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Circuit Breakers & Electrical Protection Suppliers in Johannesburg

MCBs, MCCBs, earth leakage, surge protectors, isolators, motor protection and kilowatt meters.

954 products

Prices include VAT, are indicative and subject to change — confirm via a quote. E&OE.

Onesto KC3E-350 3 Pole 3kA 50Amp Circuit Breaker

Onesto KC3E-350 3 Pole 3kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-350 3 Pole 3kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 50A. Protects circuits against overcurrent and sho…

Onesto KC3E-363 3 Pole 3kA 63Amp Circuit Breaker

Onesto KC3E-363 3 Pole 3kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-363 3 Pole 3kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 63A. Provides overload and short-circuit protectio…

Onesto KC6-125-1100 1 Pole 6kA 100Amp Circuit Breaker

Onesto KC6-125-1100 1 Pole 6kA 100Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-125-1100 1 Pole 6kA 100Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 100A. Used in domestic, commercial and indust…

Onesto KC6-125-180 1 Pole 6kA 80Amp Circuit Breaker

Onesto KC6-125-180 1 Pole 6kA 80Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-125-180 1 Pole 6kA 80Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 80A. Protects circuits against overcurrent and …

Onesto KC6-125-2100 2 Pole 6kA 100Amp Circuit Breaker

Onesto KC6-125-2100 2 Pole 6kA 100Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-125-2100 2 Pole 6kA 100Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 100A. Provides overload and short-circuit pro…

Onesto KC6-125-280 2 Pole 6kA 80Amp Circuit Breaker

Onesto KC6-125-280 2 Pole 6kA 80Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-125-280 2 Pole 6kA 80Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 80A. Used in domestic, commercial and industria…

Onesto KC6-KU-110 1 Pole 6kA 10Amp Circuit Breaker

Onesto KC6-KU-110 1 Pole 6kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-110 1 Pole 6kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 10A. Protects circuits against overcurrent and s…

Onesto KC6-KU-116 1 Pole 6kA 16Amp Circuit Breaker

Onesto KC6-KU-116 1 Pole 6kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-116 1 Pole 6kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 16A. Provides overload and short-circuit protect…

Onesto KC6-KU-120 1 Pole 6kA 20Amp Circuit Breaker

Onesto KC6-KU-120 1 Pole 6kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-120 1 Pole 6kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 20A. Used in domestic, commercial and industrial…

Onesto KC6-KU-125 1 Pole 6kA 25Amp Circuit Breaker

Onesto KC6-KU-125 1 Pole 6kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-125 1 Pole 6kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 25A. Protects circuits against overcurrent and s…

Onesto KC6-KU-132 1 Pole 6kA 32Amp Circuit Breaker

Onesto KC6-KU-132 1 Pole 6kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-132 1 Pole 6kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 32A. Provides overload and short-circuit protect…

Onesto KC6-KU-140 1 Pole 6kA 40Amp Circuit Breaker

Onesto KC6-KU-140 1 Pole 6kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-140 1 Pole 6kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 40A. Used in domestic, commercial and industrial…

Onesto KC6-KU-150 1 Pole 6kA 50Amp Circuit Breaker

Onesto KC6-KU-150 1 Pole 6kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-150 1 Pole 6kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 50A. Protects circuits against overcurrent and s…

Onesto KC6-KU-163 1 Pole 6kA 63Amp Circuit Breaker

Onesto KC6-KU-163 1 Pole 6kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-163 1 Pole 6kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 6kA, 63A. Provides overload and short-circuit protect…

Onesto KC6-KU-210 2 Pole 6kA 10Amp Circuit Breaker

Onesto KC6-KU-210 2 Pole 6kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-210 2 Pole 6kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 10A. Used in domestic, commercial and industrial…

Onesto KC6-KU-216 2 Pole 6kA 16Amp Circuit Breaker

Onesto KC6-KU-216 2 Pole 6kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-216 2 Pole 6kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 16A. Protects circuits against overcurrent and s…

Onesto KC6-KU-220 2 Pole 6kA 20Amp Circuit Breaker

Onesto KC6-KU-220 2 Pole 6kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-220 2 Pole 6kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 20A. Provides overload and short-circuit protect…

Onesto KC6-KU-225 2 Pole 6kA 25Amp Circuit Breaker

Onesto KC6-KU-225 2 Pole 6kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-225 2 Pole 6kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 25A. Used in domestic, commercial and industrial…

Onesto KC6-KU-232 2 Pole 6kA 32Amp Circuit Breaker

Onesto KC6-KU-232 2 Pole 6kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-232 2 Pole 6kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 32A. Protects circuits against overcurrent and s…

Onesto KC6-KU-240 2 Pole 6kA 40Amp Circuit Breaker

Onesto KC6-KU-240 2 Pole 6kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-240 2 Pole 6kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 40A. Provides overload and short-circuit protect…

Onesto KC6-KU-250 2 Pole 6kA 50Amp Circuit Breaker

Onesto KC6-KU-250 2 Pole 6kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-250 2 Pole 6kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 50A. Used in domestic, commercial and industrial…

Onesto KC6-KU-263 2 Pole 6kA 63Amp Circuit Breaker

Onesto KC6-KU-263 2 Pole 6kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-263 2 Pole 6kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 6kA, 63A. Protects circuits against overcurrent and s…

Onesto KC6-KU-310 3 Pole 6kA 10Amp Circuit Breaker

Onesto KC6-KU-310 3 Pole 6kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-310 3 Pole 6kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 6kA, 10A. Provides overload and short-circuit protect…

Onesto KC6-KU-316 3 Pole 6kA 16Amp Circuit Breaker

Onesto KC6-KU-316 3 Pole 6kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC6-KU-316 3 Pole 6kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 6kA, 16A. Used in domestic, commercial and industrial…

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