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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-104 1 Pole 3kA 4Amp Circuit Breaker

Onesto KC3E-104 1 Pole 3kA 4Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-104 1 Pole 3kA 4Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 4A. Protects circuits against overcurrent and short…

Onesto KC3E-106 1 Pole 3kA 6Amp Circuit Breaker

Onesto KC3E-106 1 Pole 3kA 6Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-106 1 Pole 3kA 6Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 6A. Provides overload and short-circuit protection …

Onesto KC3E-110 1 Pole 3kA 10Amp Circuit Breaker

Onesto KC3E-110 1 Pole 3kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-110 1 Pole 3kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 10A. Used in domestic, commercial and industrial d…

Onesto KC3E-116 1 Pole 3kA 16Amp Circuit Breaker

Onesto KC3E-116 1 Pole 3kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-116 1 Pole 3kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 16A. Protects circuits against overcurrent and sho…

Onesto KC3E-120 1 Pole 3kA 20Amp Circuit Breaker

Onesto KC3E-120 1 Pole 3kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-120 1 Pole 3kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 20A. Provides overload and short-circuit protectio…

Onesto KC3E-125 1 Pole 3kA 25Amp Circuit Breaker

Onesto KC3E-125 1 Pole 3kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-125 1 Pole 3kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 25A. Used in domestic, commercial and industrial d…

Onesto KC3E-132 1 Pole 3kA 32Amp Circuit Breaker

Onesto KC3E-132 1 Pole 3kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-132 1 Pole 3kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 32A. Protects circuits against overcurrent and sho…

Onesto KC3E-140 1 Pole 3kA 40Amp Circuit Breaker

Onesto KC3E-140 1 Pole 3kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-140 1 Pole 3kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 40A. Provides overload and short-circuit protectio…

Onesto KC3E-150 1 Pole 3kA 50Amp Circuit Breaker

Onesto KC3E-150 1 Pole 3kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-150 1 Pole 3kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 50A. Used in domestic, commercial and industrial d…

Onesto KC3E-163 1 Pole 3kA 63Amp Circuit Breaker

Onesto KC3E-163 1 Pole 3kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-163 1 Pole 3kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 1 pole, 3kA, 63A. Protects circuits against overcurrent and sho…

Onesto KC3E-210 2 Pole 3kA 10Amp Circuit Breaker

Onesto KC3E-210 2 Pole 3kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-210 2 Pole 3kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 10A. Provides overload and short-circuit protectio…

Onesto KC3E-216 2 Pole 3kA 16Amp Circuit Breaker

Onesto KC3E-216 2 Pole 3kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-216 2 Pole 3kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 16A. Used in domestic, commercial and industrial d…

Onesto KC3E-220 2 Pole 3kA 20Amp Circuit Breaker

Onesto KC3E-220 2 Pole 3kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-220 2 Pole 3kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 20A. Protects circuits against overcurrent and sho…

Onesto KC3E-225 2 Pole 3kA 25Amp Circuit Breaker

Onesto KC3E-225 2 Pole 3kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-225 2 Pole 3kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 25A. Provides overload and short-circuit protectio…

Onesto KC3E-232 2 Pole 3kA 32Amp Circuit Breaker

Onesto KC3E-232 2 Pole 3kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-232 2 Pole 3kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 32A. Used in domestic, commercial and industrial d…

Onesto KC3E-240 2 Pole 3kA 40Amp Circuit Breaker

Onesto KC3E-240 2 Pole 3kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-240 2 Pole 3kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 40A. Protects circuits against overcurrent and sho…

Onesto KC3E-250 2 Pole 3kA 50Amp Circuit Breaker

Onesto KC3E-250 2 Pole 3kA 50Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-250 2 Pole 3kA 50Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 50A. Provides overload and short-circuit protectio…

Onesto KC3E-263 2 Pole 3kA 63Amp Circuit Breaker

Onesto KC3E-263 2 Pole 3kA 63Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-263 2 Pole 3kA 63Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 2 pole, 3kA, 63A. Used in domestic, commercial and industrial d…

Onesto KC3E-310 3 Pole 3kA 10Amp Circuit Breaker

Onesto KC3E-310 3 Pole 3kA 10Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-310 3 Pole 3kA 10Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 10A. Protects circuits against overcurrent and sho…

Onesto KC3E-316 3 Pole 3kA 16Amp Circuit Breaker

Onesto KC3E-316 3 Pole 3kA 16Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-316 3 Pole 3kA 16Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 16A. Provides overload and short-circuit protectio…

Onesto KC3E-320 3 Pole 3kA 20Amp Circuit Breaker

Onesto KC3E-320 3 Pole 3kA 20Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-320 3 Pole 3kA 20Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 20A. Used in domestic, commercial and industrial d…

Onesto KC3E-325 3 Pole 3kA 25Amp Circuit Breaker

Onesto KC3E-325 3 Pole 3kA 25Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-325 3 Pole 3kA 25Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 25A. Protects circuits against overcurrent and sho…

Onesto KC3E-332 3 Pole 3kA 32Amp Circuit Breaker

Onesto KC3E-332 3 Pole 3kA 32Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-332 3 Pole 3kA 32Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 32A. Provides overload and short-circuit protectio…

Onesto KC3E-340 3 Pole 3kA 40Amp Circuit Breaker

Onesto KC3E-340 3 Pole 3kA 40Amp Circuit Breaker

Regular Circuit Breakers

Onesto KC3E-340 3 Pole 3kA 40Amp Circuit Breaker is a circuit breaker from Onesto. Key details: 3 pole, 3kA, 40A. Used in domestic, commercial and industrial d…

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