SITC of 12 W Volume controller shall be suitable for 3-wire and 4-wire systems.It should have Built-in 24 VDC override relay & Continuous rotating system Technical Specifications:Rated power 12 WInput voltage 100 VAttenuation steps 5 x 3 dB + offFrequency response 50 Hz to 20 kHz (-1 dB)THD <0.5%Current consumption 20 mA at 24 VDC
SITC of 100 W Volume controller shall be suitable for 3-wire and 4-wire systems.It should have Built-in 24 VDC override relay & Continuous rotating system Technical Specifications:Rated power 100 WInput voltage 100 VAttenuation steps 10 x 2 dB + offFrequency response 50 Hz to 20 kHz (-1 dB)THD <0.5%Current consumption 20 mA at 24 VDC
