SIEMENS circuit breakers
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Primary current: 630 A - 6,300 A
... electricity. 3WL aircircuitbreakersreliably protect electrical installations against damage or fire as a result of shortcircuits, ground faults, or overload faults. Heart of the ...
Siemens Low-voltage – Power distribution

Primary current: 3,000 A
VAC: 0 V - 277 V
VDC: 12 V - 60 V
... installation. In the event of an overload or short-circuit, miniaturecircuitbreakerssafely cut off the connectedcircuitand reliably protect electrical installations ...
Siemens Low-voltage – Power distribution

Primary current: 15 A - 2,000 A
VAC: 480, 415 V
... industrial applications, buildings, or infrastructure: As a modular, highly variable system, the range of 3VA molded casecircuitbreakersprovides thoroughly reliable operator and plant protection while ...
Siemens Low-voltage – Power distribution

Primary current: 20,000, 25,000, 31,500, 40,000 A
VAC: 15.7, 27.6, 38 kV
... distributioncircuitbreakerfamily you can rely on The Siemens SDV family of outdoor distributioncircuitbreakershave been operating reliably for decades. From the ...
Siemens Medium-voltage – Power distribution

Primary current: 20 A - 31,500 A
VAC: 12 kV - 40.5 kV
... Siemens medium-voltage vacuumcircuit-breakersfor over 40 years, with over 350,000 vacuumcircuit-breakersin service to date. Siemens puts large effort into developing ...
Siemens Medium-voltage – Power distribution

Primary current: 100, 200, 40 A
VAC: 15.5 kV - 27 kV
... weight of the device enables a quick and easy installation and fast commissioning. Self-powered from line current, thecircuitbreakerhas the capability for multi-phase fault clearance for both transient ...
Siemens Medium-voltage – Power distribution

Primary current: 630 A - 40,000 A
VAC: 7.2, 12, 17.5, 24 kV
... infrastructure SION vacuumcircuitbreakerscontrol all standard switching tasks in medium-voltage distribution systems and are suited for installation in all air-insulated medium-voltage switchgear. ...
Siemens Medium-voltage – Power distribution

Primary current: 4,000, 2,000, 3,150, 1,250 A
VAC: 12, 15, 7.2, 17.5 kV
Vacuumcircuitbreakersin the 3AK7 series are available in versions from 7.2 to 17.5 kV. The vacuumcircuitbreakersare very compact, with a distance between pole centers ...
Siemens Medium-voltage – Power distribution

Primary current: 1250 - 8000
VAC: 7.2 kV - 40.5 kV
The powerful 3AH3 vacuumcircuitbreakerswere the first 63- and 72-kA vacuumcircuitbreakerson the market tested in accordance with IEEE C37.013 for load currents ...
Siemens Medium-voltage – Power distribution

Primary current: 1,250 A - 4,000 A
VAC: 12 kV - 40.5 kV
... sequences per day. This requires sturdy, powerful vacuumcircuitbreakersthat can manage these tough demands – like the vacuumcircuitbreakersin our 3AH4 series. The ...
Siemens Medium-voltage – Power distribution

Primary current: 1,250 A - 40,000 A
VAC: 27.5, 17.5 kV
The electricity supply to railway systems calls forcircuitbreakerswith special characteristics. Not only are single or two-polecircuitbreakersusually needed for ...
Siemens Medium-voltage – Power distribution

Primary current: 5,000, 2,500, 4,000 A
VAC: 72.5 kV - 800 kV
... tankcircuitbreakersfor applications from 72.5 kV to 800 kV, up to 80 kA, suitable for all different types of applications, in extreme temperatures or earthquake regions. Depending on the requirement, ...
Siemens High-voltage – Power transmission

Primary current: 0 A - 3,150 A
VAC: 72.5 V - 145 V
Vacuum technology – Sustainable high-voltagecircuitbreakersThe outstanding technical performance and low lifecycle cost of vacuumcircuitbreakersmake this solution ...
Siemens High-voltage – Power transmission

Primary current: 3,150 A
VAC: 230、325、550, 750 kV
We offer dead tankcircuitbreakersfor applications from 72.5 kV to 550 kV with a service life of up to 50 years. Our DTcircuitbreakersdeliver the greatest possible ...
Siemens High-voltage – Power transmission

Primary current: 3,150, 4,000 A
VAC: 245, 145 kV
... on our modular design, the core components are adopted from our high-voltagecircuitbreakers, disconnectors and the GIS product family. Our dead tank compactcircuitbreakers...
Siemens High-voltage – Power transmission

Primary current: 0 A - 4,000 A
VAC: 420, 145 kV
... in the SF6 gas compartment in order to reduce external environmental influences. The DCB (disconnectingcircuitbreaker) is used as acircuitbreakerand also as a disconnector ...
Siemens High-voltage – Power transmission

Primary current: 0.25 mA
VDC: 12 V - 33 V
To avoid the breakdown of several stub lines in case of a short-circuit, line separators may be inserted. The line separator is used where several stub lines are connected to the FDnet/C-NET at one point, if no other ...
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