Industrial BU9998-SL9 135A 600 V Circuit Breaker

Built for rugged industrial environments, the Industrial BU9998-SL9 135A 600 V Circuit Breaker delivers reliable overcurrent protection for feeders and distribution circuits at up to 600 V. With a precise 135 A current rating, this device helps safeguard wiring and equipment from fault currents while enabling quick restoration after a trip.

Key specifications

• Current rating: 135 A
• Voltage rating: 600 V
• Part number: BU9998-SL9
• Product type: Industrial circuit breaker

What sets the BU9998-SL9 apart

This breaker is purpose-built for industrial control environments where reliability and predictability matter. The BU9998-SL9 provides definitive interruption at the 135 A level, compatible with standard industrial distribution networks up to 600 V. Its design emphasizes durability and straightforward replacement in demanding settings, helping maintain uptime in manufacturing floors, process lines, and heavy equipment installations.

Ideal use cases

• Distribution panels that feed machinery and manufacturing lines
• Motor control circuits requiring dependable 135 A protection
• Industrial control panels and switchgear where a robust 600 V rating is necessary
• Mid-range feeders within critical electrical assemblies in plant environments

Why this matters for your operation

Choosing the BU9998-SL9 means aligning protection with typical industrial voltage and current profiles without overcomplicating maintenance. It helps prevent insulation stress by reliably interrupting fault currents and supports quicker recovery after trips. The part-specific designation (BU9998-SL9) also simplifies inventory management, ensuring you source the exact replacement when needed.

Practical installation and maintenance tips

• Confirm panel compatibility and mounting requirements to ensure a secure, reliable electrical connection.
• Match the circuit’s continuous current and fault-current levels to the 135 A rating for optimal protection.
• Follow standard lockout/tagout procedures during installation or service to maintain safe working conditions.
• Keep a spare BU9998-SL9 on hand for rapid swaps during preventive maintenance or fault resolution.