المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
التصنيف الحالي: 95أ (for AC-3, 400V utilization category)
Main Contacts: 3لا (3 normally open main contacts)
Auxiliary Contacts: 1NO+1NC (1 normally open + 1 مغلقة عادة)
Pole Configuration: 3ص (three-phase)
Control Power: 45kW (at AC-3, 400V)
Coil Voltage: Multiple Options
AC (no suffix): 24V, 36V, 48V, 110V, 127V, 220V, 230V, 240V, 380V, 400V, 415V, 440V, 480V, 660V
DC (with Z suffix): 24V, 36V, 48V, 110V
تكرار: 50/60هرتز
تصنيف الجهد العزل: 690V
Protection Class: IP20 (finger-proof and dust-proof)
Ambient Temperature: -5℃~+40℃
حد الارتفاع: ≤2000m
- Model Interpretation
NC1 95 11 (Coil Voltage)
├──┬──┬──┬──┬──
│ │ │ └─Auxiliary Contacts: 11 = 1NO+1NC
│ │ └─Main Contact Rating: 95 = 3NO main contacts
│ └─Rated Current: 95أ
└─Series Code: NC1 Series
ثالثا. Product Features and Applications
- Core Functions
Remote Control: Controls the on/off of high-power circuits via low-voltage signals
Frequent Operation: Suitable for frequent starting, stopping, forward and reverse control of electric motors
Overload Protection Compatibility: Can be combined with thermal overload relays (على سبيل المثال, NR2 series) to form electromagnetic starters, protecting circuits from overload damage
- سيناريوهات التطبيق النموذجية
Industrial Machinery: Motor control of various production equipment (على سبيل المثال, fans, مضخات المياه, compressors)
Automated Production Lines: Equipment start-stop and sequence control
Construction Machinery: Power control of large-scale equipment such as tower cranes and mixers
Agricultural Machinery: Irrigation systems and grain processing equipment
Commercial Facilities: Air conditioning systems and elevator control
- Technical Details
Utilization Category Explanation
ايه سي-3: Starting and breaking of squirrel-cage induction motors during operation (the most common application scenario for المقاولين)
AC-4: Starting, plugging braking, reverse operation or jogging of squirrel-cage induction motors
Connection Method: Top-in and bottom-out (standard industrial wiring method)
طريقة التركيب: 35mm standard DIN rail mounting, suitable for industrial control cabinets
Wire Specification: It is recommended to use copper wires with appropriate cross-sectional area to ensure current-carrying capacity
- Related Models and Price Reference
- Other Specifications in the Same Series
NC1-0910/0901: 9أ, auxiliary contacts 1NO or 1NC
NC1-2510/2501: 25أ, auxiliary contacts 1NO or 1NC
NC1-6511: 65أ, auxiliary contacts 1NO+1NC
NC1-8011: 80أ, auxiliary contacts 1NO+1NC
- Price Range (Reference as of December 2025)
NC1-9511 Series: 200-500 RMB per unit (varies by coil voltage and procurement channel)
DC Type (NC1-9511Z Series): Slightly higher than AC type, عن 10-15% higher
- Selection Suggestions
- Select According to Load Current: Ensure the rated current of the contactor is ≥ the rated current of the load; generally, choose one size larger
Example: For controlling a 45kW/380V three-phase motor (rated current approx. 90أ), NC1-9511 is an optional model
- Select Coil Voltage According to Control Power Supply:
Commonly used in industrial control: 220V, 380V
Safety voltage scenarios: 24V, 36V
DC control: Select models with Z suffix (على سبيل المثال, NC1-9511Z-24V)
- Select Auxiliary Contacts:
For status indication only: Choose 1NO (على سبيل المثال, NC1-9510)
For interlock control: Choose 1NO+1NC (على سبيل المثال, NC1-9511)
سابعا. ملخص
Chint NC1-9511 is a standard AC contactor with 3P configuration and 95A rated current, equipped with 3 normally open main contacts and 1 pair of auxiliary contacts. It is suitable for various industrial three-phase motor control scenarios, especially for motor loads around 45kW. Its modular design, multiple coil voltage options and wide adaptability make it a commonly used basic control component in industrial control systems.
