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LA1KN40

Marvo Part ID: MV-29GF

£20.70 (ex. VAT)

Schneider

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Specifications

Specification Description
Part Number LA1KN40
Manufacturer Schneider Electric
Product Range TeSys
Device Short Name LA1
Product or Component Type Auxiliary Contact Block
Pole Contact Composition 4 Normally Open (NO)
Mounting Location Front
Rated Operational Voltage ≤690 V AC 25...400 Hz
Rated Insulation Voltage 690 V conforming to IEC 60947-5-1, 600 V conforming to UL 60947-5-1, 600 V conforming to CSA C22.2 No 60947-5-1
Conventional Free Air Thermal Current 10 A (at 50 °C)
Rated Making Capacity 110 A at ≤ 690 V AC conforming to IEC 60947
Permissible Short-time Rating 80 A for 1 s, 60 A for 500 ms, 110 A for 100 ms
Associated Fuse Rating 10 A gG at ≤ 690 V conforming to IEC 60947
Minimum Switching Current 5 mA
Minimum Switching Voltage 17 V
Non-overlap Distance 0.5 mm
Insulation Resistance > 10 MOhm
Connections - Terminals Screw clamp terminals accommodating various cable sizes and types
Tightening Torque 1.3 N.m with screwdriver Philips No 2 or pozidriv No 2
Height 30 mm
Width 38 mm
Depth 35 mm
Net Weight 0.045 kg
Environmental Characteristic Normal environment
IP Degree of Protection IP20 conforming to IEC 60529
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

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LA1KN40 Product Description

The Schneider LA1KN40 is a high-quality auxiliary contact block designed to complement the TeSys K series of control relays. This component is essential for users who require reliable and instantaneous switching capabilities within their electrical circuits. With a pole contact composition of 4 Normally Open (NO) contacts, it ensures a robust connection and disconnection of circuits as needed.

Crafted for front mounting, the LA1KN40 is equipped with screw clamp terminals that can accommodate a range of control wire sizes, making installation straightforward and secure. The contact block is rated for operational voltages up to 690 V AC, with a frequency range of 25 to 400 Hz, and it conforms to international standards including IEC 60947-5-1, UL 60947-5-1, and CSA C22.2 No 60947-5-1, ensuring its suitability for a wide array of applications.

The unit boasts an impressive insulation resistance of over 10 MOhm, a testament to its ability to maintain circuit integrity and safety. Additionally, the LA1KN40 has a rated insulation voltage of 690 V, further underlining its capability to handle high-voltage applications with ease.

This auxiliary contact block is not only functional but also designed with sustainability in mind, complying with the latest environmental regulations such as REACh and RoHS. Its compact dimensions and lightweight design ensure it does not add unnecessary bulk to assemblies, making it an excellent choice for space-conscious setups.

Overall, the Schneider LA1KN40 auxiliary contact block is a reliable and efficient solution for enhancing the control and safety of electrical circuits in a variety of industrial and commercial settings.

Frequently Asked Questions

What type of device is the Schneider TeSys Series Auxiliary Contact Block?

The Schneider TeSys Series Auxiliary Contact Block is an industrial control product used for making and breaking auxiliary circuits and providing control signals to contactors and relays.

What is the voltage rating for this auxiliary contact block?

The auxiliary contact block is rated for operational voltages up to 690 V AC at frequencies of 25 to 400 Hz.

Can this auxiliary contact block be mounted on the front of a device?

Yes, the auxiliary contact block is designed for front mounting on compatible TeSys K devices.

What is the contact composition of this auxiliary contact block?

The contact composition of this auxiliary contact block is 4 Normally Open (NO) contacts.

What type of terminals does this auxiliary contact block have?

This auxiliary contact block is equipped with screw clamp terminals for secure and reliable connections.

What is the thermal current rating for this contact block?

The conventional free air thermal current rating for this contact block is 10 A at 50°C.

What standards does this auxiliary contact block comply with?

This auxiliary contact block complies with international standards such as EN/IEC 60947-5-1, UL 60947-5-1, and CSA C22.2 No 60947-5-1.

What is the minimum switching current for this contact block?

The minimum switching current for this contact block is 5 mA.

What is the insulation resistance of this auxiliary contact block?

The insulation resistance of this auxiliary contact block is greater than 10 MOhm.

Is this auxiliary contact block RoHS compliant?

Yes, this auxiliary contact block is compliant with the EU RoHS Directive, indicating that it is free from certain hazardous materials.