| Main information | 
|  | XCSD3719P20 | XCSD3902P20 | 
| Product Series | Telemecanique Safety switches XCS | Telemecanique Safety switches XCS | 
| product type | Safety limit switch | Safety limit switch | 
| component name | XCSD | XCSD | 
| design | Compact | Compact | 
| Material | Metal | Metal | 
| Control head type | Swivel head | Direct acting head | 
| protection technology | Protective plastic cover, secured with 5 leaf-shaped hexagonal security screws | Protective plastic cover, secured with 5 leaf-shaped hexagonal security screws | 
| operator type | Steel Roller Rocker | Steel roller direct acting | 
| Contact type and composition | 1 NC + 1 NC + 1 NO | 1 NC + 1 NC + 1 NO | 
| contact action | Slow break, break before make | Momentary | 
| cable entry hole | 1 The cable entry with hole is suitable for M20 x 1.5 | 1 The cable entry with hole is suitable for M20 x 1.5 | 
| Additional information | 
| Electrical connections | Terminal | Terminal | 
| locking force | 1 x 0.34…2 x 0.75 mm² | 1 x 0.34…2 x 0.75 mm² | 
| switch trigger | 30° lip | 30° lip | 
| number of poles | 3 | 3 | 
| force open | With NC contact | With NC contact | 
| Mechanical life | 10000000 times | 10000000 times | 
| Minimum trigger torque | 0.1 Nm | 12N | 
| Force open minimum torque | 0.25 Nm | 36 N | 
| operating speed | 1.5 m/s | 0.5 m/s | 
| Contact wire regulation grade | B300, AC-15 (Ue = 240 V, Ie = 1.5 A) conforming to EN/IEC 60947-5-1 Annex A | B300, AC-15 (Ue = 240 V, Ie = 1.5 A) conforming to EN/IEC 60947-5-1 Annex A | 
|  | R300, DC-13 (Ue = 250 V, Ie = 0.1 A) conforming to EN/IEC 60947-5 -1 Appendix A | R300, DC-13 (Ue = 250 V, Ie = 0.1 A) conforming to EN/IEC 60947-5 -1 Appendix A | 
| Conventional enclosed heating current [Ithe] | 6A | 6A | 
| Rated insulation voltage [Ui] | 300 V according to UL 508 | 300 V according to UL 508 | 
|  | 400 V (pollution degree 3) according to EN/IEC 60947-1 | 400 V (pollution degree 3) according to EN/IEC 60947-1 | 
|  | 300 V according to CSA C22.2 No 14 | 300 V according to CSA C22.2 No 14 | 
| Rated impulse withstand voltage [Uimp] | 4 kV according to EN/IEC 60947-1 | 4 kV according to EN/IEC 60947-1 | 
|  | 4 kV according to IEC 60664 | 4 kV according to IEC 60664 | 
| Maximum resistance across terminals | 25 MΩ conforming to IEC 60255-7 Safety Class 3 | 25 MΩ conforming to IEC 60255-7 Safety Class 3 | 
| Short circuit protection | 6 A fuse type gG (gl) | 6 A fuse type gG (gl) | 
| Repeatability | 0.1mm above the trip point, the direct-acting operating head can perform 1 million working cycles | 0.1mm above the trip point, the direct-acting operating head can perform 1 million working cycles | 
| body material | Zamak | Zamak | 
| head material | Zamak | Zamak | 
| Cabinet material | Plastic | Plastic | 
| depth | 35 mm | 35 mm | 
| high | 122 mm | 100 mm | 
| width | 34mm | 34 mm | 
| product weight | 0.22kg | 0.255 kg | 
| Environment | 
| Standards compliant | EN/IEC 60947-5-1 | EN 1088/ISO 14119 | 
|  | CSA C22.2 No 14 | EN/IEC 60204-1 | 
|  | EN 1088/ISO 14119 | EN/IEC 60947-5-1 | 
|  | UL 508 | UL 508 | 
|  | EN/IEC 60204-1 | CSA C22.2 No 14 | 
| certified product | CSA | UL | 
|  | UL | CSA | 
| Security Level | Category 4 can be achieved with appropriate monitoring system and correct wiring according to EN/ISO 13849-1 | Category 4 can be achieved with appropriate monitoring system and correct wiring according to EN/ISO 13849-1 | 
|  | PL = e can be achieved with appropriate monitoring system and correct wiring according to EN/ISO 13849-1 | PL = e can be achieved with appropriate monitoring system and correct wiring according to EN/ISO 13849-1 | 
|  | SIL 3 can be achieved with appropriate monitoring system and correct wiring according to IEC 61508 | SIL 3 can be achieved with appropriate monitoring system and correct wiring according to IEC 61508 | 
| Safe and reliable data | B10d = 50000000 Value determined by 20 years life time, limited by mechanical or contact wear | B10d = 50000000 Value determined by 20 years life time, limited by mechanical or contact wear | 
| Protective treatment | TC | TC | 
| operating temperature | -25…70°C | -25…70°C | 
| storage environment temperature | -40…70°C | -40…70°C | 
| Anti-vibration | 25 gn (f= 10…500 Hz) conforming to IEC 60068-2-6 | 25 gn (f= 10…500 Hz) conforming to IEC 60068-2-6 | 
| impact resistance | 50 gn for 11 ms conforming to IEC 60068-2-27 | 50 gn for 11 ms conforming to IEC 60068-2-27 | 
| Electric Shock Protection Level | Class I conforming to NF C 20-030 | Class I conforming to NF C 20-030 | 
|  | Class I conforming to EN/IEC 61140 | Class I conforming to EN/IEC 61140 | 
| IP protection class | IP66 conforms to screwed | IP66 conforms to screwed | 
|  | IP67 conforms to screwed | IP67 conforms to screwed | 
| IK protection class | IK06 conforms to EN 50102 | IK06 conforms to EN 50102 | 
| Packaging unit | 
| Unit Type of Package 1 | PCE | PCE | 
| Number of Units in Package 1 | 1 | 1 | 
| Package 1 Height | 3cm | 3.4cm | 
| Package 1 Width | 13cm | 5.0cm | 
| Package 1 Length | 5cm | 13.0cm | 
| Package 1 Weight | 250g | 208.0g | 
| Unit Type of Package 2 | S01 | S01 | 
| Number of Units in Package 2 | Twenty one | Twenty one | 
| Package 2 Height | 15cm | 15.0cm | 
| Package 2 Width | 15cm | 15.0cm | 
| Package 2 Length | 40cm | 40.0cm | 
| Package 2 Weight | 5.643 kg | 4.616 kg | 
| Contract warranty | 
| Warranty | 18 months | 18 months |