Overview
The Telemecanique XCSTA593 safety interlock switch is a compact key-operated safety device built for controlling access to machine guards and doors. This switch features an adjustable turret head and a robust red coated polyamide body with 2 x 1/2″ NPT cable gland entries, allowing for flexible installation. It has 2 normally open and 1 normally closed break-before-make (slow break) contacts. This model is part of the Preventa XCS line, engineered to prevent accidental access to running machinery.
Key Features
- Adjustable turret head with 2 NO / 1 NC break-before-make contacts
- IP67 degree of protection for harsh industrial environments
- B10D reliability rating of 5,000,000 cycles
- Compliant with EN/ISO 14119, EN/IEC 60204-1, EN/IEC 60947-5-1, UL 508, and CSA standards
- Achieves Category 4, Performance Level e, SIL 3 when paired with appropriate safety control unit
- Two 1/2″ NPT cable gland entries for simplified wiring
Technical Specifications
The XCSTA593 is engineered for heavy-duty industrial safety applications with the following verified characteristics:
- Contact Configuration: 1NC + 2NO slow break
- Operating Voltage: 300 VAC / 300 VDC
- Contact Ratings: Up to 10A @ 300VAC; 2.5A @ 300VDC
- Cable Entry: 2 x 1/2″ NPT tapped
- Body Material: Red polyamide (plastic)
- IP Rating: IP67 (sealed against dust and water immersion)
- Operating Temperature: -10°C to +70°C
- Approval Standards: UL, CSA, CE, TÃœV, BG
Typical Applications
These switches are used for controlling the safe opening and interlocking of guards and covers when a running machine necessitates a door or guard remain closed. Common applications include:
- Machine guard and safety door interlocks
- Industrial equipment access control
- Light and heavy-duty production machinery
- Automated assembly and packaging equipment
- Safety-critical control circuits compliant with ISO 13849-1
Compatibility & Replacements
Compatible With
- Schneider Electric safety control systems
- Industrial machinery with safety-rated interlocking requirements
- EN/ISO 13849-1 Category 4 / PL e safety architectures
- Standard 1/2″ NPT conduit and cable gland systems
- 24VDC solenoid release systems (when specified)
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering to confirm direct replacement suitability.
Works With
- Telemecanique Preventa safety monitoring relays and modules
- Schneider Electric TeSys safety contactors
- ISO 13849-1 compliant safety PLCs and controllers
- Standard industrial safety wiring practices per EN/IEC 60204-1
