Siemens MBK150 BREAKER 150A 4P 120/240V

Siemens MBK150 150A Main Breaker Kit, 4-Pole, 120/240V

The Siemens MBK150 is a 150A main breaker conversion kit for Siemens EQ-series load centers, used to add or upgrade main disconnect protection at the service entrance or a subpanel. As a 4-pole main breaker kit, it provides the disconnect and overcurrent protection needed when converting a main-lug-only panel to a main breaker panel.

Specifications

• Amperage: 150A
• Poles: 4
• Voltage: 120/240V
• Panel compatibility: Siemens EQ-series load centers
• Application: Main breaker conversion kit

Who it’s for

Licensed electricians upgrading or converting a Siemens EQ load center to main-breaker configuration at 150A. Confirm exact panel model compatibility before ordering, as main breaker kits are panel-specific. Subject to availability — contact us for current lead times.