Volkov, V. Arbuzov, V.S. Kenzhebulatov, E. Kolobanov, E.I. Kondakov, A.A. Kozyrev, E.V. Krutikhin, S.A. Kuptsov, I.V. Kurkin, G.Y. Motygin, S.V. Murasev, A.A. Ovchar, V.K. Petrov, V.M. Pilan, A.M. Repkov, V.V. Scheglov, M.A. Sedlyarov, I.K. Serednyakov, S.S. Shevchenko, O.A. Tararyshkin, S.V. Tribendis, A.G. Vinokurov, N.A. JACoW Publishing Geneva, Switzerland 2226-0366 978-3-95450-194-6 10.18429/JACoW-LINAC2018-WE1A03 English 598-600 WE1A03 cavity gun cathode radiation electron Contribution to a conference proceedings 2019 2019-01 https://doi.org/10.18429/JACoW-LINAC2018-WE1A03 http://jacow.org/linac2018/papers/we1a03.pdf Continuous wave (CW) 100 mA electron rf gun for injecting high-quality 300-400 keV electron beam to the Energy Recovery Linac (ERL) driving the Novosibirsk Free Electron Laser (FEL) was developed, built, and commissioned in a diagnostics beam line. The rf gun consists of normal conducting 90 MHz rf cavity with a gridded thermionic cathode unit. Tests of the rf gun confirmed its design performance in strict accordance with numerical simulations. The gun was tested up to the design specifications at a test bench that includes a diagnostics beam line. The design features of different components of the rf gun are presented. The commissioning experience is discussed. The latest beam results are reported.