SIEMENS circuit breakers

4 companies | 17 products
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air-operated circuit breaker
air-operated circuit breaker
3WL

Primary current: 630 A - 6,300 A

... electricity. 3WL air circuit breakers reliably protect electrical installations against damage or fire as a result of short circuits, ground faults, or overload faults. Heart of the ...

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Siemens Low-voltage – Power distribution
MCB circuit breaker
MCB circuit breaker
MCBs

... . In the event of overload or a short-circuit, miniature circuit breakers (MCBs) safely cut the connected circuit and thus reliably protect electrical systems and devices ...

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Siemens Low-voltage – Power distribution
thermal-magnetic circuit breaker
thermal-magnetic circuit breaker
3VA Series

Primary current: 15 A - 1,600 A
VAC: 480, 415 V

... industrial applications, buildings, or infrastructure: As a modular, highly variable system, the range of 3VA molded case circuit breakers provides thoroughly reliable operator and plant protection while ...

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Siemens Low-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
3AV

Primary current: 0 A - 3,150 A
VAC: 72.5 V - 145 V

Vacuum technology – Sustainable high-voltage circuit breakers The outstanding technical performance and low lifecycle cost of vacuum circuit breakers make this solution ...

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Siemens High-voltage – Power transmission
live-tank circuit breaker
live-tank circuit breaker
3AP series

Primary current: 5,000, 2,500, 4,000 A
VAC: 72.5 kV - 800 kV

... tank circuit breakers for 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, ...

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Siemens High-voltage – Power transmission
dead-tank circuit breaker
dead-tank circuit breaker
3AP1 DT

Primary current: 3,150 A
VAC: 230, 325, 550, 750 kV

We offer dead tank circuit breakers for applications from 72.5 kV to 550 kV with a service life of up to 50 years. Our DT circuit breakers deliver the greatest possible ...

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Siemens High-voltage – Power transmission
compact circuit breaker
compact circuit breaker
3AP1 DTC

Primary current: 3,150, 4,000 A
VAC: 245, 145 kV

... on our modular design, the core components are adopted from our high-voltage circuit breakers, disconnectors and the GIS product family. Our dead tank compact circuit breakers ...

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Siemens High-voltage – Power transmission
air-insulated circuit breaker
air-insulated circuit breaker
3AP DCB series

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 (disconnecting circuit breaker) is used as a circuit breaker and also as a disconnector ...

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Siemens High-voltage – Power transmission
vacuum circuit breaker
vacuum circuit breaker
3AF Series

Primary current: 20 A - 31,500 A
VAC: 12 kV - 40.5 kV

... Siemens medium-voltage vacuum circuit-breakers for over 40 years, with over 350,000 vacuum circuit-breakers in service to date. Siemens puts large effort into developing ...

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Siemens Medium-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
3AH35 Series

Primary current: 20,000, 25,000, 31,500, 40,000 A
VAC: 15.7, 27.6, 38 kV

... distribution circuit breaker family you can rely on The Siemens SDV family of outdoor distribution circuit breakers have been operating reliably for decades. From the ...

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Siemens Medium-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
Fusesaver™

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, the circuit breaker has the capability for multi-phase fault clearance for both transient ...

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Siemens Medium-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
SION 3AE Series

Primary current: 630 A - 40,000 A
VAC: 7.2, 12, 17.5, 24 kV

... infrastructure SION vacuum circuit breakers control all standard switching tasks in medium-voltage distribution systems and are suited for installation in all air-insulated medium-voltage switchgear. ...

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Siemens Medium-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
3AK7

Primary current: 1,250, 2,000, 3,150, 4,000 A
VAC: 7.2, 12, 15, 17.5 kV

Vacuum circuit breakers in the 3AK7 series are available in versions from 7.2 to 17.5 kV. The vacuum circuit breakers are very compact, with a distance between pole centers ...

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Siemens Medium-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
3AH3

Primary current: 1,250 A - 8,000 A
VAC: 7.2 kV - 40.5 kV

The powerful 3AH3 vacuum circuit breakers were the first 63- and 72-kA vacuum circuit breakers on the market tested in accordance with IEEE C37.013 for load currents ...

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Siemens Medium-voltage – Power distribution
vacuum circuit breaker
vacuum circuit breaker
3AH4

Primary current: 1,250 A - 4,000 A
VAC: 12 kV - 40.5 kV

... sequences per day. This requires sturdy, powerful vacuum circuit breakers that can manage these tough demands – like the vacuum circuit breakers in our 3AH4 series. The ...

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Siemens Medium-voltage – Power distribution
circuit breaker for railway applications
circuit breaker for railway applications
3AH47

Primary current: 1,250 A - 40,000 A
VAC: 27.5, 17.5 kV

The electricity supply to railway systems calls for circuit breakers with special characteristics. Not only are single or two-pole circuit breakers usually needed for ...

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Siemens Medium-voltage – Power distribution
DC circuit breaker
DC circuit breaker
FDCL221

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 ...