Suntree 400A 1500V DC MCCB 2 Pole SM8 400HPV

Description

Overview

The Suntree 400A 1500V DC MCCB 2 Pole (Model: SM8 400HPV 1500V 2P) is a high capacity molded case circuit breaker designed for photovoltaic power systems, battery storage protection circuits, and large scale DC distribution installations. It protects equipment from overload current and short circuit faults while improving safety across high voltage solar environments.

Key Protection Features

• Protects against overload current and short circuit faults

• Improves safety across high voltage solar environments

• Reduces equipment damage risk

• Ensures stable operation across large DC systems

1500V DC Rating for Utility Scale Systems

This Suntree 400A 1500V DC MCCB 2 Pole supports systems operating up to 1500V DC, making it suitable for:

• Utility scale solar plants

• Hybrid inverter battery banks

• Combiner panel protection

2 Pole Configuration

The 2-pole configuration allows isolation of both positive and negative conductors 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:

• Reduce equipment damage risk

• Ensure stable operation across large DC systems

Arc Extinguishing Technology

The internal arc extinguishing structure:

• Improves switching safety

• Prevents arc spread during fault interruption

Built for High Temperature Solar Installations

• Flame retardant insulation material

• Reliable performance in high temperature environments

• Wide operating temperature range: -40°C to +70°C

Expandable with Accessories

Supports accessory integration for monitoring and control expansion:

• Shunt trip modules

• Alarm contacts

• Auxiliary contacts

Ideal Applications

This MCCB is ideal for protecting:

• Inverter DC input lines

• Battery storage circuits

• Combiner boxes

• Large photovoltaic distribution panels requiring high voltage protection

  Technical Specifications

  Specification	Details
  Brand	Suntree
  Model	SM8 400HPV 1500V 2P
  Rated Current (In)	400A
  Rated Voltage (Ue)	1500V DC
  Number of Poles	2 Pole (Positive + Negative)
  Rated Insulation Voltage (Ui)	1500V
  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)
  Operating Temperature Range	-40°C to +70°C
  Installation Mode	Panel mounted, fixed installation
  Housing Material	Flame retardant insulation material
  Arc Extinguishing	Internal arc extinguishing structure
  Accessories Supported	Shunt trip, Alarm contacts, Auxiliary contacts
  Application Areas	Solar PV combiner boxes, Battery storage protection, Hybrid inverter DC input protection, Utility scale solar installations, Energy storage distribution panels