 cable(s) 0.34...1.5 mm² - cable stiffness: flexible - with
cable end
Screw clamp terminals 2 cable(s) 0.75...4 mm² - cable stiffness: flexible - without
cable end
Screw clamp terminals 1 cable(s) 0.75...4 mm² - cable stiffness: flexible - with ca-
ble end
Screw clamp terminals 2 cable(s) 1.5...4 mm² - cable stiffness: solid
Screw clamp terminals 1 cable(s) 1.5...4 mm² - cable stiffness: solid
Tightening torque 1.3 N.m - on screw clamp terminals - with screwdriver Philips No 2 6 mm
1.3 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm
Control circuit voltage limits 0.1...0.75 Uc at 50 °C drop-out
0.8...1.15 Uc at 50 °C operational
Operating time 25...35 ms coil energisation and NC opening
15 ms coil de-energisation and NC closing
30...40 ms coil energisation and NO closing
10 ms coil de-energisation and NO opening
Mechanical durability 20 Mcycles
Operating rate 10000 cyc/h
Immunity to microbreaks 2 ms
Inrush power in W 3 W at 20 °C
Hold-in power consumption in W 3 W at 20 °C
Heat dissipation 3 W
Minimum switching voltage 17 V