6ES7551-1AB00-0AB0 SIEMENS SIMATIC S7-1500 Technical Function
Module TM PosInput 2
The Siemens 6ES7551-1AB00-0AB0 is a compact, high-reliability front
connector engineered for the SIMATIC ET 200MP distributed I/O
system and compatible S7-1500 I/O modules with 24-pin interfaces.
Featuring push-in spring terminal technology, this connector
enables rapid, tool-free wiring of field devices—significantly
accelerating panel assembly while ensuring secure,
maintenance-friendly connections in industrial automation
environments. Ideal for space-constrained applications such as
small machinery, process skids, and modular control cabinets, it
supports hot-swapping, modular design, and seamless integration
into Siemens’ Totally Integrated Automation (TIA) architecture.
Product Overview: Siemens 6ES7551-1AB00-0AB0
| Manufacturer | Siemens AG – Digital Industries |
| Product Family | SIMATIC ET 200MP / S7-1500 I/O System |
| Order Number | 6ES7551-1AB00-0AB0 |
| Component Type | Front Connector (24-pin, Push-In Technology) |
| Terminal Type | Push-in spring clamp terminals – tool-free operation |
| Pin Count | 24 pins – designed for compact digital and analog I/O modules |
| Wire Range | 0.14 mm² to 2.5 mm² (AWG 24–12) |
| Wire Compatibility | Solid, stranded, and ferruled conductors |
| Housing Color | Light gray – standard for non-coded push-in connectors in ET 200MP series |
| Mechanical Coding | Yes – ensures correct module alignment and prevents mismating |
| Reusability | Fully reusable; retains all field wiring during module replacement |
| Mounting | Snap-in onto compatible ET 200MP 24-pin base units (e.g., BU15-PD00A00, BU15-PD96A00 variants) |
| Operating Temperature | –25°C to +60°C |
| Certifications | CE, UL, cUL, KC, EAC, RoHS |
Product details pictures
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