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Schneider CA3KN31BD3

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Marvo Stock ID MV-317D
HS Code 85364110
SKU CA3KN31BD3
Condition Used
Warranty 12 months
Weight (kg) 0.23
Length (mm) 57.00
Width (mm) 45.00
Height (mm) 58.00

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Specification & Description

Specification Description
Part Number CA3KN31BD3
Manufacturer Schneider
Product Range TeSys
Product or Component Type Control Relay
Device Short Name CA3K
Contactor Application Control Circuit
Utilisation Category DC-13, AC-15
Pole Contact Composition 3 NO + 1 NC
Rated Operational Voltage <= 690 V, <= 400 Hz
Control Circuit Type DC Standard
Control Circuit Voltage 24 V DC
Coil Technology Built-in Bidirectional Peak Limiting Diode Suppressor
Conventional Free Air Thermal Current 10 A at <50°C
Rated Making Capacity 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 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 cables 1.5…4 mm² solid and flexible with or without cable end, Screw Clamp Terminals for cables 0.34…1.5 mm² flexible with or without cable end
Tightening Torque 1.3 N.m for screw clamp terminals
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 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
Minimum Switching Current 5 mA
Non-overlap Distance 0.5 mm
Insulation Resistance > 10 MOhm
Dimensions (H x W x D) 58 mm x 45 mm x 57 mm
Net Weight 0.225 kg
Standards EN/IEC 60947-4-1, GB/T 14048.4, UL 60947-4-1, CSA C22.2 No 60947-4-1, JIS C8201-4-1
Product Certifications CB Scheme, CCC, UL, CSA, EAC, CE, UKCA
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, contactor closed 4 Gn, 5...300 Hz, Shocks: contactor open 10 Gn for 11 ms, contactor closed 15 Gn for 11 ms

The Schneider CA3KN31BD3 is a high-performance control relay from the renowned TeSys K series, designed to facilitate the management of electrical circuits within a wide array of industrial applications. This compact and robust relay is engineered to operate with a control circuit voltage of 24 V dc and can handle rated operational voltages up to 690 V ac, making it suitable for a diverse range of operating environments.

With a configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, it offers flexibility in controlling various types of loads. The relay's utilisation categories, DC-13 and AC-15, indicate its capability to reliably switch both DC and AC loads, which is essential for applications that require precise control of power.

The CA3KN31BD3 features a built-in bidirectional peak limiting diode suppressor, enhancing the protection against voltage spikes, thus ensuring the longevity of the relay and the safety of the circuit. The conventional free air thermal current is rated at 10 A at 50°C, with a rated making capacity of 110 A conforming to IEC 60947 standards, which speaks to its ability to handle high inrush currents.

Mounting and installation are made easy with options for rail or plate support, and the screw clamp terminals accommodate a range of wire sizes for solid or flexible cables, ensuring a secure and reliable connection. The relay's mechanical durability is demonstrated by its ability to withstand 20 million cycles, and it can operate at a maximum rate of 10,000 cycles per hour, making it a reliable choice for high-demand applications.

The compact dimensions of 45 x 57 x 58 mm allow for efficient use of space inside control panels, and the IP2x degree of protection ensures that the relay is safeguarded against the ingress of solid objects.

Designed with sustainability in mind, the Schneider CA3KN31BD3 is a Green Premium product, complying with the latest environmental standards and regulations, including REACh and EU RoHS, ensuring that it is free from harmful substances and supports a responsible end-of-life disposal process.

Overall, the Schneider CA3KN31BD3 control relay is a versatile and reliable component that offers both performance and durability for industrial control applications.

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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Frequently Asked Questions

What is the control voltage for this relay?

The control relay operates with a control circuit voltage of 24 V dc.

Can this relay be used in high-frequency applications?

Yes, the relay is suitable for applications with a frequency up to 400 Hz.

What are the dimensions of the relay?

The dimensions of the relay are 45 mm in width, 57 mm in depth, and 58 mm in height.

What is the thermal current rating for this relay?

The conventional free air thermal current rating (Ith) for the relay is 10 A at less than 50°C.

What type of contacts does the relay have?

The relay has a contact composition of 3 Normally Open (NO) and 1 Normally Closed (NC).

What is the rated operational voltage for this relay?

The rated operational voltage for the relay is up to 690 V ac.

What is the mechanical durability of the relay?

The mechanical durability of the relay is rated at 20 million cycles.

What is the insulation resistance of the relay?

The insulation resistance of the relay is greater than 10 MOhm.

What standards does the relay comply with?

The relay complies with international standards such as EN/IEC 60947-4-1, GB/T 14048.4, UL 60947-4-1, CSA C22.2 No 60947-4-1, and JIS C8201-4-1.

What is the IP degree of protection for this relay?

The relay has an IP degree of protection of IP2x.

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Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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