ML51PA – Digital PIN Keypad Cam Lock


  • Attractive slim line design
  • Battery status LED
  • Lock status LED
  • Standard Alkaline batteries, 3 x AAA
  • Micro USB power back up
  • Suits doors up to 23mm thick
  • 3mm thick stainless steel cam
  • 4 – 12 digit Master PIN
  • 4 – 12 digit User PIN
  • Private code or Public Change Code mode (similar to hotel safe)
  • Sound Mode – On or Off
  • Temporary wrong code lockout


  • Schools
  • Offices
  • Leisure centres
  • Sports clubs
  • Health clubs

Die-cast  (Body & Knob), ABS (Front)

Operating Temperature
-20oc ~ +70oc

Operating Humidity
0 ~ 90%

Credential Levels
1 x Master PIN, 4 to 12 digit
1 x User PIN, 4 to 12 digit

Battery / Life:
3 x AAA Alkaline batteries
1.5 Years (using 10 times a day)

Salt spray tested to:
96 hours 


Door Thickness
1 to 23mm

 2 x Standard 3mm thick stainless steel cams supplied, one straight cam, one offset cam

Other 8 x 8mm square drive cams are suitable for this product

Part numbers
Part Numbers
Product Description Part Number
ML51PA Vertical mount ML51B00001
ML51PA Horizontal mount, right hand ML51B00002
ML51PA Horizontal mount, left hand

Master Code

  • Unlocks the cam lock (the cam lock will remain opened after use with the Master PIN Code)
  • Enables changing the Master PIN Code
  • Enables changing the User PIN Code
  • Deletes the User PIN Code automatically

User Code

  • Unlocks the cam lock (automatically locks after 4 seconds in Private mode)

Private Mode

  • The cam lock starts in a locked state
  • Open the cam lock by using a registered PIN Code on the front keypad
  • The cam lock will remain unlocked for 4 seconds before attempting to re-lock itself. The turn knob will be locked when returned to the locked position

Public Mode

  • The cam lock starts in an unlocked state
  • The user enters their own personal 4~12 digit PIN, this will lock the cam lock
  • Unlock the cam lock by using the same PIN Code again. This leaves the cam lock in the unlocked state
  • This PIN Code is then erased and ready for the next new user
  • This function is used for short term, multi occupancy applications. E.g. A locker in a fitness club

Right hand model

Left hand model

Offset Cam

Flat Cam

Package Contents:

A.  1 x ML51PA lock

B.  1 x Rubber gasket

C.  1 x Rubber ring washer

D.  1 x M16 nut

E.   1 x Cam governor (limits cam to 90°)

F.   2 x Cams (1 flat, 1 offset)

G.  2 x M4 washer

H.  1 x Cam fixing bolt - M4 x 10mm

I.  4 x Upper lock fixing bolt options to suit door thicknesses;
• 1-3mm doors - M4 x 10mm
• 3-13mm doors - M4 x 20mm
• 13-18mm doors - M4 x 25mm
• 18-23mm doors - M4 x 30mm

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