Schneider LC1 series contactors

ال Schneider LC1 series contactors are classic products in the field of industrial control, widely used in motor control, power distribution, and automation systems. The following is a detailed analysis of this series:

1. Product Positioning and Core Featuresقواطع دوائر التيار المستمر من سلسلة Chint NB1-63DC Price

The LC1 series belongs to Schneider Electric’s TeSys family, renowned for its high reliability and modular design. Its core advantages include:

1. Long-life Design: With a mechanical life of up to 20 million operations and an electrical life of 2 مليون عملية, it is suitable for frequent operation scenarios.
2. Wide Voltage Adaptability: The coil control voltage ranges from 70% ل 120% من القيمة المقدرة, compatible with 50Hz/60Hz universal coils for global use. Schneider Circuit Breakers Price
3. Harsh Environment Adaptation: Treated with “TH” حماية, it ensures stable operation in humid and hot environments, with a protection class of IP2X (preventing direct finger contact).
4. Modular Expansion: Supports quick installation of accessories such as auxiliary contacts, time-delay modules, and mechanical interlocks, flexibly adapting to complex control needs like star-delta starters and reversible contactors.
5. Main Models and Technical ParametersSchneider-MCCB-NSX250F-4P-250A

The LC1 series includes multiple sub-series covering different current ratings and application scenarios:

LC1-D Series Schneider low-voltage molded case circuit breaker :

النطاق الحالي: 9A–620A (AC-3 category), with a maximum power of 335kW at 380V.

الجهد لفائف: Supports various AC/DC voltages such as 24V, 36V, and 220V.

Wiring Technology: Models 40–65A adopt Everlink® patented terminals to ensure wiring firmness.

الشهادات: م, سي سي سي, أول, وكالة الفضاء الكندية, إلخ. Some models are certified by classification societies (على سبيل المثال, DNV, BV).

LC1-E Series:

النطاق الحالي: 6A–95A (extended to 630A), suitable for small and medium-power motor control.

LC1-G Series:

Large-scale Models: Such as LC1G205-KUEC (205أ) and LC1G620-EHEC (620أ), featuring electronic coils and self-diagnosis functions to replace the old LC1-F series.

Intelligent Features: Built-in LED diagnostic lights, supporting contact wear monitoring and over/under-voltage warnings.

ثالثا. Application Fields and Typical Scenarios

1. الأتمتة الصناعية:

– Motor control (مضخات, المشجعين, الضواغط).

– Capacitor bank switching and electric heating equipment control.

2. Infrastructure:

– New energy fields (wind turbines, photovoltaic inverters).

– Port machinery and lifting equipment.

3. Building Electrical Systems:

– Elevator control systems.

– Centralized control of lighting and air conditioning systems.

1. Supporting Products and Selection Recommendations
2. Thermal Relays:

– Paired with LRD series thermal relays to form electromagnetic starters, providing overload protection.

2. Auxiliary Contact Modules:

– LADN11C (1 لا + 1 نورث كارولاينا), LAG8N series (expandable to up to 4 sets of contacts).

3. اختيار النقاط الرئيسية:

المطابقة الحالية: Select contactors based on the motor’s rated current, leaving a 20% margin under AC-3 category.

الجهد لفائف: Prioritize voltages compatible with the control system (على سبيل المثال, 24V output from PLC).

الظروف البيئية: Choose “TH”-protected models for humid/hot environments, and confirm certification scope for high-altitude scenarios.

1. Upgrades and Alternative Solutions
2. TeSys D Series:

– As an upgrade to LC1-D, it offers a wider current range (9–630A) and higher breaking capacity, compatible with original accessories.

2. TeSys Giga Series:

– A new generation of high-power contactors supporting predictive maintenance and quick contact replacement, replacing the LC1-F series.

3. Compatibility Notes:

– LC1-D and TeSys D are compatible in installation dimensions and wiring methods, allowing direct replacement.

1. Installation and Certifications
2. طرق التثبيت:

– Standard 35mm rail mounting, supporting spring terminals, screws, or Everlink® quick wiring.

2. Certification Coverage:

– Complies with standards such as IEC 60947 و غيغابايت 14048; some models are ATEX explosion-proof certified.

سابعا. Price and Supply

Price Range:

– Small models (على سبيل المثال, LC1-D09M7C) cost about 370 يوان, while large models (على سبيل المثال, LC1-G620) can reach thousands of RMB.

Supply Channels:

– Available for purchase through Schneider’s authorized dealers via WhatsApp: 0086-13811355435.

خاتمة

With high reliability, modular design, وتطبيق واسع, Schneider’s LC1 series contactors are the first choice for industrial control. Users can select LC1-D (universal), LC1-E (small/medium power), or LC1-G (high-power intelligent) based on specific needs, and combine them with supporting accessories for efficient control. For upgrades, the TeSys D and Giga series offer more advanced functions and compatibility. It is recommended to refer to Schneider’s official technical manuals or contact technical support (hotline: 400-810-1315) for precise solutions during selection.