The KNA3XS is a compact safety relay designed for emergency stop and mobile guard monitoring applications.
The KNA3XS is a compact safety relay designed for emergency stop and mobile guard monitoring applications. It meets Category 3 safety requirements under EN 954-1, making it suitable for industrial environments where operator protection is critical.
Technical Specifications
Attribute
Value
Function
Emergency stop / guard monitoring
Safety Level
Category 3 (EN 954-1)
Contacts
3 N/O safety contacts, 1 N/C signaling contact
Rated Voltage
24 V AC/DC
Max Breaking Capacity
1500 VA resistive
Max Current
6.82 A
Max Voltage
440 VAC
Response Time
< 25 ms
Reset Time
< 50 ms
Synchronization Tolerance
< 500 ms
Mounting
DIN rail (22.5 mm width)
Protection Rating
IP40 (housing), IP20 (terminals)
Material
Polycarbonate, UL94 V0 self-extinguishing
Weight
310 g
EMC Immunity
EN 50082-2 compliant (radiated fields, transients, ESD)
