Users Manual

Description
2.1 Overview - applications and portfolio
3WA Air Circuit Breakers
22 Equipment Manual, 05/2021, 92310000002-03
• Integrated and shared communication concept with the 3VA molded case circuit breakers
and the 7KM PAC measuring devices.
Option for direct integration into the Siemens communication environment via optional
accessories:
– Communication modules (Plug and Play) for PROFINET IO, Modbus TCP
– Digital input/output modules
– Staggered metering functions for efficient energy management
• Integration of the circuit breakers into the Totally Integrated Power (TIP) and Totally
Integrated Automation (TIA) solutions
• Integration into the SENTRON software environment, such as SENTRON powerconfig
configuration software and powermanager
The 3WA air circuit breaker meets the following basic requirements:
• Highly competitive breaking capacity up to 690 V AC
• The highest breaking capacity on the world market for rated voltages 1000 V AC and
1150 V AC (status in 2020)
• Optimum selectivity
• Metering function with internal voltage tap
• Optional connection to a fieldbus communication system or Ethernet-based IP
communication system with up to two communication modules simultaneously
Product features
The main product features of the 3WA circuit breaker are:
• Compact dimensions
• Rated current range from 630 A to 6300 A
• Breaking capacity up to:
– 150 kA at 500 V AC
– 125 kA at 1000 V AC
• Available fixed-mounted and draw-out versions
• ETU600 electronic trip unit with Bluetooth and USB-C interface, future-oriented with
upgradeable function extensions
• Optional integrated metering function according to IEC 61557-12
• Internal voltage tap up to 1000 V AC
• Use in AC and DC applications
• Optimized, low derating values according to IEC 60947-2
• Modular, easy-to-install accessories