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Schneider Electric NSX100F is a type of molded case circuit breaker (MCCB) belonging to the NSX series, suitable for industrial power distribution protection and other fields. Below is its detailed introduction:
– Model Significance: “NSX” represents the brand code of Schneider Electric’s NSX series; “100” indicates a frame current of 100A; “F” denotes a breaking capacity of 36kA.
– Appearance and Structure: It features a black housing and a green operating handle. With a compact overall design and fully modular structure, it facilitates easy installation and maintenance.
– Main Parameters
Frame Current: 100A
Breaking Capacity: 36kA
Pole Number: Multiple options available including 3P and 4P
Trip Unit Type: Common types include thermomagnetic (TMD) and magnetic (MA)
Wiring Method: Generally front-panel wiring
Mounting Method: Fixed type
– Functional Features
Protection Function: The thermomagnetic trip unit provides overload and short-circuit protection, while the magnetic trip unit mainly offers short-circuit protection, effectively safeguarding the safety of circuits and equipment.
Diverse Operation Methods: It can be operated via toggle handle, rotary handle, or extended rotary handle. It can also be equipped with an electric operating mechanism for remote control.
– Application Scope: Suitable for AC power lines with a voltage of 690V and a frequency of 50-60Hz. It can be used for power distribution protection, motor protection, etc., and is widely applied in industries, energy and infrastructure, commercial and industrial buildings, residential buildings, data centers and other fields.
Differences Between Schneider Electric NSX100F and NSX160F
Basic Parameter Comparison
| Parameter | NSX100F | NSX160F | Difference Description |
| Frame Current | 100A | 160A | Different maximum current-carrying capacities |
| Breaking Capacity | 36kA (Class F) | 36kA (Class F) | “F” indicates the same breaking rating |
| Rated Current Range | 16A~100A | 16A~160A | NSX160F can cover larger current loads |
| Pole Number | 3P, 4P | 3P, 4P | Same; three-phase or three-phase four-wire options available |
| Rated Voltage | 690V AC | 690V AC | Same; applicable to standard industrial power distribution |
| Insulation Voltage | 800V AC | 800V AC | Same; consistent electrical isolation performance |
Physical Characteristic Differences
| Characteristic | NSX100F | NSX160F | Impact |
| Width | 105mm | 140mm | NSX160F occupies more switchgear space |
| Height | 161mm | 161mm | Same; no impact on vertical installation |
| Depth | 86mm | 86mm | Same; no impact on panel thickness |
| Weight | Approximately 1.93kg | Approximately 1.86kg | Similar weight; equivalent installation convenience |
Functional and Application Differences
- Core Differences:
NSX100F: Suitable for protecting load circuits with a maximum current of 100A or below, such as small motors, lighting distribution, and small distribution boxes.
NSX160F: Suitable for protecting load circuits with a maximum current of 160A, ideal for medium-sized motors, high-power equipment, and main distribution boxes.
- Trip Unit Compatibility:
– Both support thermomagnetic (TMD) and electronic (Micrologic) trip units.
– They share the same tripping characteristics and provide overload and short-circuit protection.
- Application Scenario Comparison:
NSX100F: Suitable for small industrial equipment, branch circuits in commercial buildings, and main distribution boxes in residential buildings.
NSX160F: Suitable for medium-sized industrial machinery, floor distribution boxes, small production lines, and scenarios requiring larger current capacity.
Selection Recommendations
– Choose NSX100F: When the maximum circuit current is ≤ 100A and switchgear space saving is required.
– Choose NSX160F: When the maximum circuit current is ≤ 160A, especially for current ranges between 100A and 160A.
Summary: Both NSX100F and NSX160F belong to Schneider Electric’s NSX series, with similar core technologies and functions. The key differences lie in frame current (100A vs 160A) and physical dimensions (width). The selection should be determined based on the actual load current and switchgear space.
