NSR75-PR-EX Pull Rope Emergency Stop Switches are designed for shutting down a conveyor belt or machinery and assuring system safety in hazardous environments where explosions could occur. They are mounted alongside the conveyor belt, with tensioned steel cords attached to the switch. When the cable is pulled or the cable loses its tension, the switch will actuate and system will shut down. Then the switch can be reset manually with resetting lever.
The product is suitable for reliable long term usage in most industrial applications. Can be used in dusty and dirty due to its IP67 protection class. Enclosure is aluminum cast, shaft mechanism is stainless steel and the resetting lever is made of durable plastic. NSR75-PR-EX series products do not require any maintenance.
Cable span is 75 m or 125 m in only one way, distance depends on the applicaton. All models can be equipped with an alarm switch and signal light so alarming switch can be spotted from distance. Standard product’s contact structure is 1NO+1NC. If requested, 2NO+2NC is available.
NSR75-PR-EX is Ex-Proof (ATEX certified). With its protection against dust ingress, it is reliable in explosive athmosphere. All models conform to CE (European Union) and EAC (Eurasian Customs Union) standards. Microswitches used in these products are VDE approved.
We recommend tested and approved KBT Connection Equipment for installation.
|Micro Switch Rating
|240 V 3A
|1NC+1NO, 1NC+2NO, 2NC+1NO, 2NC+2NO
|-30°C to +85°C
|4 x M5
|Black (RAL 9005)
|Can be mounted on single side.
|Micro switches are VDE approved.
|Signal Light and Alarm
|II 2D Ex tb IIIC Db T85°C IP66/68
*75 metres rope length
*125 metres rope length