

The Siemens LOGO! Contact 24 Switching Module, model 6ED1057-4CA00-0AA0, is a versatile and compact control unit designed for small to medium-scale automation applications. This module integrates 24 V DC power, 4 digital inputs, and 4 relay outputs, enabling efficient switching of loads such as motors, valves, and indicators. It is part of the LOGO! family, offering seamless integration with other LOGO! modules via the built-in bus interface. Engineered for reliability, it features short-circuit protection, overload resilience, and a wide operating temperature range from -20°C to +55°C. Ideal for building automation, conveyor systems, and lighting controls, this module delivers consistent performance in harsh industrial settings.
| Parameter | Specification |
|---|---|
| Model Number | 6ED1057-4CA00-0AA0 |
| Product Name | LOGO! Contact 24 Switching Module |
| Power Supply Voltage | 24 V DC (20.4 to 28.8 V DC) |
| Digital Inputs | 4 (24 V DC, type 1 according to IEC 61131-2) |
| Digital Outputs | 4 relay outputs (normally open, 24 V DC / 230 V AC, max 2 A per output) |
| Output Type | Relay, potential-free contacts |
| Switching Frequency | Mechanical: 10 Hz; Resistive load: 2 Hz |
| Communication Interface | Integrated LOGO! bus for expansion modules |
| Protection Class | IP20 (for use in control cabinets) |
| Short-Circuit Protection | Yes, via internal fuse (electronic) |
| Overload Protection | Yes, automatic shutdown with thermal reset |
| Operating Temperature | -20°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | 72 mm x 90 mm x 55 mm |
| Weight | Approx. 120 g |
| Mounting | DIN rail (EN 60715) |
| Certifications | CE, UL, cUL, GL, cCSAus, FM |
| Application | Building automation, conveyor control, lighting systems, small machinery |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22