Features: Used for protecting sliding doors and windows where space is limited. Magnet and reed switch contained in housing. Spacer and screws included. Rollerball plunger travel is 1/4" (6mm). 360º Roller-ball. Screw terminals. Contact reed switch...

Features: Used for protecting sliding doors and windows where space is limited Magnet and reed switch contained in housing Spacer and screws included Rollerball plunger travel is 1/4″ (6.35mm) 360º Roller-ball 18″ (46cm) leads Contact...

Model Number: RSW-21A-B Item Number: 4430005 Hardened stainless steeel ball 3mm pre-travel stroke Available in SPST or SPDT The RSW-21 is a roller ball type switch for a closed circuit application using a hardened stainless steel ball. It fits into a...

Model Number: RSW-21B-I Item Number: 4430007 The RSW-21 is a roller ball type switch for a closed circuit application using a hardened stainless steel ball. It fits into a ¾” drilled hole for recessed mounting. The 5/8” diameter stainless steel...

Model Number: RSW-21A-I Item Number: 4430003 Hardened stainless steel ball 3mm pre-travel stroke Available in SPST or SPDT It fits into a ¾” drilled hole for recessed mounting The RSW-21 is a roller ball type switch for a closed circuit...

Model Number: RSW-21A-G Item Number: 4430006 The RSW-21 is a roller ball type switch for a closed circuit application using a hardened stainless steel ball. It fits into a ¾” drilled hole for recessed mounting. The 5/8” diameter stainless steel...