Siemens HE3B020 Circuit Breaker

Siemens HE3B020 NSFB circuit breaker provides 20 A overcurrent protection for industrial electrical protection systems, commonly installed in motor control centers, switchgear panels, and power distribution boards. The Manufacturer Part Number (MPN) is HE3B020, and this non-switching fuse breaker (NSFB) supports 3-pole or 4-pole configurations and voltages up to 480 V AC. It mounts on panels or DIN rails, offers IP20 protection, and is IEC and UL certified; it operates from -20°C to +60°C, making it suitable for manufacturing facilities, commercial buildings, HVAC systems, and machinery installations requiring dependable circuit interruption. Common replacements include Siemens HE3B025, Square D HFD32020, and Eaton BL32020.