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- NINT-71C
- Main Circuit Interface Board
- Sweden
- 250 × 320 × 180 mm
- 8.5kg
- 64513583
- Xiamen, China
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ABB NINT-71C (64513583) Technical Profile, Applications, and Recommendations
Product Overview
The ABB NINT-71C (Product code: 64513583) is a high-performance, industrial-grade intelligent switch-disconnector designed for medium-voltage electrical systems. This device combines precise electrical control with advanced safety features to ensure reliable operation in industrial, commercial, and utility applications.
It is engineered to provide seamless integration into automated control systems, offering high operational flexibility, excellent mechanical durability, and efficient thermal performance. Its compact design enables installation in tight spaces without compromising performance.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | NINT-71C |
| Rated Voltage | 400–690 V AC |
| Rated Current | 71 A |
| Short-Circuit Breaking Capacity | 25 kA |
| Control Type | Motorized and manual |
| Communication Protocol | Modbus RTU / Profibus (optional) |
| Insulation Class | Class F |
| Mechanical Life | 20,000 operations |
| Electrical Life | 10,000 operations |
| Operating Temperature | -25°C to +70°C |
| Protection Degree | IP65 |
| Mounting Type | Panel or wall-mounted |
| Dimensions (W×H×D) | 250 × 320 × 180 mm |
| Weight | 8.5 kg |
| Material | High-strength polycarbonate and steel |
Product Applications
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Industrial factories for motor and machinery protection
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Commercial buildings for distribution panel safety
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Power plants and substations for load management
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Renewable energy installations (solar and wind power systems)
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Automation and smart grid applications
Product Advantages
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Compact and lightweight, suitable for retrofitting
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High short-circuit breaking capacity for industrial loads
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Multi-functional control options including remote operation
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High IP protection ensures reliable operation in harsh environments
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Modular design for easy maintenance and upgrades
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Low energy loss due to optimized contact system
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Long mechanical and electrical lifetime for reduced downtime
Brand and Series Information
| Parameter | Description |
|---|---|
| Brand | ABB |
| Series | NINT Intelligent Switch-Disconnector Series |
Recommended Related Models (Same Series / Related)
| Model | Rated Current (A) | Rated Voltage (V) | Short-Circuit Breaking Capacity (kA) | Weight (kg) |
|---|---|---|---|---|
| NINT-50B | 50 | 400–690 | 20 | 7.2 |
| NINT-100C | 100 | 400–690 | 25 | 10.1 |
| NINT-125C | 125 | 400–690 | 25 | 11.3 |
| NINT-71B | 71 | 400–690 | 20 | 8.2 |
| NINT-90C | 90 | 400–690 | 25 | 9.0 |
Recommended Popular Models (Same Brand, ABB)
| Model | Rated Current (A) | Rated Voltage (V) | Short-Circuit Breaking Capacity (kA) | Weight (kg) |
|---|---|---|---|---|
| TMAX XT1 | 63 | 690 | 36 | 6.5 |
| Emax 2 1600 | 1600 | 690 | 100 | 110 |
| SACE Emax 2 630 | 630 | 690 | 85 | 62 |
| N1H-400 | 400 | 690 | 50 | 40 |
| OTD-1250 | 1250 | 690 | 100 | 95 |
FAQ (NINT-71C)
Q1: What is the primary function of the NINT-71C?
A1: It serves as an intelligent switch-disconnector to control and protect electrical circuits by interrupting overload and short-circuit currents.
Q2: Can the NINT-71C be operated remotely?
A2: Yes, it supports motorized control and optional communication protocols for remote operation.
Q3: What is the expected lifetime of the device?
A3: Mechanical life is approximately 20,000 operations, and electrical life is around 10,000 operations under rated conditions.
Q4: What environmental conditions can the device handle?
A4: It operates reliably in temperatures from -25°C to +70°C and offers IP65 protection against dust and water ingress.
Q5: Is the NINT-71C suitable for industrial automation?
A5: Yes, its modular design and communication capabilities make it suitable for automated control systems.
Q6: How does the NINT-71C handle short-circuits?
A6: It has a breaking capacity of 25 kA, ensuring safe interruption of high fault currents.
Q7: What is the weight and size of the NINT-71C?
A7: It weighs 8.5 kg and measures 250 × 320 × 180 mm, making it compact for installation.
Q8: Can the NINT-71C be mounted in panels?
A8: Yes, it supports both panel and wall-mounted installation.
Q9: Is maintenance complex for this device?
A9: No, the modular design allows for easy access and replacement of components.
Q10: What makes the NINT-71C different from other switch-disconnectors?
A10: Its combination of compact size, high breaking capacity, remote control capability, and robust mechanical life distinguishes it from conventional models.