Siemens | JL2B200 | Circuit Breaker | 200A | 2-Pole | 600V | 35kA | Bolt-On

The Siemens JL2B200 circuit breaker is a rugged 200A, 2-pole protector designed for demanding electrical environments where reliable short-circuit protection and swift disconnection are essential. With its bolt-on mounting, this unit delivers a secure, firmware-resistant connection that stands up to vibration, temperature swings, and routine panel maintenance.

• Amperage: 200A
• Poles: 2-Pole
• Voltage rating: 600V
• Interrupting capacity: 35kA
• Mounting: Bolt-On

Why the JL2B200 stands out

When you need dependable protection for feeders and main circuits, the JL2B200 offers a robust, field-retrofitable solution that aligns with Siemens panel architectures. The bolt-on design provides a solid mechanical interface, reducing the risk of loose connections over time. Its 35kA interrupting rating gives you a generous margin for fault events, helping to minimize equipment damage and downtime in critical applications.

Installation and compatibility essentials

Designed to be installed in compatible Siemens panels and assemblies, the JL2B200 prioritizes a straightforward retrofit or replacement path. To ensure correct operation, always confirm fit and ratings before ordering. The part number is the best reference for compatibility, so use JL2B200 to verify that this breaker matches your enclosure, bus configuration, and protection requirements.

Ideal use cases and scenarios

• Maintenance and retrofit projects where existing panels require a reliable 200A, 2-pole protection component
• Replacement of aging breakers in commercial or light industrial electrical rooms
• New installations that demand a bolt-on, secure mounting with substantial interrupting capacity
• Panels that require fast field service without altering bus bar connections or enclosure integrity

Practical considerations for best results

Think through the signal path and protection strategy: using a 200A two-pole device like the JL2B200 provides synchronized disconnection of both conductors, helping to reduce arc exposure and enhance personnel safety. The 600V rating covers a wide range of industrial and commercial circuits, offering flexible protection for equipment, motors, and feeders.

In short, the Siemens JL2B200 bolt-on circuit breaker is a durable, high-capacity solution built for dependable protection and straightforward field service. For best results, rely on the part number as your compatibility guide and verify fit and ratings prior to purchase.