NB1-63DC – DC Circuit Breaker

⚙️ Technical Specifications

Model: NB1-63DC

Type: DC Miniature Circuit Breaker (MCB)

Brand: CHINT

Electrical

Rated Voltage:

250V DC (1P)

500V DC (2P)

1000V DC (4P)

Rated Current: 1A – 63A

Breaking Capacity: 6 kA

Tripping Curve: C (7–10 × In)

Impulse Voltage: 4 kV

Mechanical

Poles: 1P / 2P / 4P

Mechanical Life: 20,000 operations

Electrical Life: 1,500 operations

Installation

Mounting: DIN rail

Terminal Capacity: up to 25 mm²

Protection Degree: IP20

Environment

Temperature: −35°C to +70°C

Altitude: ≤2000 m