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Schneider
LADN40
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LADN40 |
| Manufacturer | Schneider |
| Series | TeSys |
| Product Type | Auxiliary Contact Block |
| Mounting Type | Screw Mount |
| Pole Contact Composition | 4 Normally Open (NO) |
| Rated Operational Voltage (Ue) | 690 V AC 25...400 Hz |
| Rated Insulation Voltage (Ui) | 690 V conforming to IEC 60947-5-1, 600 V - certifications CSA, 600 V - certifications UL |
| Conventional Free Air Thermal Current (Ith) | 10 A at 60 °C |
| Rated Making Capacity (Irms) | 140 A AC conforming to IEC 60947-5-1, 250 A DC conforming to IEC 60947-5-1 |
| Permissible Short-Time Rating | 100 A at 60 °C for 1 s, 120 A at 60 °C for 500 ms, 140 A at 60 °C for 100 ms |
| Mechanical Durability | 30 Mcycles |
| Minimum Switching Current | 5 mA |
| Minimum Switching Voltage | 17 V |
| Non-Overlap Time | 1.5 ms on de-energisation and energisation with no overlap between NC and NO contacts |
| Insulation Resistance | > 10 MOhm |
| Connections - Terminals | Screw clamp terminals for cables 1…4 mm², flexible with or without cable end, and rigid |
| Tightening Torque | 1.7 N.m |
| Height | 48 mm |
| Width | 44 mm |
| Depth | 42 mm |
| Product Weight | 0.05 kg |
| Environmental Characteristic | Normal environment |
| IP Degree of Protection | IP2X conforming to IEC 60529 |
| Protective Treatment | TH conforming to IEC 60068 |
| Ambient Air Temperature for Operation | -5...60 °C |
| Ambient Air Temperature for Storage | -60...80 °C |
| Operating Altitude | Up to 3000 m without derating in temperature |
| Product Certifications | CB, UL, CSA, CCC, EAC, UKCA |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | Free of SVHC (Substances of Very High Concern) |
| EU RoHS Directive | Compliant |
| Toxic Heavy Metal Free | Yes |
| Mercury Free | Yes |
The Schneider LADN40 is a high-quality auxiliary contact block designed to complement TeSys series contactors, ranging from LC1D09 to LC1D150. This robust component is engineered to provide reliable performance in a variety of industrial applications. With a front mounting design and screw clamp terminals, it ensures a secure and straightforward installation process.
Featuring a 4NO (normally open) pole contact composition, the LADN40 auxiliary contact block operates instantaneously, enhancing the control and safety of your electrical circuits. It is rated for an operational voltage of 690 V AC, with a frequency range of 25 to 400 Hz, and has a rated insulation voltage of 690 V, conforming to IEC 60947-5-1 standards.
The LADN40 is built to withstand the demands of industrial environments, offering a mechanical durability of 30 million cycles and an IP20 degree of protection. It operates efficiently within an ambient temperature range of -5 to 60°C and can be used at altitudes up to 3000 metres without derating.
This auxiliary contact block is part of Schneider Electric's Green Premium product line, indicating compliance with the latest environmental standards and regulations. It is REACh and RoHS compliant, ensuring it is free from harmful substances and supports a sustainable approach to industrial componentry.
With its combination of durability, compliance, and performance, the Schneider LADN40 auxiliary contact block is an essential component for enhancing the functionality and safety of your TeSys contactor setups.
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Frequently Asked Questions
What is the voltage rating for this auxiliary contact block?
The rated operational voltage for this auxiliary contact block is 690 V AC at frequencies ranging from 25 to 400 Hz.
Can this contact block be used with any contactor?
This auxiliary contact block is designed for use with specific TeSys series contactors, ranging from LC1D09 to LC1D150 models.
What type of terminals does this contact block have for wiring?
The contact block comes with screw clamp terminals that can accommodate various wire sizes and types, providing a secure and reliable connection.
What is the thermal current rating for this contact block?
The conventional free air thermal current rating (Ith) for the LADN40 is 10 A at 60°C.
What is the IP degree of protection for this auxiliary contact block?
The auxiliary contact block has an IP degree of protection of IP2X, ensuring a level of protection against solid objects.
What is the operating temperature range for this contact block?
The ambient air temperature range for operation is between -5°C and 60°C.
How many auxiliary contacts does this block provide?
This auxiliary contact block provides 4 normally open (NO) contacts.
What is the insulation resistance of this contact block?
The insulation resistance of the contact block is greater than 10 MOhm, ensuring electrical safety and reliability.
What is the mechanical durability of this auxiliary contact block?
The mechanical durability of the contact block is rated at 30 million cycles, indicating a long operational lifespan under normal conditions.
Is this product compliant with environmental regulations?
Yes, the auxiliary contact block is a Green Premium product, compliant with REACh and RoHS regulations, and free of SVHC (Substances of Very High Concern).
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