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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LA1KN31 |
| Manufacturer | Schneider |
| Product Type | Auxiliary Contact Block |
| Device Short Name | LA1 |
| Range Compatibility | TeSys K LC1K, TeSys K CA2K, TeSys K CA3K |
| Mounting Location | Front |
| Pole Contact Composition | 3 Normally Open (NO) + 1 Normally Closed (NC) |
| Contacts Operation | Instantaneous |
| Rated Operational Voltage (Ue) | 690 V AC 25...400 Hz |
| Rated Insulation Voltage (Ui) | 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 (Ith) | 10 A at 50 °C (122 °F) |
| Standards | EN/IEC 60947-5-1, UL 60947-5-1, CSA C22.2 No 60947-5-1, GB/T 14048.5, JIS C8201-5-1 |
| Product Certifications | CB Scheme, CCC, UL, CSA, CE, UKCA |
| Rated Making Capacity (Irms) | 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 for cables 0.34…1.5 mm² flexible with cable end, 0.75…4 mm² flexible without cable end, 1.5…4 mm² solid |
| Tightening Torque | 1.3 N.m with screwdriver Philips No 2 or pozidriv No 2 |
| Dimensions (Height x Width x Depth) | 30 mm x 38 mm x 35 mm |
| Net Weight | 0.045 kg |
| Environmental Characteristic | Normal environment |
| IP Degree of Protection | IP20 conforming to IEC 60529 |
| Ambient Air Temperature for Operation | -25…50 °C (-13…122 °F) |
| Ambient Air Temperature for Storage | -50…80 °C (-58…176 °F) |
| Operating Altitude | 2000 m without derating |
The Schneider LA1KN31 is a high-quality auxiliary contact block designed for seamless integration with TeSys K control relays. This compact and robust component features a configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, making it a versatile choice for various industrial applications. The screw clamp terminals ensure a secure and reliable connection for cables, accommodating a range of wire sizes with both solid and flexible ends.
Engineered to operate at a rated insulation voltage of 690 V and suitable for use in circuits up to 400 Hz, the LA1KN31 is built to handle conventional free air thermal currents of 10 A at 50°C. Its instantaneous contact operation provides swift response within your control systems, enhancing overall performance.
The LA1KN31 is compliant with several international standards, including EN/IEC 60947-5-1, UL 60947-5-1, and CSA C22.2 No 60947-5-1, ensuring its reliability and quality are recognised globally. It also boasts certifications from IECEE CB Scheme, UL, CSA, CCC, CE, and UKCA, reflecting its adherence to stringent quality and safety benchmarks.
With an IP20 degree of protection conforming to IEC 60529 and a protective treatment of TC conforming to IEC 60068, this auxiliary contact block is designed to withstand normal environmental conditions within industrial settings. It can operate within an ambient air temperature range of -25 to 50°C and is suitable for use at altitudes up to 2000 metres without derating.
The LA1KN31's compact dimensions and lightweight design ensure it does not occupy excessive space within control panels, making it an efficient choice for space-constrained applications. Its straightforward mounting process allows for quick installation at the front of compatible TeSys K devices.
In summary, the Schneider LA1KN31 auxiliary contact block is a dependable and efficient solution for enhancing control relay functionality in a wide array of industrial environments.
Commonly Asked Questions
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Frequently Asked Questions
What type of device is this auxiliary contact block suitable for?
This auxiliary contact block is designed for use with TeSys K control relays and contactors, including the LC1K, CA2K, and CA3K series.
Can this auxiliary contact block be mounted on the front of a device?
Yes, it is intended for front mounting on compatible TeSys K devices.
What is the contact composition of this auxiliary contact block?
The contact composition includes 3 normally open (NO) contacts and 1 normally closed (NC) contact.
What is the rated operational voltage for this auxiliary contact block?
The rated operational voltage is 690 V AC at frequencies ranging from 25 to 400 Hz.
What type of terminals does this auxiliary contact block have?
It is equipped with screw clamp terminals that can accommodate various cable sizes and types.
What is the insulation voltage rating for this auxiliary contact block?
The rated insulation voltage is 690 V, conforming to IEC standards, and 600 V in accordance with UL and CSA standards.
What is the thermal current rating for this auxiliary contact block?
The conventional free air thermal current rating is 10 A at 50°C.
What is the IP degree of protection for this auxiliary contact block?
The auxiliary contact block has an IP20 degree of protection, conforming to IEC 60529.
What are the environmental operating conditions for this auxiliary contact block?
It can operate in ambient air temperatures ranging from -25 to 50°C and can be stored in temperatures from -50 to 80°C. It is also rated for operation at altitudes up to 2000 metres.
What certifications does this auxiliary contact block hold?
It holds several product certifications, including CB Scheme, CCC, UL, CSA, CE, and UKCA.
