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Breakers

You can integrate the following circuit breakers. For more information Power Devices, refer to the Breakers’ manual.

3VA2_ETU8 / 3VA2_ETU5

The 3VA series is designed for use in applications with higher technical requirements and a rated current of up to 630 A. In addition to an increased switching capacity of up to 150 kA, these MCCBs come with an electronic trip unit (ETU), and an integration capability for metering and communication functions.

The current-limiting contact system furthermore ensures a very high switching capacity. ETUs guarantee reliable overload protection, short-term delayed or instantaneous tripping in case of a short-circuit, neutral conductor protection, and fault protection against ground.

Mobile test devices allow the checking and parameterization of ETU functions in MCCBs on site.

State symbols of the molded-case circuit breaker

Different states of the molded-case circuit breaker are represented as a circuit-breaker symbol. The state symbol of the molded-case circuit breaker indicates the position of the molded-case circuit breaker in the frame. You can see whether the molded-case circuit breaker is open or closed. The background color designates the status of the relevant message.

Colored Background of the Molded-Case Circuit Breaker Symbol for Designating the Status

Color	Message status	Meaning
Green	Green	No messages pending
Yellow	Yellow	At least one warning message or one threshold warning is pending
Red	Red	At least one trip message is currently pending
White	White	No information available about the existence of messages

State Symbols of the Molded-Case Circuit Breaker

State Symbol without Guide Frame	State Symbol with Guide Frame	Description of the State
		The circuit breaker is not available. NOTE: At the moment, neither tripping nor warning or setpoint messages are pending.
		The circuit breaker is not available. NOTE: At the moment, at least one warning or setpoint message is pending.
		The circuit breaker is not available. NOTE: At the moment, a tripping message is pending.
		The circuit breaker is opened. At the moment, neither tripping nor warning or setpoint messages are present.
		The circuit breaker is opened. At the moment, a tripping message is present.
		The circuit breaker is opened. At the moment, at least one warning or setpoint message is present.
		The circuit breaker is opened. At the moment, neither tripping nor warning or setpoint messages are present.
		The circuit breaker is opened. At the moment, a tripping message is present.
		The circuit breaker is opened. At the moment, at least one warning or setpoint message is present.
		The circuit breaker is in the disconnected position.
		The circuit breaker is in disconnected position. The circuit breaker is closed. At the moment there are neither tripping nor warning or setpoint messages present.
		The circuit breaker is in disconnected position. The circuit breaker is closed. At the moment a tripping message is present.
		The circuit breaker is in disconnected position. The circuit breaker is closed. At the moment, at least one warning or setpoint message is present.
		The circuit breaker is in disconnected position. The circuit breaker is opened. At the moment, neither tripping nor warning or setpoint messages are present.
		The circuit breaker is in disconnected position. The circuit breaker is opened. At the moment, a tripping message is present.
		The circuit breaker is in disconnected position. The circuit breaker is opened. At the moment, is at least one warning or setpoint message is present.
		The circuit breaker is closed. At the moment, neither tripping nor warning or setpoint messages are present.
		The circuit breaker is closed. At the moment, a tripping message is present.
		The circuit breaker is closed. At the moment, at least one warning or setpoint message is present.
		The circuit breaker is closed. At the moment, neither tripping nor warning or setpoint messages are present.
		The circuit breaker is closed. At the moment, a tripping message is present.
		The circuit breaker is closed. At the moment, at least one warning or setpoint message is present.
		It is unknown, if the circuit breaker is closed or opened. At the moment, a tripping message is present.
		It is unknown, if the circuit breaker is closed or opened. At the moment, at least one warning or setpoint message is present.
		It is unknown, if the circuit breaker is closed or opened. At the moment, neither tripping nor warning or setpoint messages are present.
		It is unknown, if the circuit breaker is closed or opened. At the moment, a tripping message is present.
		It is unknown, if the circuit breaker is closed or opened. At the moment, a tripping message is present.
		It is unknown, if the circuit breaker is closed or opened. At the moment, at least one warning or setpoint message is present.
		The circuit breaker is in test position and has tripped. At the moment, neither tripping nor warning or setpoint messages are present.
		The circuit breaker is in test position and has tripped. At the moment a tripping message is present.
		The circuit breaker has tripped. At the moment, at least one warning or setpoint message is present.
offline	offline	The circuit breaker is in test position and has tripped. At the moment, at least one warning or setpoint message is present.

