Wide Voltage Range for Diverse DC Applications (100-1000V) - Specially designed for solar PV systems, generators, and battery circuits (36-150V), providing reliable overload and short-circuit protection across various DC power scenarios, ensuring system safety and stability.
High-Current Protection with Premium Components (Up to 150A) - Features high-conductivity red copper conductors and durable silver composite contacts, delivering superior performance and extended service life for demanding DC power protection needs.
Innovative Non-Polarized Design for Flexible Installation - Unique bidirectional terminal design allows for versatile wiring configurations (upper or lower connections) without affecting protection performance, simplifying installation in complex DC systems.
Advanced DC Arc Extinguishing Technology - Incorporates a specialized arc suppression system that effectively interrupts high-voltage DC currents, significantly enhancing operational safety in photovoltaic and industrial DC applications.
Robust, Certified & Safe Construction - Constructed with high-strength, flame-retardant composite materials and compliant with both GB10963.2 and IEC60947-2 international standards, ensuring reliable protection and durability in harsh environments.
Product Overview
The DZ47Z series DC miniature circuit breakers are specifically designed for photovoltaic power systems, generator circuits, and battery systems, providing reliable overload and short-circuit protection. This series includes two models: DZ47Z-63H (max. 63A) and DZ47Z-125H (max. 150A), suitable for DC voltage environments ranging from 100V to 1000V. Featuring a non-polarized design, the upper and lower wiring terminals are interchangeable. The internal construction includes red copper conductors and composite silver contacts, along with a unique arc extinguishing system. The housing is made of highly flame-retardant special plastic, complying with GB10963.2 and IEC60947-2 standards.
Key Features
Non-Polarized Design: Interchangeable upper/lower and left/right wiring for flexible installation
Efficient Arc Extinguishing: Unique arc extinguishing system ensures rapid DC arc suppression
Durable Construction: Red copper conductors + composite silver contacts for extended service life
Wide Temperature Range: Stable operation in environments from -35°C to +70°C
Multiple Protections: Dual functionality for overload and short-circuit protection
Versatile Installation: Supports standard 35mm DIN rail mounting or panel bracket installation
Technical Parameter Comparison
| Parameter | DZ47Z-63H | DZ47Z-125H |
|---|---|---|
| Rated Current Range | 6A-63A | 80A-150A |
| Rated Voltage Range | DC100-250V/260-500V/510-1000V | Same as left |
| Rated Insulation Voltage | 1200V | 1200V |
| Rated Impulse Withstand Voltage | 6kV | 8kV |
| Breaking Capacity | 6kA | 8kA |
| Tripping Curve | C Curve (5In-10In) | C Curve (5In-10In) |
| Mechanical Life | 20,000 operations | 20,000 operations |
| Electrical Life | 6,000 operations | 6,000 operations |
| Wiring Capacity | Max. 25mm² (2.5N.m) | Max. 50mm² (3.5N.m) |
| Protection Rating | IP20 (direct installation)/>IP40 (inside distribution box) | Same as left |
Dimensions
DZ47Z-63H Dimensions
DZ47Z-63H Dimensions](placeholder for dimension diagram)
Width: 45mm
Height: 80.5mm
Depth: 66mm
DZ47Z-125H Dimensions
DZ47Z-125H Dimensions](placeholder for dimension diagram)
Width: 54mm
Height: 80.5mm
Depth: 77mm
Environmental Conditions
| Parameter | Requirement |
|---|---|
| Operating Temperature | -35°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | ≤95% (no condensation) |
| Mounting Inclination | ≤5° (relative to vertical plane) |
| Vibration Conditions | No significant vibration or shock |
| Pollution Degree | Level 2 |
Wiring Guide
Recommended Cable Cross-Section:
| Current Range | DZ47Z-63H Recommended | DZ47Z-125H Recommended |
|---|---|---|
| 1-6A | 1mm² | - |
| 10A | 1.5mm² | - |
| 16-20A | 2.5mm² | - |
| 25A | 4mm² | - |
| 32A | 6mm² | - |
| 40-50A | 10mm² | - |
| 63A | 16mm² | - |
| 80A | - | 25mm² |
| 100A | - | 35mm² |
| 125A | - | 35mm² |
| 150A | - | 50mm² |
Wiring Instructions:
Supports top or bottom feed wiring
L+ connects to the positive pole, L- to the negative pole
Breaker polarity is interchangeable without affecting protection performance
Optional Accessories
MX (Shunt Trip): Enables remote tripping of the breaker
OF (Auxiliary Contact): Provides switch status feedback
SD (Alarm Contact): Outputs fault alarm signals
Control Voltage Options: AC/DC 24V/110V/220V
Model Selection
Available in current ratings from 1A to 150A, covering three voltage levels: 100-250V, 260-500V, and 510-1000V. Custom current ratings available upon request.
Typical Applications:
DC-side protection in photovoltaic systems
Circuit protection for battery energy storage systems
Overload protection in DC distribution systems
Generator output line protection