NSR75-PR EX Proof Pull Rope Emergency Stop Switch

Explosion Proof Pull Rope Emergency Stop Switch

Brand:
SKU: NSR75-PR-EX Category: EX Belt Switch Brand:

Description

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.

Technical Specifications

EnclosureAluminum Casting
Micro Switch Rating240 V 3A
Output Signal1NC+1NO, 1NC+2NO, 2NC+1NO, 2NC+2NO
Temperature Rating-30°C to +85°C
Contact TypeSnap-action
Mounting Bolts4 x M5
Protection ClassIP67
Enclosure ColorBlack (RAL 9005)
Weight630g
Mounting OrientationCan be mounted on single side.
Actuation Force<125N
Mechanical Endurance1,000,000 cycles
Warranty Period24 Months

Safety Standards

Electrical SafetyEN 60947-5-1
Mechanical SafetyEN 60204
Outdoor SafetyEN 60529
Impact ResistanceEN 62262
CertificatesCE,EAC
Micro switches are VDE approved.

Options

Mounting Bracket
Signal Light and Alarm

EX Definition

II 2D Ex tb IIIC Db T85°C IP66/68

Model Specifications

ModelContact Structure
NCNO
NSR75-PR-11-EX11
NSR75-PR-2C1A-EX21
NSR75-PR-2A1C-EX12
NSR75-PR-22-EX22

*75 metres rope length

ModelContact Structure
NCNO
NSR75BL-PR-11-EX11
NSR75BL-PR-2C1A-EX21
NSR75BL-PR-2A1C-EX12
NSR75BL-PR-22-EX22

*125 metres rope length

Reviews

There are no reviews yet.

Be the first to review “NSR75-PR EX Proof Pull Rope Emergency Stop Switch”

Your email address will not be published. Required fields are marked *

Reviews

There are no reviews yet.

Be the first to review “NSR75-PR EX Proof Pull Rope Emergency Stop Switch”

Your email address will not be published. Required fields are marked *