Suntree 400A 1500V DC MCCB 4 Pole Solar Circuit Breaker

Description

Overview

The Suntree 400A 1500V DC MCCB 4 Pole (Model: SUNDCMCCB400A 1500V 4P) is a high capacity molded case circuit breaker designed for advanced photovoltaic systems, battery energy storage installations, and large scale DC distribution networks. It protects cables, inverter inputs, and battery circuits from overload current and short circuit faults in high voltage solar environments.

Key Protection Features

• Protects cables, inverter inputs, and battery circuits

• Handles overload current and short circuit faults

• Prevents equipment damage

• Improves operational reliability across large photovoltaic systems

1500V DC Rating for Utility Scale Systems

This DC MCCB supports systems operating up to 1500V DC, making it suitable for:

• Utility scale solar plants

• Hybrid inverter battery banks

• Photovoltaic combiner panel protection

4 Pole Configuration for Full Isolation

The 4-pole configuration provides full isolation across multiple DC conductors, which improves safety during:

• Maintenance procedures

• Fault conditions

Thermal Magnetic Trip Mechanism

The breaker uses a thermal magnetic trip mechanism that responds rapidly to abnormal current conditions, helping to:

• Prevent equipment damage

• Improve operational reliability across large photovoltaic systems

Advanced Arc Extinguishing Technology

Its advanced arc extinguishing chamber structure:

• Improves switching safety

• Supports stable interruption performance during high voltage DC fault conditions

Built for Demanding Solar Installations

• Flame retardant insulation material

• Reliable performance in demanding outdoor and indoor solar installations

• IP20 terminal protection

Expandable with Accessories

Supports accessory expansion for monitoring and remote control integration:

• Shunt trip modules

• Auxiliary contacts

• Alarm contacts

Ideal Applications

This MCCB is ideal for protecting:

• Solar combiner panels

• Inverter DC input circuits

• Battery storage distribution systems

• High voltage DC feeders in energy storage installations

  Technical Specifications

  Specification	Details
  Brand	Suntree
  Model	SUNDCMCCB400A 1500V 4P
  Rated Current (In)	400A
  Rated Voltage (Ue)	1500V DC
  Number of Poles	4 Pole
  Rated Insulation Voltage (Ui)	1500V DC
  Rated Impulse Withstand Voltage (Uimp)	12kV
  Breaking Capacity (Icu)	Up to 20kA at 1500V DC
  Trip Mechanism	Thermal magnetic protection
  Mechanical Life	15,000 operations
  Electrical Life	1,000 operations
  Standards Compliance	IEC 60947-2
  Ingress Protection (IP)	IP20 (terminals)
  Installation Mode	Panel mounted, fixed installation
  Housing Material	Flame retardant insulation material
  Arc Extinguishing	Advanced arc extinguishing chamber
  Accessories Supported	Shunt trip, Auxiliary contacts, Alarm contacts
  Application Areas	Solar PV combiner panels, Battery energy storage protection, Hybrid inverter DC input protection, Utility scale photovoltaic installations, High voltage DC distribution panels