The Td300 Activation And Trip Box - Siemens 3VA1 100 A Manual

Accessories
4.11 Test devices
4.11.1

The TD300 activation and trip box

The TD300 activation and trip box is a mobile, battery-operated local test device. Its purpose
is:
● To supply the ETU with power so that the ETU can be parameterized when the molded
case circuit breaker is switched off and de-energized.
● To test and service the electronic trip unit (ETU).
The power supply is provided by two AA batteries included in the scope of supply.
The TD300 activation and trip box is designed for ease of handling with dimensions of
76 x 107 x 25 mm (W x H x D).
Description of the TD300 activation and trip box
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③
④
⑤
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LED "ACT" for indicating the battery status
Slide switch ON/OFF
<TRIP> pushbutton for testing the molded case circuit breaker
2 1.5 V AA batteries
Plug-in connector for insertion in the test socket on the ETU
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02