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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
LADN203
Schneider LADN203 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Schneider LADN203 is a meticulously engineered auxiliary contact block designed to complement the TeSys D range of contactors and control relays. This component is essential for users who require reliable and instantaneous switching operations within their electrical circuits. With a configuration of 2 normally open (NO) contacts, it offers a versatile solution for expanding control systems and enhancing circuit functionality.
Crafted for front mounting, the LADN203 ensures a seamless integration with existing setups, promoting ease of installation. The spring terminals accommodate cables up to 2.5 mm², both flexible and solid, without the need for cable ends, streamlining the connection process and maintenance.
Rated for an insulation voltage of 690 V in accordance with IEC 60947-5-1 standards, and operational voltages up to 690 V AC at frequencies between 25 and 400 Hz, this auxiliary contact block is suitable for a wide range of applications. It boasts a conventional free air thermal current of 10 A at 60°C and can handle making capacities of 140 A AC and 250 A DC, ensuring robust performance in demanding conditions.
The LADN203 is designed with safety and durability in mind, featuring an IP2x protection degree as per VDE 0106, and a TH protective treatment conforming to IEC 60068, ensuring it can withstand normal environmental conditions. With a mechanical durability of 30 million cycles, this component is built to last, providing a reliable solution for your control systems.
In line with Schneider Electric's commitment to sustainability, the LADN203 is a Green Premium product, compliant with the latest environmental standards, including REACh and EU RoHS directives. It is free of hazardous substances, such as toxic heavy metals and mercury, ensuring it not only meets but exceeds environmental and safety regulations.
The LADN203 is an indispensable component for those seeking to enhance the efficiency and reliability of their electrical control systems, with the assurance of quality and sustainability from Schneider Electric.
Crafted for front mounting, the LADN203 ensures a seamless integration with existing setups, promoting ease of installation. The spring terminals accommodate cables up to 2.5 mm², both flexible and solid, without the need for cable ends, streamlining the connection process and maintenance.
Rated for an insulation voltage of 690 V in accordance with IEC 60947-5-1 standards, and operational voltages up to 690 V AC at frequencies between 25 and 400 Hz, this auxiliary contact block is suitable for a wide range of applications. It boasts a conventional free air thermal current of 10 A at 60°C and can handle making capacities of 140 A AC and 250 A DC, ensuring robust performance in demanding conditions.
The LADN203 is designed with safety and durability in mind, featuring an IP2x protection degree as per VDE 0106, and a TH protective treatment conforming to IEC 60068, ensuring it can withstand normal environmental conditions. With a mechanical durability of 30 million cycles, this component is built to last, providing a reliable solution for your control systems.
In line with Schneider Electric's commitment to sustainability, the LADN203 is a Green Premium product, compliant with the latest environmental standards, including REACh and EU RoHS directives. It is free of hazardous substances, such as toxic heavy metals and mercury, ensuring it not only meets but exceeds environmental and safety regulations.
The LADN203 is an indispensable component for those seeking to enhance the efficiency and reliability of their electrical control systems, with the assurance of quality and sustainability from Schneider Electric.
| Specification | Description |
|---|---|
| Part Number | LADN203 |
| Manufacturer | Schneider Electric |
| Product Type | Auxiliary Contact Block |
| Range | TeSys D, TeSys D Control Relay |
| Device Short Name | LADN |
| Range Compatibility | TeSys D CAD, TeSys D LC1D, TeSys Deca CAD, TeSys Deca LC1D |
| Mounting Location | Front |
| Pole Contact Composition | 2 Normally Open (NO) Contacts |
| 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, 600 V conforming to CSA |
| 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 |
| Protection Type | GG fuse 10 A |
| Mechanical Durability | 30 Million cycles |
| Minimum Switching Current | 5 mA |
| Minimum Switching Voltage | 17 V |
| Non-Overlap Time | 1.5 ms on de-energisation and energisation, no overlap between NC and NO contact |
| Insulation Resistance | > 10 MOhm |
| Environmental Characteristic | Normal environment |
| IP Degree of Protection | IP20 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 |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | Free of Substances of Very High Concern (SVHC) |
| EU RoHS Directive | Compliant |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile |
| WEEE | Must be disposed of according to specific waste collection in the European Union |
What is the function of this auxiliary contact block?
The auxiliary contact block is used to provide additional switching functions in a control circuit. It can be used for signalling, interlocking, and auxiliary circuits.
How can this contact block be mounted?
This contact block is designed for front mounting, which allows for easy installation directly onto compatible contactors and control relays.
What type of terminals does this contact block have?
The contact block is equipped with spring terminals, which are suitable for connecting both flexible and solid cables without the need for cable ends.
What is the rated operational voltage for this contact block?
The rated operational voltage for the LADN203 is 690 V AC at frequencies ranging from 25 to 400 Hz.
What are the environmental operating conditions for this contact block?
The contact block can operate in normal environmental conditions, with an ambient air temperature range for operation of -5 to 60°C and for storage from -60 to 80°C. It is also rated for use at altitudes up to 3000 meters without derating.
What is the IP degree of protection for this contact block?
The contact block has an IP20 degree of protection, conforming to IEC 60529, which provides protection against solid objects larger than 12mm but not against liquids.
Can this contact block be used with any contactor?
No, it is specifically designed to be compatible with TeSys D contactors and control relays, ensuring proper fit and function.
What is the thermal current rating for this contact block?
The conventional free air thermal current rating (Ith) for the contact block is 10 A at 60°C.
What certifications does this contact block hold?
The contact block is certified by international standards including UL, CSA, and it conforms to IEC and EN standards.
What is the mechanical durability of this contact block?
The mechanical durability of the contact block is rated at 30 million cycles, indicating its ability to withstand a high number of operations.
- Integration into industrial control panels for auxiliary switching functions
- Use in manufacturing automation systems for additional contact requirements
- Implementation in conveyor systems for control signal extension
- Application in HVAC systems for enhancing control circuit capabilities
- Incorporation in packaging machinery for auxiliary operations
- Utilisation in motor control centres for status indication and interlocking
- Installation in control circuits of pumping stations for auxiliary feedback
- Employment in material handling equipment for additional control tasks
- Inclusion in agricultural machinery control systems for expanded functionality
- Adaptation in renewable energy installations for improved control circuit management
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
5 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
6 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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