ZOII 2P MCB: 2 Pole Miniature Circuit Breaker Specification & Buying Guide

Engineered for solar PV string protection, battery energy storage systems and off-grid DC power distribution, this ZOII ZYD-45 2P 32A DC MCB ensures full electrical isolation via simultaneous dual-pole disconnection at DC 500V. It features C-curve tripping to minimize nuisance startup surges, 4.5kA breaking capacity and dedicated DC arc quenching, with clear polarity marks for error-free installation. Flame-retardant IP20 housing, standard DIN rail fitting and CE certification make it a premium replacement for worn DC circuit breakers.