Product Description
The STI CM-S221PC5 is a CM Series coded magnetic non-contact safety interlock switch designed for machine guarding and door monitoring applications. It features a universal read-style design with 2 normally closed (N/C) safety contacts and 1 normally open (N/O) auxiliary contact, and is pre-wired with a 5-meter cable with bare-end flying leads. The switch uses tamper-resistant coded magnetic actuation, is housed in a rectangular ABS plastic body rated IP67/NEMA 6, and operates on 24VAC/DC. Approved to CE, UL, and C-UL standards and compliant with ISO 13849-1 for safety-rated machine guarding applications.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | STI (Scientific Technologies Inc.) / Omron |
| Model / Part Number | CM-S221PC5 2 N/C 1 N/O |
| Alternate Part Number | 44536-0221 |
| Product Series | CM Series |
| Product Type | Coded Magnetic Non-Contact Safety Interlock Switch |
| Contact Configuration | 2 N/C + 1 N/O (2NC + 1NO) |
| Normally Closed (N/C) Contacts | 2 |
| Normally Open (N/O) Contacts | 1 |
| Rated Voltage | 24VAC/DC |
| Rated Current (Max Switched) | 300 mA |
| Sensing Technology | Coded Magnetic (Non-Contact) |
| Switch Style | Universal Read Style |
| ON Distance (N/C Contacts Close) | 7 mm |
| OFF Distance (N/C Contacts Open) | 10 mm |
| Min. Operating Gap | 1 mm |
| Housing Material | ABS Plastic |
| Color | Red |
| Shape | Rectangular |
| Dimensions (W x L x H) | 27.2 mm x 87.5 mm x 13.5 mm |
| Enclosure / Ingress Protection | IP67 / NEMA 6 |
| Connection Type | Pre-wired, 5m cable with bare-end flying leads |
| Cable Length | 5 meters (16.4 ft) |
| Mounting | 2 x M4 Screws |
| Operating Temperature | -10°C to +55°C |
| Mechanical Life | 1,000,000 cycles |
| Standards Compliance | EN292, EN60204-1, EN954-1, EN1088, EN60947-5-3, EN50081, EN50082, EN61000-6-2, ISO 13849-1 |
| Approvals / Listings | CE, UL, C-UL |
| Application | Machine guarding, safety door monitoring |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Mounting Style Screw Mount
Current Rating 300 mA
Manufacturer STI
Enclosure Type IP67 / NEMA 6
Part Number CM-S221PC5 2 N/C 1 N/O
Shelf K-50
Model CM-S221PC5 2 N/C 1 N/O
MPN CM-S221PC5 2 N/C 1 N/O
Type Safety Interlock
