CBI Electric DC Solar Battery Isolator 100A in IP67 Enclosure - QSBS100

Overview

The CBI Electric QSBS100 2-Pole 100A 80Vdc MCB is a high-performance DC miniature circuit breaker specifically engineered for battery storage and solar energy applications. Using advanced hydraulic magnetic technology, it delivers consistent protection and safe isolation of DC circuits under demanding operating conditions.

Housed in a rugged IP67 and UV-rated enclosure, the QSBS100 is ideal for indoor or outdoor battery installations. With both poles integrated into a single enclosure and a pad-lockable isolation mechanism, it sets a new benchmark for safety, reliability, and ease of installation in renewable energy systems.

Key Features

Battery Protection & Switching

• Designed for DC battery and solar circuit protection
• Provides safe disconnection and isolation of battery strings
• Suitable for use as a main battery isolation device

Hydraulic Magnetic Technology

• Temperature-stable tripping performance
• Reliable operation across a wide temperature range
• Ideal for demanding renewable energy environments

Electrical Performance

• Rated current: 100 A
• Rated DC voltage: 80 V DC
• Rated breaking capacity (Icu): 10 kA
• 2-pole configuration with both poles in one enclosure

Installation & Mounting

• Dual mounting options – DIN rail or mini rail
• Compact enclosure simplifies system layout
• Pad-lockable lockdog for maintenance safety

Rugged Environmental Design

• IP67 rated enclosure for dust and water ingress protection
• UV-rated for long-term outdoor exposure
• Operating temperature range: -40°C to 85°C