The Allen-Bradley 440N-Z21SS2B is a non-contact interlock switch that utilizes RFID technology for coding and inductive technology for sensing. This safety switch is designed to provide a cost-effective solution for various industrial safety applications, offering a large sensing range and tolerance to misalignment. It is available in different housing types, including plastic barrel, stainless steel barrel, and plastic flat pack, and comes in standard, unique, magnetic hold, and integrated latch versions. The switch is rated for IP66, IP67, and IP69K protection against environmental factors.
Technical Specifications
- Sensing Distance: 18 mm (0.71 in)
- Safety Outputs: 2 x PNP, 0.2A
- Housing: Plastic Rectangular / Rectangular Latch
Certifications and Compliance
- CE Marked: Compliant with all applicable directives
- cULus (UL 508): Certified
- FCC: Compliant
- TÜV Certified: Compliant
- Standards Compliance: IEC 60947-5-3, IEC 61508, ISO 14119, ISO 13849-1
Functional Safety Data
- Probability of dangerous failure per hour (PFHD): 1.12E-9
- Mean Time To Failure (MTTFd): > 385 years
- Dual Channel Interlock: Suitable for performance levels PLe or PLd (according to ISO 13849-1) and for use in SIL2 or SIL3 systems depending on application characteristics
User Manuals and Documentation
- Safety Switches Brochure: GLSAFE-BR002
- SensaGuard RFID Non-Contact Safety Switches Product Profile: 440NZ-PP001
Troubleshooting and Programming
- Troubleshooting: Not specified in the provided documentation
- Programming: Not specified in the provided documentation
Installation
- Installation: Not specified in the provided documentation