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

Trapped Key Power Isolation Switch with Solenoid Controlled Key Release and Lockout Dust Cover (SS-ISP-SKR-LT)

The SS-ISP-SKR-LT is used for isolating hazardous electrical energy. The key is held in place by a solenoid and only when energised can the switch be turned to the OFF position, isolating the electrical current and allowing the key to be removed. The SS-ISP-SKR-LT is designed to be mounted directly into the panel and includes a lockout dust cover.

  • Stainless Steel Barrel and Mounting Plate
  • 4-Pole Capable of Switching 690V at 25A, 40A or 63A
  • 2 N/C + 1 N/O Monitoring Contact Block

Part NumberDescriptionCurrent + ContactsBarrel MaterialKey Included
SS-ISP-SKR-25-LTSolenoid Release Isolation Switch Panel Mount 25A 4 Pole - Lockout Dust Cover25A / 4-Pole316 Stainless SteelNO
SS-ISP-SKR-40-LTSolenoid Release Isolation Switch Panel Mount 40A 4 Pole - Lockout Dust Cover40A / 4-Pole316 Stainless SteelNO
SS-ISP-SKR-63-LTSolenoid Release Isolation Switch Panel Mount 63A 4 Pole - Lockout Dust Cover63A / 4-Pole316 Stainless SteelNO

Key sold separately.
Optional auxiliary signal contact block (AUX-ISP) can be purchased to indicate the isolator status.

Technical Data
Barrel Material 316 Grade Stainless Steel
Isolator Block SpecificationsSee data sheet or technical drawings
Mechanical Life (B10d)1,000,000 cycles
Ambient temperature-20 ... +40 °C
Solenoid wattage10Watt (24V)