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© BQT Solutions (SEA) Pte Limited 

 

 

             Page 2 

1. 

DESCRIPTION 

 

The COBALT-mini is a motor driven low voltage electric lock designed to secure commercial and residential doors. 
It  is  supplied  with  a  matching  strike  plate  and  due  to  its  small  size  it  is  perfect  for  installing  into  a  mortise  for  a 
concealed solution. The COBALT-mini offers two unique features not commonly found in this style of lock; 

 

1. 

The ability to ‘pull’ a door in tight against a seal.  

2.  The ability to release when requested even if there is excessive load on the door. 

 
The bolt pin of the COBALT-mini operates on a cam action which enables the bolt pin to pull a door into place. In 
practice as the door closes it may come to rest in a position that is not fully closed, especially if it closing against a 
door seal of some type. The COBALT-mini senses when the door is within 8mm of being fully closed and activates 
the  bolt  pin.  The  bolt  pin  then  rotates  out  and  pulls  the  door  from  its  resting  position  to  the  closed  and  sealed 
position. 
 
With the door secured and locked the COBALT-mini can be given an unlock signal and it will instantly unlock. If the 
door  is  loaded  (pre-load)  when  the  unlock  signal  is  given  the  COBALT-mini  will  still  unlock,  even  with  loads  in 
excess of 100Kg on the door. Critically the ability of the COBALT-mini to instantly release with excessive pre-load 
on the door even occurs in the event of a power failure if the lock is configured as fail safe. 
 
Additional features of the COBALT-mini are; 
 

 

Multi-voltage input (12-24VDC)  

 

Very low current consumption 

 

Door position and Bolt position monitors 

 

High physical strength 

– 10,000N holding force 

 

Fail safe / fail secure on site conversion with the re-positioning of a single jumper 

  
 

2. PRODUCT UNBOXED 

 

Along  with  the  COBALT-mini  and  matching  strike  there  are  also  10G 
Self  Tapping  and  M5  Machine  Screws  supplied.  Four  fitting  tabs  are 
also enclosed and can be used in conjunction with the M5 screws for 
recessing the lock or strike plate to metal doors and frames.  
 
The 7 way wire loom supplied is used to ease installation as the wiring 
can be done without the lock being installed until the very end.  
 
 
 
 
 
 
 
 
 
 

 

              

 

           

     Wire Loom 
 

 
                 

 

 

 

 
 
 

           Mounting Screws                  Fitting Tabs            Strike Plate 

    Lock              

 
 
 

Summary of Contents for COBALT-mini YD39M

Page 1: ...YD30M COBALT mini INSTALLATION AND OPERATING INSTRUCTIONS...

Page 2: ...T o 4 1 Mechanical o 4 2 Electrical 5 INSTALLATION o 5 1 Mortise Installation o 5 2 Surface installation 6 WIRING o 6 1 Fail Safe connection o 6 2 Fail Secure connection o 6 3 Jumper position 7 OPERAT...

Page 3: ...sition With the door secured and locked the COBALT mini can be given an unlock signal and it will instantly unlock If the door is loaded pre load when the unlock signal is given the COBALT mini will s...

Page 4: ...BQT Solutions SEA Pte Limited Page 3 3 DIMENSIONS 3 1 Lock 3 2 Strike Plate 3 3 Fitting Tab 3 4 Housing Available separately 3 5 Dress Plate Available separately...

Page 5: ...e door is approaching from the right then the bolt pin is at the bottom as indicated below 4 2 Electrical The first consideration is to establish where to run the wires and decide on what feedback is...

Page 6: ...the supplied fitting tabs can be used to secure the lock and strike plate in place The mortise behind the lock body needs to have enough space to accommodate the wiring 5 1 2 Wiring the lock Wires ar...

Page 7: ...determine exactly where the wiring will enter the housing and drill one or two 8mm holes through the housing wall Ensure the holes are on the housing face that goes against the wooden frame Push the...

Page 8: ...glass to give a clean finish The protective coating on the dress plate can be removed once it is in place 5 2 5 Fitting the strike plate into the housing The strike plate is placed into the housing a...

Page 9: ...Door Position Switch WHITE COM 6 1 Fail Safe Connection When wiring the COBALT mini the positive voltage is connected to RED negative is connected to BLACK and a switched positive voltage wire connec...

Page 10: ...ng as the door is open but will instantly re lock when voltage is applied to the BLUE wire and the door is closed In the event of a power failure voltage is removed from the BLUE wire and the COBALT m...

Page 11: ...t after initial power up is 250mA 12VDC and 200mA 24VDC 9 MAINTENANCE The COBALT mini has been lubricated at assembly and applying any other type of lubricant may void the warranty Removing the lock c...

Page 12: ...BQT Solutions SEA Pte Limited Page 11 NOTES Version 3 0...

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