S4BA-MX-LPQ20S4B Accessory. Mute Arm Kit: X Configuration. Includes: Two Sensor Arm with Two Q20 Sensors and Two Reflectors Installed each. and M3815272
SSA-EB1PLXRS1-12ED1Q8Emergency Stop: Flush Mount 40mm Push Button; Environ. Rating: IP65; Lighted; Color: Red Solid/Flashing; 2 N.C. safety contacts; 1 N3813580
