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

The SS-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 SS-TS-CB has a ‘key free’ during normal operation and becomes ‘trapped’ when the guard is open. The SS-TSR-CB has a ‘key trapped’ during normal operation and becomes ‘free’ when the guard is open.


  • Manufactured from 316 Grade Stainless Steel
  • Available with 2NC + 2NO, 3NC + 1NO or 4NC Monitoring Contact Blocks
  • Connection via 3 x M20 or ½” NPT Conduits
  • Suitable for use in Washdown Environments
  • Optional Custom Key Label Dust Cover (CK)
Part No. Part Description
SS-TS-CB-22-M Tongue Interlock 2NC 2NO Contacts (M20)
SS-TS-CB-22-N Tongue Interlock 2NC 2NO Contacts (NPT)
SS-TS-CB-31-M Tongue Interlock 3NC 1NO Contacts (M20)
SS-TS-CB-31-N Tongue Interlock 3NC 1NO Contacts (NPT)
SS-TSR-CB-22-M Tongue Interlock 2NC 2NO Contacts (M20) (Key Free)
SS-TSR-CB-22-N Tongue Interlock 2NC 2NO Contacts (NPT) (Key Free)
SS-TSR-CB-31-M Tongue Interlock 3NC 1NO Contacts (M20) (Key Free)
SS-TSR-CB-31-N Tongue Interlock 3NC 1NO Contacts (NPT) (Key Free)
SS-TS-CB-22-M-CK Tongue Interlock 2NC 2NO Contacts (M20) Custom Dust Cover Label
SS-TS-CB-22-N-CK Tongue Interlock 2NC 2NO Contacts (NPT) Custom Dust Cover Label
SS-TS-CB-31-M-CK Tongue Interlock 3NC 1NO Contacts (M20) Custom Dust Cover Label
SS-TS-CB-31-N-CK Tongue Interlock 3NC 1NO Contacts (NPT) Custom Dust Cover Label
SS-TSR-CB-22-M-CK Tongue Interlock 2NC 2NO Contacts (M20) (Key Free) Custom Dust Cover Label
SS-TSR-CB-22-N-CK Tongue Interlock 2NC 2NO Contacts (NPT) (Key Free) Custom Dust Cover Label
SS-TSR-CB-31-M-CK Tongue Interlock 3NC 1NO Contacts (M20) (Key Free) Custom Dust Cover Label
SS-TSR-CB-31-N-CK Tongue Interlock 3NC 1NO Contacts (NPT) (Key Free) Custom Dust Cover Label

Note
Key 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 Material316 Grade Stainless Steel
Safety Contact typeIEC 60947-5-1 Double break Type Zb
TerminationClamp up to 2.5 sq. mm conductors
Rating Utilisation 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 Protection Fuse Externally 10A. (FF)
Operating Temperature-20 ... +60 °C
Enclosure ProtectionIP67, IP69K (NEMA 6)
Holding Force3000N. (F1max.) 2307N. (Fzh)
Mechanical Life (B10d)1,000,000 cycles