NOARK B1D Series DC Miniature Circuit Breakers
B1D series DC Miniature Circuit Breakers (MCB) are UL 489 compliant and specifically designed for solar and battery applications. Available in 1-pole and 2-pole configurations with C-curve and D-curve trip characteristics.
B1D Series Overview
NOARK B1D series MCBs provide essential protection for DC circuits in solar and battery applications. These circuit breakers are specifically designed to handle the unique characteristics of DC power systems and meet UL 489 standards for safety and reliability.
Key Features
- DC Optimized Design: Specifically engineered for DC applications with higher interrupting ratings
- Multiple Configurations: Available in 1-pole (125Vdc) and 2-pole (250Vdc) versions
- Various Current Ratings: Options from 0.5A to 63A to match specific circuit requirements
- Trip Curves: C-curve for standard applications and D-curve for high inrush current scenarios
- Connection Options: Box lug terminals for standard installations and ring tongue terminals for special applications
- DIN Rail Mounting: Easy installation on standard 35mm DIN rails
- UL 489 Compliant: Meets strict safety standards for circuit protection
Applications
- Solar PV Systems: DC circuit protection for photovoltaic arrays and combiners
- Battery Energy Storage: Protection for battery banks and charging systems
- DC Power Distribution: Circuit protection for DC power distribution panels
- Telecommunications: Protection for DC-powered telecommunications equipment
- Electric Vehicle Charging: DC circuit protection for EV charging infrastructure
B1D2D8 - 8A 2-poles (2P) D-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 2-poles (2P) - 8A - D-curve - 250Vdc...
B1D1C0.5 - 0.5A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 0.5A - C-curve - 125Vd...
B1D1C1 - 1A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 1A - C-curve - 125Vdc ...
B1D1C1.6 - 1.6A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 1.6A - C-curve - 125Vd...
B1D1C10 - 10A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 10A - C-curve - 125Vdc...
B1D1C13 - 13A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 13A - C-curve - 125Vdc...
B1D1C15 - 15A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 15A - C-curve - 125Vdc...
B1D1C16 - 16A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 16A - C-curve - 125Vdc...
B1D1C16R - 16A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 16A - C-curve - 125Vdc...
B1D1C2 - 2A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 2A - C-curve - 125Vdc ...
B1D1C20 - 20A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 20A - C-curve - 125Vdc...
B1D1C25 - 25A 1-pole (1P) C-curve MCB
Miniature Circuit Breaker (MCB) - UL 489 - NOARK (B1D series) - 1-pole (1P) - 25A - C-curve - 125Vdc...
Technical Information
| Specification | 1-Pole | 2-Pole |
|---|---|---|
| Rated Voltage | 125Vdc | 250Vdc |
| Rated Current Range | 0.5A - 63A | 0.5A - 63A |
| Interrupting Rating | 10kA @ 125Vdc | 10kA @ 250Vdc |
| Trip Characteristics | C-curve, D-curve | C-curve, D-curve |
| Connection Type | Box lug, Ring tongue | Box lug |
| Standard | UL 489, IEC 60947-2 | UL 489, IEC 60947-2 |
| Mounting | 35mm DIN rail | 35mm DIN rail |
Need Assistance?
Our product specialists can help you select the right NOARK B1D circuit breaker for your specific DC application requirements.