Circuit Breakers
MCBs, MCCBs, earth leakage, surge protectors, isolators, motor protection and kilowatt meters.
959 products
Onesto Kcm-N-363 3 Pole 63Amp Isolator
Isolators3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm-N-380 3 Pole 80Amp Isolator
Isolators3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm1-100S-100 3 Pole 25Ka 100Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 25kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-1250S-1000 3 Pole 85Ka 1000Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 85kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-1250S-1250 3 Pole 85Ka 1250Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 85kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-225S-125 3 Pole 25Ka 125Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 25kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-225S-160 3 Pole 25Ka 160Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 25kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-225S-200 3 Pole 25Ka 200Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 25kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-225S-225 3 Pole 25Ka 225Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 25kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-225S-250 3 Pole 25Ka 250Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 25kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-400S-315 3 Pole 35Ka 315Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 35kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-400S-350 3 Pole 35Ka 350Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 35kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-400S-400 3 Pole 35Ka 400 Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 35kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-630S-500 3 Pole 35Ka 500 Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 35kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-630S-630 3 Pole 35Ka 630 Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 35kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-800S-800 3 Pole 65Ka 800Amp Circuit Breaker
Large Frame MCCB3-pole miniature circuit breaker (MCB) with 65kA breaking capacity. Provides overcurrent and short-circuit protection. DIN-rail mounted. Complies with IEC 6089…
Onesto Kcm1-Is1250S-1000 3 Pole 1000Amp Isolator
Large Frame MCCB3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm1-Is225S-160 3 Pole 160Amp Isolator
Large Frame MCCB3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm1-Is225S-225 3 Pole 225Amp Isolator
Large Frame MCCB3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm1-Is225S-250 3 Pole 250Amp Isolator
Large Frame MCCB3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm1-Is400S-315 3 Pole 315Amp Isolator
Large Frame MCCB3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Kcm1-Is400S-400 3 Pole 400Amp Isolator
Large Frame MCCB3-pole isolator switch for safely isolating electrical circuits during maintenance. DIN-rail or panel mounted.
Onesto Krc3-263 2 Pole 63Amp Earth Leakage
Earth Leakage2-pole earth leakage circuit breaker (ELCB/RCCB). Provides protection against earth faults and electric shock. Essential for safety in domestic and commercial …
Onesto Krc3-280 2 Pole 80Amp Earth Leakage
Earth Leakage2-pole earth leakage circuit breaker (ELCB/RCCB). Provides protection against earth faults and electric shock. Essential for safety in domestic and commercial …