ABB S802PV-S10 Circuit Breaker

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1. Product Overview

ABB S802PV-S10 Circuit Breaker is a DC miniature circuit breaker from the ABB S800PV series, specifically designed for photovoltaic (PV) DC systems. It provides reliable protection against overloads and short circuits in DC circuits. With high DC breaking capacity and robust performance, it is well suited for demanding renewable energy applications.

2. Technical Specifications

• Model: S802PV-S10

• Product Type: DC Miniature Circuit Breaker (MCB)

• Series: S800PV

• Number of Poles: 2P

• Rated Current (In): 10 A

• Tripping Characteristic: S Curve (PV-specific)

• Rated Operating Voltage (Ue):

  • DC: up to 1000 V (depending on configuration)

• Rated Insulation Voltage (Ui): 1000 V DC

• Rated Impulse Withstand Voltage (Uimp): 8 kV

• Rated Breaking Capacity:

  • DC: up to 10 kA (depending on system voltage and configuration)

• Rated Frequency: DC

• Mounting Method: 35 mm DIN rail mounting

• Connection Method: Screw terminals

• Conductor Size:

  • Up to 35 mm² (depending on conductor type)

• Operating Temperature: -40 ℃ to +70 ℃

• Degree of Protection:

  • Terminal protection: IP20

• Housing Material: Flame-retardant engineering plastic

• Standards Compliance: IEC / EN standards for PV and low-voltage switchgear

3. Advantages and Features

1. Designed for PV DC Applications
   S-curve tripping characteristic optimized for photovoltaic DC circuits.

2. High DC Breaking Capacity
   Safely interrupts fault currents under high DC voltage conditions.

3. Wide Voltage Range
   Suitable for PV systems up to 1000 V DC.

4. High Reliability and Durability
   Stable operation in high-temperature and long-term service environments.

5. Standardized Installation
   35 mm DIN rail mounting allows easy integration into PV combiner boxes and panels.

6. International Standards Compliance
   Complies with IEC / EN standards for global PV projects.

4. Typical Applications

• Photovoltaic (PV) power generation systems

• PV combiner boxes

• DC distribution panels

• DC-side protection of solar inverters

• Renewable energy and new energy projects

• Commercial, industrial, and utility-scale solar plants

5. Installation and Usage Notes

1. Verify system voltage and current ratings before installation.

2. Install according to ABB recommended polarity and wiring configuration.

3. Always disconnect DC power before wiring.

4. Ensure terminals are properly tightened to prevent overheating.

5. Do not operate continuously beyond the rated current or breaking capacity.