S4BA-MT-LPQ20S4B Light Curtain, Accessory. Mute Arm Kit: T Configuration. Includes: One extended Sensor Arm with Four Q20PLPQ5 sensors installed3815420
S4BA-MX-LPQ20S4B Accessory. Mute Arm Kit: X Configuration. Includes: Two Sensor Arm with Two Q20 Sensors and Two Reflectors Installed each. and M3815272
