The Hager NDN150A is a 50A single-pole miniature circuit breaker (MCB) featuring a Type D tripping curve and a 10kA breaking capacity. It is specifically designed for commercial and industrial applications with high inrush currents, such as large motors or transformers.
Technical Specifications
Tripping Curve: Type D, which trips between 10 to 20 times the full load current.
Current & Voltage: Rated for 50A at 230/400V AC.
Breaking Capacity: 10kA (per IEC 60898-1) and 15kA (per IEC 60947-2).
Dimensions: Standard 1-module width (17.5mm) with a built-in depth of 70mm.
Terminal Capacity: Supports up to 25mm² flexible or 35mm² rigid conductors.
Durability: Rated for 20,000 mechanical cycles and 4,000 electrical endurance cycles.
Safety Features: Includes a green "OFF" mechanical indicator for clear isolation status.
| Type | MCB |
| Trip Type | Type D |
| Short Circuit Rating | 10 kA |
| Pole Configuration | SP |
| Current Rating | 50 A |
| Brand | Hager |