Grade 3

 Grade 3

Our Grade 3 contacts are suitable for a wide range of applications and can be used in Ungraded, Grade 1, Grade 2 and Grade 3 systems. These contacts are required to have a mechanical tamper and/or be potted/sealed. End of Line (EOL) resistors are also an option. They should also detect or be immune to rogue magnets

Grade 3 -  FC508/WH/MULTI/G3 or BR
20 mm 4 terminal with selectable EOL
resistors and magnet immunity
Grade 3 - FC508/WH/MULTI/G3 or BR
20 mm 4 terminal with selectable EOL
resistors and magnet immunity
Grade 3 - RS007
Pre-resistored roller shutter contact with
magnet detection
Magnetic Contacts - Grade 3 - FC508 Magnetic Contacts - Grade 3 - SC513    Magnetic Contacts - Grade 3 - RS007
Download Detection Guide 2008 Download Detection Guide 2008 Download Detection Guide 2008
  Download File Detection Product Data  
Grade 3 -  SC570/WH/MD/G3
6 terminal large contact with microswitch
tamper and magnet detection
Grade 3 -  SC570/WH/MULTI/MD/G3 6 terminal large contact with microswitch tamper, selectable EOL and magnet detection Grade 3-SC517/WH/MULTI/G3 or BR
Magnetic Contacts Grade 3 -SC570 Magnetic Contacts Grade 3 - SC570/WH  grade2_sc517_multi
Detection Product Data Detection Product Data Detection Product Data
Download Detection Guide 2008  Download Detection Guide 2008 Download Detection Guide 2008

FC508 - Technical Data

The latest flush contact from CQR is suitable for use in Grade 3 systems. Two versions are currently available for different resistor values, type A and B. The FC508 features 2 terminals and microswitch tamper protection. 

Connections 4  
Reed Switches 1
 Pull-in Gap  6mm (Max Close) 12mm (Max Open)  
Material Polystyrene    
 Size mm       20x 32 x 33                                     
Contact Form SPST form A   
Voltage Range  100v DC  150mA to 24V, 10 ohm 0.25W resistor in series   
Switching Current 0.25mA
Contact MaterialComplies with  Complies with  Complies with  Complies with    Rhodium    
Colours White/Brown
Grade 3 SC513 - Technical Data

Small Grade 3 surface contact. Pre - wired with microswitch tamper and magnetic detection. 

Connections 1m 4 core    
Reed Switches 1
 Pull-in Gap  20mm 
Material Polystyrene    
 Size mm      65 x 13.5 x 13                                      
Contact Form SPST form A   
Voltage Range  1-50vDC   150mA to 24V, 10 ohm 0.25W resistor in series   
Switching Current 500mA
Contact MaterialComplies with  Complies with  Complies with  Complies with    Rhodium    
Colours White
Grade 3 RS007/G3 - Technical Data

High Security Roller Shutter Pre- Resistored

Universal heavy duty roller shutter contact is selectable as either double pole/type A/type B and with or without magnetic detection. It is also available as only type A or only type B with magnetic detection. This contact can be applied either side of a roller shutter. 

Connections 1m 4 core    
Reed Switches 1
 Pull-in Gap  20mm 
Material Polystyrene    
 Size mm      65 x 13.5 x 13                                      
Contact Form SPST form A   
Voltage Range  1-50vDC   150mA to 24V, 10 ohm 0.25W resistor in series   
Switching Current 500mA
Contact MaterialComplies with  Complies with  Complies with  Complies with    Rhodium    
Colours White
Grade 3 SC570/WH/MD/G3 or BR - Technical Data
Connections 6   
Reed Switches 2
 Pull-in Gap  10mm 
Material Polystyrene    
 Size mm      85 x 25 x 8                                      
Contact Form SPST form A   
Voltage Range  1-50vDC   150mA to 24V, 10 ohm 0.25W resistor in series   
Switching Current 500mA
Contact MaterialComplies with  Complies with  Complies with  Complies with    Rhodium    
Colours White/Brown
Grade 3 SC570/WH/MD/G3/MULTI - Technical Data
Connections 3  
Reed Switches 2
 Pull-in Gap  10mm 
Material Polystyrene    
 Size mm      85 x 25 x 8                                      
Contact Form SPST form A   
Voltage Range  1-50vDC   150mA to 24V, 10 ohm 0.25W resistor in series   
Switching Current 500mA
Contact MaterialComplies with  Complies with  Complies with  Complies with    Rhodium    
Colours White/Brown