Seven Core Advantages of Chint Contactors
- Safe and Reliable Technical Design
Excellent Arc Extinguishing Capacity:
Adopts magnetic arc extinguishing design to ensure safety when breaking high voltage (DC1500V)
Equipped with short-circuit resistant electric repulsion structure, with short-circuit current resistance up to 8000A/5ms, greatly improving system stability
The tightening torque of main circuit terminals below 100A is increased by more than 40%, avoiding loosening and poor contact caused by vibration
Multiple Safety Protections:
Products have passed international certifications such as UL, CE, CSA, TÜV, complying with IEC and GB/T standards
Non-polar design of the main circuit enables flexible connection and reduces the risk of misoperation
Protection class is upgraded to IP50 (for some series), far exceeding the standard IP20, with stronger dust-proof performance
- Excellent Performance
Ultra-long Service Life:
Electrical life up to 1.25 million times and mechanical life up to 10 مليون مرة, greatly reducing replacement frequency and maintenance costs
Contacts are made of high-purity silver alloy, resistant to electric corrosion and wear, maintaining stable performance even under frequent operation
High Energy Efficiency:
Adopts dual-coil energy-saving technology, reducing energy consumption by about 85% compared with traditional contactors while eliminating electromagnetic noise
Since 2025, all series of products meet the energy efficiency Class 1 requirements, providing LCA carbon footprint reports and complying with international carbon regulations such as EU CBAM
ثالثا. Strong Environmental Adaptability
Wide Temperature Range Operation:
Operating temperature range up to -25℃~+55℃ (for some series), far exceeding the industry standard (-5℃~+40℃), suitable for extreme environments
Humidity tolerance: Relative humidity ≤50% at the maximum temperature of +40℃; up to 90% in low-temperature environments, suitable for humid areas
Diversified Application Scenarios:
Full power coverage from 0.12kW to 630kW, meeting the needs of industrial automation, building electrical, new energy and other fields
Specifically optimized for the Chinese power grid environment (large voltage fluctuations and frequent load changes), with stronger stability
- Advantages of Intelligence and Modularity
Intelligent Monitoring Function:
Intelligent series integrate remote control, timed switching and load monitoring, supporting WiFi/4G/NB-IoT communication, with indoor coverage of 100 meters and outdoor coverage of 300 meters
Built-in multi-parameter sensors (temperature, vibration, electrical parameters, mechanical status), with intelligent diagnosis accuracy of over 95%
Convenient Modular Design:
Standard 35mm DIN rail mounting, occupying small space and facilitating quick replacement
Auxiliary contacts, mechanical interlocks and other modules can be flexibly added without replacing the whole unit, reducing expansion costs
“Hot-swappable” design (for some high-end series), allowing maintenance without power off and improving system continuity
- Cost-Effectiveness Advantage
High-end Domestic Quality:
Compared with products of the same performance from international brands (شنايدر, ايه بي بي), the price is 30-50% lower while maintaining similar quality
Cost advantages brought by large-scale production, leading the industry in cost-effectiveness, suitable for budget-sensitive projects
Long-term Return on Investment:
Ultra-long service life design reduces replacement frequency, lowering the comprehensive life cycle cost by more than 40%
Energy-saving features significantly reduce long-term operating electricity costs, especially suitable for equipment running continuously for 24 hours
One-stop Solution:
Provides full life cycle services from selection and installation to maintenance, with technical teams on standby for support at any time
Free provision of product information, technical consultation and on-site guidance, lowering the technical threshold for customers
سابعا. Market Leadership Position
Industry Leadership:
The market share of three-pole AC contactors reaches 28.7%, ranking first in the industry for five consecutive years, with annual sales exceeding 10 million units
The market share in China’s low-voltage electrical appliance market is about 15.5%, second only to Schneider, ranking first among domestic brands
Full Industrial Chain Advantage:
A complete industrial chain from components to complete sets of equipment ensures product consistency and supply stability
Strong R&D investment, building a multi-dimensional technological innovation system, and continuously launching new products that meet market demands
With safe and reliable design, excellent performance, strong environmental adaptability, advantages of intelligence and modularity, high cost-effectiveness and perfect service system, Chint contactors have become one of the preferred brands in the field of industrial control at home and abroad. Choosing Chint not only ensures high-quality products, but also provides long-term stable operation guarantee and comprehensive technical support, making it an ideal choice for industrial electrical control systems.
