The Legrand Single Pole (SP) 32 Amp Miniature Circuit Breaker (MCB) is a thermo-magnetic protective device designed to safeguard single-phase electrical circuits against overloads and short circuits.Oct 22nd, 2026 7:01 PMShare this on :KeywordsLegrand Single Pole (SP)thermo-magnetic protective device32 Amp Miniature Circuit Breakersingle-phase electrical circuits1Pole MCB C Curve