A-B 140U-H-OSB Circuit Breaker Accessory for Industrial Control Systems
This circuit breaker accessory is designed for industrial control applications, enhancing safety and efficiency by integrating seamlessly with A-B’s 140 series circuit breakers. It ensures reliable operation in various industrial environments.
Manufacturer:Rockwell Automation
Model:140U-H-OSB
Type:Circuit Breaker Accessory
Rated Voltage:Up to 690V
Rated Current:Up to 1600A
Protection Rating:IP66
Operating Temperature:-25°C to 70°C
Material:Stainless Steel
Engineered for maximum safety, the A-B 140U-H-OSB Circuit Breaker Accessory provides a reliable solution to safeguard against overloads and short circuits in high-demand environments.
Crafted from high-temperature plastic, this accessory ensures durability even in harsh conditions, protecting your investment in electrical infrastructure.
With a wide voltage and current rating range, this accessory is versatile enough to meet the needs of various industrial applications, making it an essential component for any electrical system.
The IP65 protection rating means this accessory is dust-tight and protected against water jets, ensuring it can withstand tough environmental challenges.
Designed for easy installation, this circuit breaker accessory can be mounted quickly using the panel mount method, minimizing downtime and reducing maintenance costs.



















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