Technical Parameters Category Specification Product Model NZM2-XHB-DA-NA Product Family Eaton NZM2 Digital Accessories Device Type Digital Trip Unit with Communication Rated Current Configurable based on breaker size Rated Voltage 690V AC max Communication Protocol Modbus, Profibus DP (configurable) Power Supply Self-powered from current transformers Standards Compliance IEC 60947-2, UL 1066, CE Operating Temperature -25°C to +70°C Protection Degree IP20 (when installed in breaker)