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Current: 2,500, 4,000 A
VAC: 72.5 kV - 800 kV
Overview of our live tank circuit breakers We offer our live tank circuit breakers for applications from 72.5 kV to 800 kV, up to 80 kA. Depending on the requirement, ...
SIEMENS High-voltage – Power transmission
Current: 0 A - 3,150 A
VAC: 72.5 kV - 123 kV
Overview of our dead tank circuit breakers We deliver dead tank circuit breakers for applications from 72.5 kV to 550 kV with a service life of up to 50 years. Our DT ...
SIEMENS High-voltage – Power transmission
Current: 4,000 A
VAC: 245, 300, 362, 420 V
The 3AT circuit breaker with double-nozzle system is especially suitable for special applications, such as the restrike-free interruption of low inductive and capacitive currents and the interruption ...
SIEMENS High-voltage – Power transmission
Current: 0 A - 3,150 A
VAC: 72.5 V - 145 V
The new generation of high-voltage circuit breakers is based on over 40 years of experience in the production of medium-voltage vacuum interrupters and over 5.5 million units delivered. Siemens has ...
SIEMENS High-voltage – Power transmission
Current: 0 A - 4,000 A
VAC: 145, 245 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 ...
SIEMENS High-voltage – Power transmission
Current: 0 A - 4,000 A
VAC: 145, 420 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 ...
SIEMENS High-voltage – Power transmission
Current: 630 A - 6,300 A
VAC: 0 V - 1,000 V
... 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 ...
SIEMENS Low-voltage – Power distribution
RC units can be fitted to miniature circuit breakers (MCBs) as per DIN EN 61009-1 (VDE 0664-20). Used in combination with a MCB, they provide the same functionality as an RCBO. The benefits are a high ...
SIEMENS Low-voltage – Power distribution
... . 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 ...
SIEMENS Low-voltage – Power distribution
Current: 15 A - 1,000 A
... 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 ...
SIEMENS Low-voltage – Power distribution
Current: 0 A - 31,500 A
VAC: 0 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 ...
SIEMENS Medium-voltage – Power distribution
Current: 20,000, 25,000, 31,500, 40,000 A
VAC: 15.7, 27.6, 38 kV
... The magnetic actuator employs an electronic controller to provide power to close the circuit breaker, as well as to supply the energy to open the circuit breaker. The ...
SIEMENS Medium-voltage – Power distribution
Current: 40, 100, 200 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 ...
SIEMENS Medium-voltage – Power distribution
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. ...
SIEMENS Medium-voltage – Power distribution
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 ...
SIEMENS Medium-voltage – Power distribution
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 ...
SIEMENS Medium-voltage – Power distribution
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 ...
SIEMENS Medium-voltage – Power distribution
Current: 1,250 A - 40,000 A
VAC: 17.5, 27.5 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 ...
SIEMENS Medium-voltage – Power distribution
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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