The Siemens 6ES5436-7LB11 is a Digital Input Module for the SIMATIC S5 programmable logic controller series. Part of the proven Simatic S5 family, it provides reliable discrete signal acquisition from field devices such as switches, sensors, and push buttons, making it an ideal replacement or spare for existing S5 automation systems.Key Benefits: Reliable discrete digital input signal acquisition for SIMATIC S5 PLC systems Compatible with the full range of SIMATIC S5 racks and backplanes Direct drop-in replacement for existing S5 digital input installations Proven hardware for long-running industrial automation environments Features: Part Number: 6ES5436-7LB11 Series: SIMATIC S5 Module Type: Digital Input Signal Type: Digital Manufacturer: Siemens Condition: NewThis is for 1 Unit(s).What you see in the product images is exactly what you receive — no surprises.Note: Customs fees and import duties for international orders are the responsibility of the buyer.