Siemens WL low-voltage power circuit breakers are designed for safe and reliable protection of electrical installations in switchgear and switchboard applications. Used as incoming feeders, couplers, or outgoing feeders, they are suitable for industrial, commercial, and infrastructure applications. Communication capabilities allow integration into higher-level control and energy management systems
Technical Specifications
Rated current: 630A–6300A
Voltage: Up to 1150VAC, non-automatic switches up to 1000VDC
Pole configuration: 3 or 4 poles; fixed-mounted and draw-out versions
Operating mechanisms: UL 489, UL 1066, UL 977, IEC versions
Communications: PROFIBUS, PROFINET I/O, MODBUS; integrated with 3VL
Compact, high-performance design without energy-wasting heat sinks
Extended instantaneous protection, visible ready-to-close indicators, customizable interlocks, and mechanical trip indication
Common guide frames for UL 489 and ANSI/UL 1066 for interchangeability
Internal Rogowski CTs for precise protection and metering
Modular and flexible configurations
Compliance: UL, CSA, IEC 60947-2, DIN VDE 0690 Part 1, CCC, GOST, shipbuilding standards (GL, ABS, LRS, PRS)
World's smallest air circuit breaker in the upper performance range (5000A–6300A, FS3)
Voltage: Up to 1150VAC, non-automatic switches up to 1000VDC
Pole configuration: 3 or 4 poles; fixed-mounted and draw-out versions
Operating mechanisms: UL 489, UL 1066, UL 977, IEC versions
Communications: PROFIBUS, PROFINET I/O, MODBUS; integrated with 3VL
Compact, high-performance design without energy-wasting heat sinks
Extended instantaneous protection, visible ready-to-close indicators, customizable interlocks, and mechanical trip indication
Common guide frames for UL 489 and ANSI/UL 1066 for interchangeability
Internal Rogowski CTs for precise protection and metering
Modular and flexible configurations
Compliance: UL, CSA, IEC 60947-2, DIN VDE 0690 Part 1, CCC, GOST, shipbuilding standards (GL, ABS, LRS, PRS)
World's smallest air circuit breaker in the upper performance range (5000A–6300A, FS3)
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