Siemens | EH2B020 | Circuit Breaker | 20A | 2-Pole | 480V | 14kA | Bolt-On

Siemens EH2B020 Circuit Breaker — a dependable, bolt-on two-pole solution rated for 20 A, designed for 480 V systems with a robust 14 kA interrupting capacity. Built for maintenance, retrofit, and replacement projects, this breaker keeps critical electrical circuits protected while you modernize or repair panels.

When you’re upgrading or repairing an industrial or commercial electrical installation, precision matters. The EH2B020 delivers reliable trip performance and secure, durable operation in demanding environments. Its bolt-on mounting provides a solid, drop-in fit for compatible panels, helping you minimize downtime during service and ensure consistent fault isolation.

Key specifications at a glance

• Amperage: 20 A
• Poles: 2-Pole
• Voltage rating: 480 V
• Interrupting capacity: 14 kA
• Mounting: Bolt-On
• Part number: EH2B020 (best reference for compatibility)

Why this Siemens breaker stands out

What makes the EH2B020 compelling is its practical balance of protection and ease of service. The two-pole design protects paired conductors and supports coordinated shutdowns for safer maintenance. The 480 V rating covers many commercial and industrial applications, while the 14 kA interrupting capacity provides a generous margin for fault current in typical panel configurations. The bolt-on format accelerates installation and reduces misalignment concerns, helping technicians complete replacements with confidence.

Ideal use cases

• Maintenance replacements in existing Siemens or compatible panels that accept bolt-on breakers
• Retrofit projects where higher protection or updated specs are required for two-pole circuits
• Emergency replacements to restore service quickly after a fault or trip event

Installation and compatibility tips

Before ordering, verify fit and ratings for your specific panel. The EH2B020 is identified by its part number, which is the most reliable reference for compatibility. When installing, ensure the panel supports bolt-on breakers of this specification and follow the manufacturer’s torque and mounting guidelines to secure connections and maintain safe operation.

Designed for professionals who demand reliability and precise protection, the Siemens EH2B020 delivers consistent performance for critical circuits while simplifying retrofit and replacement workflows. If the project requires a proven 20 A, 2-Pole, 480 V bolt-on breaker with a solid 14 kA interrupting capacity, this model is a clear-fit option.