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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LADT46 |
| Alternative Part Number | LADT46 |
| Manufacturer | Schneider |
| Product Type | Time Delay Auxiliary Contact Block |
| Range | TeSys |
| Range Compatibility | TeSys D CAD, TeSys D LC1D, TeSys F LC1F, TeSys F CR1F, TeSys Deca CAD, TeSys Deca LC1D |
| Mounting Location | Front |
| Pole Contact Composition | 1 NO + 1 NC |
| Auxiliary Contacts Operation | Time Delay |
| Timer Type | On Delay |
| Time Delay Range | 10...180 s |
| 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, 250 A DC |
| Permissible Short-Time Rating | 100 A 60 °C 1 s, 120 A 60 °C 500 ms, 140 A 60 °C 100 ms |
| Protection Type | GG Fuse 10 A |
| Mechanical Durability | 5 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 contact |
| Insulation Resistance | > 10 MOhm |
| Connections - Terminals | Lugs-ring terminals (external diameter: 8 mm) |
| Tightening Torque | 1.7 N.m with screwdriver flat Ø 6 mm, Philips No 2, pozidriv No 2 |
| Colour | Dark Grey |
| Height | 48 mm |
| Width | 44 mm |
| Depth | 61 mm |
| 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 | -40…70 °C |
| Ambient Air Temperature for Storage | -60…80 °C |
| Operating Altitude | 3000 m |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Compliant |
| Mercury Free | Yes |
| RoHS Exemption Information | Yes |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile |
| WEEE | Must be disposed on European Union markets following specific waste collection |
| PVC Free | Yes |
| California Proposition 65 | WARNING: Cancer - www.P65Warnings.ca.gov |
The Schneider LADT46 is a time delay auxiliary contact block designed to enhance the functionality of TeSys D, K, and F series contactors and starters. This robust component offers a reliable solution for applications requiring precise timing control, such as in conveyor systems, fans, and pumps. It features a single normally open (NO) and a single normally closed (NC) contact configuration, with an adjustable on-delay timer ranging from 10 to 180 seconds.
Constructed to withstand the demands of industrial environments, the LADT46 operates within an ambient temperature range of -40 to 70°C and is rated for voltages up to 690V AC. Its compact design allows for front mounting, ensuring easy integration into existing setups without the need for extensive modifications.
The LADT46 is compliant with international standards, including EN/IEC 60947-5-1, UL 60947-5-1, and CSA C22.2 No 60947-5-1, which attest to its quality and reliability. It also meets the requirements of the Green Premium product label, indicating adherence to environmental regulations such as REACh, RoHS, and WEEE, making it a responsible choice for businesses committed to sustainability.
With a mechanical durability of 5 million cycles and an insulation resistance greater than 10 MOhm, the LADT46 is a durable and dependable choice for extending the capabilities of your contactors and starters. Its dark grey housing and IP2x degree of protection ensure it is well-suited for normal industrial environments, providing a combination of performance and resilience that is essential for modern automation systems.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this time delay auxiliary contact block?
The time delay auxiliary contact block is designed to provide an on-delay timing function for control circuits. It delays the closing or opening of its contacts by a set time after an input signal is received.
Can this contact block be used with any contactor?
No, it is specifically compatible with TeSys D, TeSys F, and TeSys Deca contactors, including the LC1D and CR1F models.
What is the time delay range for this contact block?
The time delay range for the LADT46 is adjustable from 10 to 180 seconds, allowing for precise control over the timing of contact operations.
How is the contact block mounted?
This contact block is designed for front mounting, which allows for easy installation directly onto compatible contactors.
What type of terminals does this contact block have?
It comes equipped with lugs-ring terminals, which are suitable for secure and reliable wire connections.
What is the rated insulation voltage of this contact block?
The rated insulation voltage (Ui) is 690 V, conforming to IEC 60947-5-1 standards, ensuring safe operation within a wide range of control circuit voltages.
What is the IP degree of protection for this contact block?
The contact block has an IP degree of protection of IP2x, providing a level of protection against solid objects.
What are the environmental operating conditions for this contact block?
The contact block can operate in ambient air temperatures ranging from -40 to 158°F (-40 to 70°C) and can be stored in temperatures from -76 to 176°F (-60 to 80°C). It is also rated for operation at altitudes up to 3000 meters.
What is the mechanical durability of this contact block?
The mechanical durability of the contact block is rated at 5 million cycles, indicating a long operational lifespan under normal conditions.
Does this contact block have any specific recycling requirements?
Yes, it must be disposed of in accordance with European Union waste collection regulations and should not end up in rubbish bins.
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