Condition Monitoring

Displays the health status and the remaining lifetime of the breaker.

This feature is available for devices with firmware version V4.4 or above.

3WL

3WL are air circuit breakers. They can transfer important information to the software to carry out diagnostics management, fault management, maintenance management, and cost center management.

Connect the 3WL air circuit breakers via COM35 or COM16. You can use any other gateway to establish the connection.

The circuit breaker status is displayed in powermanager and the measured values and can be switched with the appropriate authorization.

There are two switching functions:

ON - Select ON when the circuit breaker status is OFF or TRIPPED.
OFF - Select OFF when the circuit breaker status is ON.

For more information, refer to the 3WL/3VL system manual.

State symbols of the molded-case circuit breaker

Different states of the molded-case circuit breaker are represented as a circuit breaker symbol. The state symbol of the molded-case circuit breaker indicates the position of the molded-case circuit breaker in the frame. You can see whether the molded-case circuit breaker is open or closed. The background color designates the status of the relevant message.

Colored Background of the Molded-Case Circuit Breaker Symbol for Designating the Status

Color	Message status	Meaning
Green	Green	No messages pending
Yellow	Yellow	At least one warning message or one threshold warning is pending
Red	Red	At least one trip message is currently pending
White	White	No information available about the existence of messages

State Symbols of the Molded-Case Circuit Breaker

State Symbol with Guide Frame	Description of the State
	The circuit breaker is not available.
	The circuit breaker is in the connected position and open. At the moment, neither trip messages nor warning messages or threshold messages are pending.
	The circuit breaker is in the connected position and open. A trip message is pending.
	The circuit breaker is in the connected position and open. At least one warning message or one threshold warning is pending.
	The circuit breaker is in test position and opened. At the moment, neither tripping nor warning or setpoint messages are present.
	The circuit breaker is in test position and opened. At the moment, a tripping message is present.
	The circuit breaker is in test position and opened. At the moment, at least one warning or setpoint message is present.
	The circuit breaker is in disconnected position.
	The circuit breaker is in connected position and closed. At the moment, there are neither tripping nor warning or setpoint messages present.
	The circuit breaker is in connected position and closed. At the moment, a tripping message is present.
	The circuit breaker is in connected position and closed. At the moment, at least one warning or setpoint message is present.
	The circuit breaker is in the test position and closed. At the moment, neither trip messages nor warning messages or threshold messages are pending.
	The circuit breaker is in the test position and closed. A trip message is pending.
	The circuit breaker is in the test position and closed. At least one warning message or one threshold warning is pending.
	The circuit breaker is in connected position. It is unknown whether the switch is closed or opened. At the moment, neither tripping nor warning or setpoint messages are present.
	The circuit breaker is in connected position. It is unknown whether the switch is closed or opened. At the moment, a tripping message is present.
	The circuit breaker is in the connected position. It is not known whether the molded-case circuit breaker is open or closed. At least one warning message or one threshold warning is pending.
	The circuit breaker is in test position. It is unknown whether the switch is closed or opened. At the moment, neither tripping nor warning or setpoint messages are present.
	The circuit breaker is in test position. It is unknown whether the switch is closed or opened. At the moment, a tripping message is present.
	The circuit breaker is in test position. It is unknown whether the switch is closed or opened. At the moment, at least one warning or setpoint message is present.
	The circuit breaker is in test position and has tripped. At the moment there are neither tripping nor warning or setpoint messages present.
	The circuit breaker is in test position and has tripped. At the moment, a tripping message is present.
	The circuit breaker is in test position and has tripped. At the moment, at least one warning or setpoint message is present.
offline	The circuit breaker is offline.