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Specification & Description
| Specification | Description |
|---|---|
| Part Number | CA3KN31MD3 |
| Manufacturer | Schneider |
| Range | TeSys |
| Product Name | TeSys CAK |
| Product Type | Control relay |
| Device Short Name | CA3K |
| Contactor Application | Control circuit |
| Utilisation Category | AC-15, DC-13 |
| Pole Contact Composition | 3 NO + 1 NC |
| Rated Operational Voltage [Ue] | <= 690 V, <= 400 Hz |
| Control Circuit Type | DC standard |
| Control Circuit Voltage [Uc] | 220 V DC |
| Coil Technology | Built-in bidirectional peak limiting diode suppressor |
| Conventional Free Air Thermal Current [Ith] | 10 A (at 50 °C) |
| Rated Making Capacity [Irms] | 110 A conforming to IEC 60947 |
| Associated Fuse Rating | 10 A gG conforming to IEC 60947, 10 A gG conforming to VDE 0660 |
| Rated Insulation Voltage [Ui] | 690 V conforming to IEC 60947, 750 V conforming to VDE 0110 group C, 690 V conforming to BS 5424, 600 V conforming to CSA C22.2 No 14 |
| Mounting Support | Rail, Plate |
| Connections - Terminals | Screw clamp terminals for various cable types and sizes |
| Tightening Torque | 1.3 N.m with screwdriver (flat Ø 6 mm, Philips No 2, pozidriv No 2) |
| Control Circuit Voltage Limits | Operational: 0.8...1.15 Uc (at <50 °C), Drop-out: 0.1...0.75 Uc (at <50 °C) |
| Operating Time | 10 ms coil de-energisation and NO opening, 30...40 ms coil energisation and NO closing, 15 ms coil de-energisation and NC closing, 25...35 ms coil energisation and NC opening |
| Mechanical Durability | 20 Mcycles |
| Maximum Operating Rate | 10000 cyc/h |
| Immunity to Microbreaks | 2 ms |
| Inrush Power | 3 W (at 20 °C) |
| Hold-in Power Consumption | 3 W at 20 °C |
| Heat Dissipation | 3 W |
| Minimum Switching Voltage | 17 V |
| Minimum Switching Current | 5 mA |
| Non Overlap Distance | 0.5 mm |
| Insulation Resistance | > 10 MOhm |
| Height | 58 mm |
| Width | 45 mm |
| Depth | 57 mm |
| Net Weight | 0.225 kg |
| Standards | BS 5424, IEC 60947, NF C 63-140, VDE 0660 |
| Product Certifications | CSA, UL |
| IP Degree of Protection | IP2X |
| Protective Treatment | TC conforming to IEC 60068 |
| Ambient Air Temperature for Operation | -25…50 °C |
| Ambient Air Temperature for Storage | -50…80 °C |
| Operating Altitude | 2000 m without derating |
| Flame Retardance | V1 conforming to UL 94, Requirement 2 conforming to NF F 16-101, Requirement 2 conforming to NF F 16-102 |
| Mechanical Robustness | Vibrations: contactor open: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6, Vibrations: contactor closed: 4 Gn, 5...300 Hz conforming to IEC 60068-2-6, Shocks: contactor open: 10 Gn for 11 ms conforming to IEC 60068-2-27, Shocks: contactor closed: 15 Gn for 11 ms conforming to IEC 60068-2-27 |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | REACh Declaration, REACh free of SVHC |
| EU RoHS Directive | Compliant, EU RoHS Declaration |
| Toxic Heavy Metal Free | Yes |
| Mercury Free | Yes |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile, Circularity Profile, End Of Life Information |
| WEEE | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
The Schneider CA3KN31MD3 is a high-quality control relay from the TeSys K range, designed to provide reliable performance in control circuit applications. This compact relay features a 3 NO + 1 NC pole contact composition, making it suitable for a variety of industrial automation tasks. It operates with a rated operational voltage of up to 690 V and is equipped with a 220 V DC standard coil.
Engineered for durability, the CA3KN31MD3 boasts a mechanical robustness that includes resistance to vibrations and shocks, conforming to IEC 60068 standards. It is built with a bidirectional peak limiting diode suppressor coil technology, ensuring efficient and stable operation. The relay supports both rail and plate mounting, offering flexibility in installation.
The device is compliant with multiple international standards, including IEC 60947, UL 60947-4-1, and CSA C22.2 No 60947-4-1, ensuring it meets stringent quality and safety requirements. It also features an IP2X degree of protection, providing a basic level of protection against dust and accidental contact.
With a conventional free air thermal current of 10 A and an inrush power of 3 W, the CA3KN31MD3 is designed to handle demanding operational conditions. Its compact dimensions (58 mm height, 45 mm width, and 57 mm depth) and lightweight design (0.225 kg) make it an ideal choice for space-constrained environments.
The Schneider CA3KN31MD3 is a versatile and reliable control relay, perfect for enhancing the efficiency and reliability of your control circuits.
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Frequently Asked Questions
What is the primary function of this control relay?
The primary function of this control relay is to manage control circuits, making it suitable for various industrial applications.
What are the contact configurations available for this relay?
This relay features a contact configuration of 3 normally open (NO) and 1 normally closed (NC) contacts.
What is the rated operational voltage for this relay?
The rated operational voltage for this relay is up to 690 V at 400 Hz.
What type of control circuit voltage does this relay use?
This relay uses a DC standard control circuit voltage of 220 V DC.
What is the conventional free air thermal current rating?
The conventional free air thermal current rating for this relay is 10 A at 50°C.
What are the dimensions of this relay?
The dimensions of this relay are 58 mm in height, 45 mm in width, and 57 mm in depth.
What is the mechanical durability of this relay?
This relay has a mechanical durability of 20 million cycles.
What is the maximum operating rate for this relay?
The maximum operating rate for this relay is 10,000 cycles per hour.
What type of mounting support is available for this relay?
This relay can be mounted on both rail and plate supports.
What are the environmental operating conditions for this relay?
This relay operates within an ambient air temperature range of -25°C to 50°C and can be stored at temperatures between -50°C and 80°C.
What is the IP degree of protection for this relay?
The IP degree of protection for this relay is IP2X.
What certifications does this relay have?
This relay is certified by CSA, UL, and conforms to standards such as IEC 60947 and VDE 0660.
What is the rated insulation voltage for this relay?
The rated insulation voltage for this relay is 690 V according to IEC 60947 and 750 V according to VDE 0110 group C.
What is the inrush power consumption of this relay?
The inrush power consumption of this relay is 3 W at 20°C.
What is the minimum switching voltage and current for this relay?
The minimum switching voltage is 17 V and the minimum switching current is 5 mA.
