Leading Manufacturer of Safety Interlock Switches and Machine Guard Safety Switch Devices for Automation and Process Safety

External Mount Trapped Key Control Isolation Switch (SS-ISB-CB)

The SS-ISB-CB is used for isolating an electrical control circuit. Turning the key to the OFF position opens the safety contacts, allowing the key to be removed and transferred to the next stage in the Trapped Key System. The SS-ISB-CB is enclosed within a robust 316 stainless steel body suitable for washdown environments.

  • Manufactured from 316 Grade Stainless Steel
  • Ingress Protection up to IP69K
  • 2NC + 2NO, 3NC + 1NO or 4NC Monitoring Contact Blocks
  • Connection via 3 x M20
Part No.Part Description
SS-ISB-CB-22-MControl Switch Box 2NC 2NO M20 Stainless Steel
SS-ISB-CB-31-MControl Switch Box 3NC 1NO M20 Stainless Steel
SS-ISB-CB-40-MControl Switch Box 4NC M20 Stainless Steel

Key sold separately

Technical Data
Approvals cULus
Enclosure Material316 Grade Stainless Steel
Safety Contact typeIEC 60947-5-1 Double break Type Zb
TerminationClamp 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-25 ... +80 °C
Enclosure Protection IP67, IP69K (NEMA 6)
Mechanical Life (B10d)1,000,000 cycles