WLTS Hand-Held Test Set
WL Low Voltage Circuit Breakers
www.usa.siemens.com/WLBreaker
Application Guide
Страница 1: ...WLTS Hand Held Test Set WL Low Voltage Circuit Breakers www usa siemens com WLBreaker Application Guide ...
Страница 2: ... including the trip unit rating plug trip coil current sensors and all associated wiring The WLTS has additional functionality that is beneficial during startup and commissioning activities The WLTS can be utilized as a temporary power supply to provide control power for the WL family of trip units facilitating the programming of the trip unit during startup and commissioning The WLTS will supply ...
Страница 3: ... any time by holding down the START button for three seconds Testing the current and energy sensors To test the current sensors and energy transducers press the START button A lit up LED confirms the proper operation of the corresponding sensor transducer If an LED flashes the corresponding sensor converter is not present not properly connected or is in need of replacement Whether a flashing N or ...
Страница 4: ...e the circuit breaker 3 Press the N button The circuit breaker will trip after the set long time delay time plus approximately two seconds processing time has elapsed When the test device successfully completes the test the ETU STATUS LED will light up continuously green If the test is not successful the tester will indicate that by flashing the LED Flashing codes are listed in Table 1 Ground faul...
Страница 5: ... communication interface to the connected CubicleBUS modules and the connected Modbus PROFIBUS DP networks Currents will be displayed on the trip unit only if the trip unit is equipped with an integrated display WLETU745 with WLLCD748 WLETU748 with WLLCD748 WLETU776 Current values will be available to be communicated when a communication interface is installed 1 Connect 24 V dc to power the trip u...
Страница 6: ...ode Legend Arcing Contact Condition Alignment Primary Finger Clusters A Like New Condition Arc Chute Condition Frame Condition B Good Condition Open Close Indicator Breaker Cleanliness C Poor Condition Requires Correction Ready to Close Indicator Manual Close Trip D Corrections Made or Part Replaced Lubrication Electric Close Trip E Unacceptable Condition Do Not Use Mechanical Condition Manual Cha...
Страница 7: ...7 Notes ...
Страница 8: ... USA 2016 Siemens Industry Inc Subject to changes and errors The information given in this document only contains general descriptions and or performance features which may not always specifically reflect those described or which may undergo modification in the course of further development of the products The requested performance features are binding only when they are expressly agreed upon in t...
