⭐ Product Overview
The NLM1-250L-3P Molded Case Circuit Breaker (MCCB) is a high-performance low-voltage protection device with a rated current of 250A and a three-pole design. It employs a highly reliable contact system and a heat-resistant housing material to ensure stable operation even in harsh industrial environments. Suitable for AC400V, 50Hz power distribution systems, it provides effective overload protection, short-circuit protection, and isolation functions.
️ Key Features
✔ Overload Protection
Effectively prevents temperature rise and damage to the circuit due to prolonged overload.
⚡ Short-Circuit Protection
High breaking capacity (Icu/Ics) enables rapid disconnection during short circuits, ensuring equipment safety.
Isolation Function
Provides clear opening and closing indicators for safe and reliable operation.
❄ High Thermal Resistance Materials
The housing is heat-resistant, fire-resistant, and impact-resistant, meeting the requirements of demanding industrial applications.
Standard Three-Pole Design
Suitable for three-phase power distribution systems, offering flexible installation.
Technical Data
Model: NLM1-250L-3P
Rated Current: 250A
Rated Insulation Voltage: Ui 800V
Rated Impulse Withstand Voltage: Uimp 8kV
Rated Operating Voltage: Ue AC400V
Frequency: 50Hz
Breaking Capacity: L/M/H Class
Standards: GB/T 14048.2, IEC 60947-2
Application Fields
Suitable for a wide range of industrial and commercial environments:
Industrial plant power distribution systems
Commercial buildings and computer rooms
Electrical switchgear (distribution cabinets/control cabinets)
Transportation infrastructure
Energy and power engineering projects
Product Advantages
✨ High breaking capacity, strong safety
✨ Compact structure, easy installation
✨ Durable materials, suitable for long-term operation
✨ Compatible with multiple electrical systems
✨ Reliable three-phase protection capability
The NLM1-250L-3P molded case circuit breaker is an important low-voltage switchgear suitable for industrial, commercial, and power systems. As a 250A three-pole MCCB, it not only boasts excellent protection performance but also superior environmental adaptability, making it suitable for distribution cabinets, equipment racks, mechanical equipment, and building electrical systems. Its high-reliability breaking capacity effectively prevents power distribution system shutdowns caused by overloads and short circuits, making it an indispensable and crucial protective component in modern power distribution systems.
