SIEMENS circuit breakers

When a generator circuit-breaker reaches the end of its service life, it has to be replaced or retrofitted to avoid high maintenance costs, unscheduled downtimes or any safety risks. Therefore Siemens ...

Current: 630 A - 6,300 A
VAC: 0 V - 1,000 V

Air Circuit Breakers 3WL offer a flexible design which has integrated communications technology. The flexible design along with powerful technology units are able to meet the extra demand that are often ...

Current: 250 A - 630 A

... million molded case circuit breakers are installed worldwide every year. Thats a significant number for one of the most important components in modern low-voltage power distribution. State-of-the-art ...

Current: 0.3 A - 63 A

The innovative 5SL miniature circuit breaker has the same features and more as other Siemens MCBs and can be used up to 6kA. It has a striking design with color-coded, easy to recognize switching positions ...

Current: 0.3 A - 80 A

These Miniature Circuit Breakers 5Sy6 0, 1+N in 1 MW have compact bus bars for facilitating installations in distribution boards that are conserving spaces. These devices are endorsed and accepted to ...

Current: 80 A - 125 A

The 5SY and 5SP Miniature Circuit Breakers (MCB) are perfect for protecting plants in buildings or even in industrial applications because it functions as main switches for disconnection or isolation ...

These Miniature Circuit Breakers 5SJ6 are created with an integrated plug-in terminals. The product's terminals are made for the intended purpose of giving protection to the lighting circuits ...

VAC: 72.5 kV - 800 kV

... a wide range of circuit breakers to exactly meet the demands of various systems in more than 140 countries. Live tank circuit breakers, dead tank circuit ...

VAC: 75.5 kV - 142 kV

This circuit breaker has many special features including live-tank circuit breaking where the interrupter chamber finds appropriate insulation either by porcelain or any other suitable ...

VAC: 38 kV - 245 kV

The exceptional features of the design of this dead-tank involves having a perceived quality of being created with an interrupter chamber which is accommodated in an earthed-metal housing. Due to this disposition, the live parts of the ...