OEM 63A DC MCB for Photovoltaic & Battery Storage Applications

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: WL7N-63
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Fixed
• Structure: MCB
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: VDE, ISO9001-2000, CE, CB, CCC
• Rated Insulation Voltage (Ui): 1250V
• Rated Service Voltage (Ue): 15V-1200V
• Rated Current (in): 6A-63A
• Short-Circuit Breaking Capacity (Ics = I: 6ka
• Mechanical Life: 8500 Operations
• Electrical Life: 1500
• Trip Characteristics: B / C Type
• Ingress Protection: IP40 (Body); IP20 (Terminal)
• Ambient Temperature Range (Service): -30ºC ~ 70ºC
• Standards Compliance: IEC 60947-2 GB/T 14048.2
• Transport Package: Customized Box
• Specification: L7
• Trademark: Wellsdiy
• Origin: Zhejiang
• HS Code: 85362000
• Production Capacity: 5000 PCS/Day

Product Description

DC Miniature Circuit Breaker 2P 63A 1000V for Solar PV System

All-in-One Protection You Can Trust - A Comprehensive Solution for Unmatched Security.

Key Features of the DC Miniature Circuit Breaker:

• Integrated Protection Functions: Offers both short-circuit and overload protection for enhanced safety.High Breaking Capacity: Rated breaking capacity up to 6kA, ensuring reliable disconnection in fault conditions.

• Polarity-Free Connection: No distinction between positive and negative poles-supports reverse wiring, simplifying installation.

• Rated Current up to 63A: Stable performance across various current ranges.

• Extra-Wide Contact Gap (>9mm): Fast arc quenching with secure isolation.

• Labyrinth Arc Chamber: Enhances arc suppression and improves breaking performance.

• Magnetic Blowout Design: U-shaped magnetic structure for better arc movement and extinguishing.
   

• 7-Point Riveted Terminals: Strengthened connection points for stable and reliable wiring.

• Busbar Compatibility: Supports busbar wiring for neater and more efficient electrical connections.

• Modern & Functional Design: A unique, practical appearance that reflects professional-grade quality.

• Complete Accessory Set: Fully compatible with DC photovoltaic and energy storage systems.

Item	Specification
Rated Insulation Voltage (Ui)	1250V
Rated Operational Voltage (Ue)	DC(1P): 15V / 60V / 100V / 180V / 250VDC(2P): 125V / 375V / 550V / 600V / 800VDC(3P): 750V / 800VDC(4P): 800V / 1000V / 1200V
Rated Current (In)	6A / 10A / 16A / 20A / 25A / 32A / 40A / 50A / 63A
Frame Current	63A
Breaking Capacity (Ics = Icu)	6kA (2P 800V / 4P 1200V: 2kA)
Trip Curve Type	B / C
Mechanical Life	8500 operations
Electrical Life	1500 times (< DC125V/1P, < DC250V/2P); 1000 times (other voltages)
Impulse Withstand Voltage (Uimp)	6kV
Overvoltage Category	III
Pollution Degree	3
Protection Degree	IP40 (device body), IP20 (terminals)
Humidity Resistance	Class 2 / ≤95% RH
Shock & Vibration Resistance	IEC60068-2-6 / IEC60068-2-27
Ambient Operating Temperature	-30°C ~ +70°C
Storage Temperature	-40°C ~ +85°C
Altitude Limit	≤2000m
Installation	DIN rail 35mm
Accessories	OF, ISD, MX, MN, MX+OF
MX Control Voltage	DC: 12V / 24V / 220V; AC: 110V / 220V / 380V (≥75W recommended)
MN Rated Voltage	AC220V / AC380V
Unit Weight	0.12 kg/piece
Certifications	IEC 60947-2 / GB/T 14048.2

Why Choose Us? - Discover the Unmatched Advantages

• Accelerated Installations

• Enhanced Safety Measures

• Extended Product Lifespan

• Innovatively Intelligent Structure

• Sophisticated, Professional Aesthetic

Perfectly Suited For:

• Photovoltaic Installation Projects

• Off-Grid Solar System Implementations

• Energy Storage Unit Management

• DC Power Distribution Panels