External Mount Trapped Key Control Isolation Switch with Tongue Interlock (M-TS-CB)

The M-TS-CB is a trapped key gate access lock with an internal contact block. Turning the key unlocks the actuator and opens the safety contacts. The M-TSR-CB has a ‘key trapped’ during normal operation and becomes ‘free’ when the guard is open. The M-TS-CB has a ‘key free’ during normal operation and becomes ‘trapped’ when the guard is open.


  • Body Material: Die-Cast Metal
  • Ingress Protection: IP67
  • Contacts: 2NC + 2NO, 3NC + 1NO or 4NC Monitoring Contact Blocks
  • Connection: 3 x M20 or ½” NPT Conduits
Part Number Part Description
M-TS-CB-22-M Single Tongue Interlock 2NC 2NO Contact Block (M20) (Key Free / Door Closed)
M-TS-CB-22-N Single Tongue Interlock 2NC 2NO Contact Block (NPT) (Key Free / Door Closed)
M-TS-CB-31-M Single Tongue Interlock 3NC 1NO Contact Block (M20) (Key Free / Door Closed)
M-TS-CB-31-N Single Tongue Interlock 3NC 1NO Contact Block (NPT) (Key Free / Door Closed)
M-TSR-CB-22-M Single Tongue Interlock 2NC 2NO Contact Block (M20) (Key Free / Door Open)
M-TSR-CB-22-N Single Tongue Interlock 2NC 2NO Contact Block (NPT) (Key Free / Door Open)
M-TSR-CB-31-M Single Tongue Interlock 3NC 1NO Contact Block (M20) (Key Free / Door Open)
M-TSR-CB-31-N Single Tongue Interlock 3NC 1NO Contact Block (NPT) (Key Free / Door Open)

Note
Key sold separately
Actuator sold separately
Please note that for trapped key access locks, either a key or an actuator must be ordered with the product. This is required for manufacturing, as the internal mechanism must be configured to trap one of these parts. For assistance, please contact the IDEM Sales team.

Technical Data
ApprovalscULus
Enclosure MaterialDie-Cast Metal
Safety Contact typeIEC 60947-5-1 Double break Type Zb
Termination Clamp up to 2.5 sq. mm conductors
RatingUtilisation Category : AC15
Operational RatingAC15 A300 240V. 3A /120V 6A. ac
Thermal Current (Ith)10A
Rated Insulation Voltage (Ui)500V
Withstand Voltage (Uimp)2500V
Short Circuit Overload ProtectionFuse Externally 10A. (FF)
Operating Temperature-20 ... +60 °C
Enclosure ProtectionIP67
Holding Force3000N. (F1max.) 2307N. (Fzh)
Mechanical Life (B10d)1,000,000 cycles