Overview
The Telemecanique XCSTA593 is a key-operated safety interlock switch from Schneider Electric’s Preventa™ XCS safety detection range. Built with a plastic polyamide enclosure, this switch delivers reliable safety-critical performance for guard door and access point control in industrial automation and machinery safety applications. With two 1/2″ NPT tapped cable entries and an adjustable turret head, the XCSTA593 provides flexible mounting and integration into guarded equipment.
Key Features
- Contact Configuration: 1 Normally Closed (NC) + 2 Normally Open (NO) contacts with slow-break, break-before-make operation
- Key-Operated Turret Head: Double-insulated design limits activation to authorized personnel only
- Environmental Protection: IP67 rated plastic enclosure suitable for washdown and harsh factory environments
- Dual Cable Entries: Two 1/2″ NPT tapped conduit connections for flexible installation
- High Cycle Life: B10D reliability specification of 5,000,000 operating cycles
- Safety Certifications: UL, CSA, CE, BG, and TÜV approval for machinery safety compliance (ISO 13849-1 capable)
Technical Specifications
| Specification | Value |
| Part Number | XCSTA593 |
| Manufacturer | Telemecanique (Schneider Electric) |
| Contact Arrangement | 1NC + 2NO, slow-break |
| Contact Rating (AC) | 300 VAC, 10 A |
| Contact Rating (DC) | 300 VDC, 2.5 A |
| Operating Temperature | -10°C to +70°C |
| Enclosure Rating | NEMA 4/4X/12, IP67 |
| Enclosure Material | Polyamide plastic (red coated) |
| Cable Entry | Two 1/2″ NPT tapped entries |
| Actuation | Key-operated, double-insulated turret head |
| B10D Reliability Cycles | 5,000,000 |
| Safety Certifications | UL, CSA, CE, BG, TÜV |
| Series | XCS Preventa |
| Condition | New in Box |
Typical Applications
- Machine guard door safety interlocks on industrial machinery and production equipment
- Access point control on hazardous equipment requiring authorized personnel verification
- Emergency stop and safety monitoring circuits in automated assembly systems
- Packaging machinery, printing equipment, and metal fabrication systems
- Food processing and beverage line safety control
- Washdown environments where IP67 protection and robust construction are critical
Compatibility & Replacements
Compatible With
- Schneider Electric Preventa™ safety control systems and safety relays
- ISO 13849-1 PLe and Category 4 safety monitoring architectures
- Standard industrial control circuits rated 300VAC or 300VDC
- Guard interlocking systems in machinery with emergency stop integration
- Legacy and modern PLC safety module inputs
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The XCSTA593 features unique contact arrangement (1NC + 2NO) that may differ from older models. Ensure wiring and control logic are reviewed for compliance.
Works With
- Schneider Electric Preventa safety relays (XPS, XPSA, XPSD series)
- Industrial control circuits and safety monitoring networks
- Emergency stop systems and gate interlock applications
- Standard relay ladder logic and modern safety PLC modules
- Any 300VAC 10A or 300VDC 2.5A safety circuit design














