Technical Specifications) Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number LZMB1 Product Line NZM Device Type Electronic Trip Unit Rated Supply Voltage Typically powered by the current transformers within the breaker (self-powered) or with an auxiliary power supply option. Protection Functions L - Long-time Delay (Overload) S - Short-time Delay I - Instantaneous G - Ground-fault Adjustability Yes. Current settings (Ir, Isd, Ii, Ig) and time delays (tr, tsd) are fully adjustable via dials or an interface. Display & Indication Typically an LCD or LED display for current, status, and fault information. Communication Ready Often designed to be the base unit for adding communication modules (e.g., for Profibus, Modbus, Ethernet/IP). Compatible Breaker Frame Sizes Designed for specific NZM frame sizes (e.g., NZM2, NZM3, NZM4). 必须与断路器本体匹配。 Standards Compliance As part of the complete breaker, it helps comply with IEC 60947-2 and other relevant standards.
