TOMZN 1P 250VDC 300A 350A 400A Solar Molded Case Circuit Breaker MCCB Overload Protection Switch Protector Solar Photovoltaic PV

General

The TOMZN TOM7Z-400/1300 series is a high-performance 1-Pole DC Molded Case Circuit Breaker (MCCB) engineered specifically for heavy-duty direct current power systems. It provides reliable overcurrent and short-circuit protection for critical applications such as solar photovoltaic arrays, battery energy storage systems, and industrial DC distribution panels. Meeting the stringent international standard IEC/EN 60947-2, this compact yet robust breaker features a high breaking capacity of 85kA and operates efficiently at a rated voltage of DC 250V. It is available in three current ratings (300A, 350A, and 400A), making it a versatile and durable safety solution for demanding electrical environments.

Product Parameter

Brand: TOMZN
Model Series: TOM7Z-400/1300
Product Type: DC Molded Case Circuit Breaker (DC-MCCB)
Number of Poles: 1P
Rated Voltage (Ue): DC 250V
Rated Current (In): 300A / 350A / 400A
Ultimate Short-Circuit Breaking Capacity (Icu): 85kA
Service Short-Circuit Breaking Capacity (Ics): 50kA
Compliance Standard: IEC/EN 60947-2
Operating Ambient Temperature: +40°C (Max)
Terminal Connection Type: Bolt-on
Installation Method: Fixed / Panel Mount