Siemens 6ES7421-1BL01-0AA0 | Digital Input Module SMC Rated Operational Current: 6A at

Rated Operational Current: 6A at 230V AC

Input Signal Ranges: 0–20 mA

Ingress Protection: IP67 sealing

NPN open collector output (3-wire DC)

this MCCB ensures reliable short-circuit and overload protection in high-energy environments

Siemens 6ES7421-1BL01-0AA0 | Digital Input Module SMC Rated Operational Current: 6A atSiemens 6ES7421 1BL01 0AA0 SIMATIC S7 400 Digital Input Module Overview The Siemens 6ES7421 1BL01 0AA0 is a digital input module designed for the SIMATIC S7 400 automation system. It offers 32 digital inputs at 24V DC in sink (negative logic) configuration, supporting the reliable acquisition of binary signals in industrial control applications. The module uses a 40 pin front connector and occupies a single slot in the S7 400 rack. Key Features Input