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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 KC10-125-1125 1 Pole 10kA 125Amp Circuit Breaker

Onesto KC10-125-1125 1 Pole 10kA 125Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-125-1125 1 Pole 10kA 125Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 125A. Protects circuits against overcurren…

Onesto KC10-125-180 1 Pole 10kA 80Amp Circuit Breaker

Onesto KC10-125-180 1 Pole 10kA 80Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-125-180 1 Pole 10kA 80Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 80A. Provides overload and short-circuit pro…

Onesto KC10-125-2100 2 Pole 10kA 100Amp Circuit Breaker

Onesto KC10-125-2100 2 Pole 10kA 100Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-125-2100 2 Pole 10kA 100Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 100A. Used in domestic, commercial and ind…

Onesto KC10-125-2125 2 Pole 10kA 125Amp Circuit Breaker

Onesto KC10-125-2125 2 Pole 10kA 125Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-125-2125 2 Pole 10kA 125Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 125A. Protects circuits against overcurren…

Onesto KC10-125-280 2 Pole 10kA 80Amp Circuit Breaker

Onesto KC10-125-280 2 Pole 10kA 80Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-125-280 2 Pole 10kA 80Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 80A. Provides overload and short-circuit pro…

Onesto KC10-P-110 1 Pole 10kA 10Amp Circuit Breaker

Onesto KC10-P-110 1 Pole 10kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-110 1 Pole 10kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 10A. Used in domestic, commercial and industri…

Onesto KC10-P-116 1 Pole 10kA 16Amp Circuit Breaker

Onesto KC10-P-116 1 Pole 10kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-116 1 Pole 10kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 16A. Protects circuits against overcurrent and…

Onesto KC10-P-120 1 Pole 10kA 20Amp Circuit Breaker

Onesto KC10-P-120 1 Pole 10kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-120 1 Pole 10kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 20A. Provides overload and short-circuit prote…

Onesto KC10-P-125 1 Pole 10kA 25Amp Circuit Breaker

Onesto KC10-P-125 1 Pole 10kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-125 1 Pole 10kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 25A. Used in domestic, commercial and industri…

Onesto KC10-P-132 1 Pole 10kA 32Amp Circuit Breaker

Onesto KC10-P-132 1 Pole 10kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-132 1 Pole 10kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 32A. Protects circuits against overcurrent and…

Onesto KC10-P-140 1 Pole 10kA 40Amp Circuit Breaker

Onesto KC10-P-140 1 Pole 10kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-140 1 Pole 10kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 40A. Provides overload and short-circuit prote…

Onesto KC10-P-150 1 Pole 10kA 50Amp Circuit Breaker

Onesto KC10-P-150 1 Pole 10kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-150 1 Pole 10kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 50A. Used in domestic, commercial and industri…

Onesto KC10-P-163 1 Pole 10kA 63Amp Circuit Breaker

Onesto KC10-P-163 1 Pole 10kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-163 1 Pole 10kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 10kA, 63A. Protects circuits against overcurrent and…

Onesto KC10-P-210 2 Pole 10kA 10Amp Circuit Breaker

Onesto KC10-P-210 2 Pole 10kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-210 2 Pole 10kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 10A. Provides overload and short-circuit prote…

Onesto KC10-P-216 2 Pole 10kA 16Amp Circuit Breaker

Onesto KC10-P-216 2 Pole 10kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-216 2 Pole 10kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 16A. Used in domestic, commercial and industri…

Onesto KC10-P-220 2 Pole 10kA 20Amp Circuit Breaker

Onesto KC10-P-220 2 Pole 10kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-220 2 Pole 10kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 20A. Protects circuits against overcurrent and…

Onesto KC10-P-225 2 Pole 10kA 25Amp Circuit Breaker

Onesto KC10-P-225 2 Pole 10kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-225 2 Pole 10kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 25A. Provides overload and short-circuit prote…

Onesto KC10-P-232 2 Pole 10kA 32Amp Circuit Breaker

Onesto KC10-P-232 2 Pole 10kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-232 2 Pole 10kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 32A. Used in domestic, commercial and industri…

Onesto KC10-P-240 2 Pole 10kA 40Amp Circuit Breaker

Onesto KC10-P-240 2 Pole 10kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-240 2 Pole 10kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 40A. Protects circuits against overcurrent and…

Onesto KC10-P-250 2 Pole 10kA 50Amp Circuit Breaker

Onesto KC10-P-250 2 Pole 10kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-250 2 Pole 10kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 50A. Provides overload and short-circuit prote…

Onesto KC10-P-263 2 Pole 10kA 63Amp Circuit Breaker

Onesto KC10-P-263 2 Pole 10kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC10-P-263 2 Pole 10kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 10kA, 63A. Used in domestic, commercial and industri…

Onesto KC3E-101 1 Pole 3kA 1Amp Circuit Breaker

Onesto KC3E-101 1 Pole 3kA 1Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-101 1 Pole 3kA 1Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 1A. Protects circuits against overcurrent and short…

Onesto KC3E-102 1 Pole 3kA 2Amp Circuit Breaker

Onesto KC3E-102 1 Pole 3kA 2Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-102 1 Pole 3kA 2Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 2A. Provides overload and short-circuit protection …

Onesto KC3E-103 1 Pole 3kA 3Amp Circuit Breaker

Onesto KC3E-103 1 Pole 3kA 3Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-103 1 Pole 3kA 3Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 3A. Used in domestic, commercial and industrial dis…

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