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Siemens 6ED1055-4MH08-0BA1
by Siemens
Read verified buyer reviews ↓OverviewEnhance the automation capacity of your systems with the Siemens 6ED1055-4MH08-0BA1 LOGO! DM8 24R Expansion Module. This crucial component effortlessly integrates into your current LOGO! 8 logic controllers, significantly boosting their input and output functionality. Engineered for precision and dependability, the 6ED1055-4MH08-0BA1 provides four robust digital inputs and four adaptable relay outputs, operating efficiently on a 24V DC power supply. Its streamlined, IP20-rated construction makes it perfect for various applications, including sophisticated building management systems, HVAC control, and light industrial automation.Key Features Increased I/O Capacity: Delivers 4 digital inputs (24V DC) and 4 relay outputs, substantially enhancing your LOGO! 8 system's potential. High-Current Relay Outputs: Each relay output offers a maximum switching capacity of 10A, enabling direct command of significant AC/DC loads. Smooth LOGO! 8 Compatibility: Specifically crafted as an expansion module for flawless compatibility and effortless integration with LOGO! 8 base units. Durable Protection: Boasts an IP20 protection class, guaranteeing dependable performance in typical industrial and commercial surroundings. Flexible Mounting: DIN rail mounting capability ensures rapid and secure setup within control cabinets and enclosures. Screw Terminal Connections: Provides straightforward and secure wiring for both inputs and outputs. Broad Operating Temperature: Functions reliably across a temperature spectrum of 0°C to +55°C, making it suitable for various demanding scenarios. Technical Specifications Part Number: 6ED1055-4MH08-0BA1 Series: LOGO! 8 Module Type: Expansion Module Digital Inputs: 4 (24V DC) Relay Outputs: 4 (AC/DC switching capability) Output Current: Max. 10A per relay Input Voltage Range: 20.4 to 28.8 V DC Relay Contact Rating: 250V AC / 30V DC, 10A max Connection Type: Screw terminals Mounting: DIN rail Protection Class: IP20 Dimensions (W x H x D): Approximately 72 x 90 x 55 mm Weight: Approximately 160 g Operating Temperature: 0°C to +55°C Certifications: CE, UL, RoHS compliant Response Time: Rapid input and output switching for accurate control. Applications Smart Building and HVAC Systems: Improve command over lighting, access, ventilation, and climate regulation in commercial and residential properties. Water Management and Pump Control: Automate water level monitoring, pump activation, and fluid transfer operations for greater efficiency and dependability. Energy Efficiency Solutions: Implement advanced energy-saving methods in building management and industrial operations, lowering operational costs. Compact Machine Automation: Perfect for small to medium-sized machinery requiring precise control and extended I/O capabilities. Traffic Light and Barrier Systems: Provides robust control for traffic management solutions and automated barrier systems. Environmental Monitoring: Connect with sensors for fundamental environmental data acquisition and automated reactions. Why Choose This Model?Unmatched Flexibility: Easily expand your LOGO! 8 system's I/O without the need for an entirely new controller, optimizing resources.Control High-Power Loads: The high-capacity relay outputs (10A) enable direct manipulation of a wider array of devices and machinery, streamlining wiring and reducing the need for intermediate relays.Space-Efficient Design: Its slender, compact form factor ensures seamless integration into existing control cabinets, maximizing spatial utilization.Trusted Siemens Reliability: Benefit from Siemens' renowned engineering and manufacturing excellence, guaranteeing sustained stable performance and resilience in demanding industrial settings.Simplified Installation: Designed for rapid and straightforward DIN rail mounting with user-friendly screw terminals, reducing installation duration and complexity.Global Compliance: With CE, UL, and RoHS certifications, this module meets diverse international standards for safety and environmental responsibility.Order NowUpgrade your automation infrastructure today with the Siemens 6ED1055-4MH08-0BA1 LOGO! DM8 24R Expansion Module. Experience the difference that enhanced control and flexibility can make.FAQWhat is the primary function of the Siemens 6ED1055-4MH08-0BA1?It expands the input and output capabilities of Siemens LOGO! 8 base modules, adding 4 digital inputs and 4 relay outputs.What kind of power supply does this module require?The module operates efficiently on a 24V DC power supply.Can this module handle high-current loads?Yes, its relay outputs have a maximum switching capacity of 10A, suitable for controlling substantial AC/DC loads directly.Is the module easy to install?Absolutely. It features DIN rail mounting and screw terminals for quick and secure installation and wiring.What environments is this module suitable for?With an IP20 protection class and a wide operating temperature range (0°C to +55°C), it is ideal for various industrial and commercial environments.
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Siemens 6ED1055-4MH08-0BA1
Overview
This is a genuine Siemens component from the Siemens PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside Siemens PLCs installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the Siemens PLCs family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Part Number: 6ED1055-4MH08-0BA1
- Series: LOGO! 8
- Module Type: Expansion Module
- Digital Inputs: 4 (24V DC)
- Relay Outputs: 4 (AC/DC switching capability)
- Output Current: Max. 10A per relay
- Input Voltage Range: 20.4 to 28.8 V DC
- Relay Contact Rating: 250V AC / 30V DC, 10A max
- Connection Type: Screw terminals
- Mounting: DIN rail
- Protection Class: IP20
- Dimensions (W x H x D): Approximately 72 x 90 x 55 mm
- Weight: Approximately 160 g
- Operating Temperature: 0°C to +55°C
- Certifications: CE, UL, RoHS compliant
- Response Time: Rapid input and output switching for accurate control.
Applications
- Smart Building and HVAC Systems: Improve command over lighting, access, ventilation, and climate regulation in commercial and residential properties.
- Water Management and Pump Control: Automate water level monitoring, pump activation, and fluid transfer operations for greater efficiency and dependability.
- Energy Efficiency Solutions: Implement advanced energy-saving methods in building management and industrial operations, lowering operational costs.
- Compact Machine Automation: Perfect for small to medium-sized machinery requiring precise control and extended I/O capabilities.
- Traffic Light and Barrier Systems: Provides robust control for traffic management solutions and automated barrier systems.
- Environmental Monitoring: Connect with sensors for fundamental environmental data acquisition and automated reactions.
Why Choose the 6ED1055-4MH08-0BA1?
Unmatched Flexibility: Easily expand your LOGO! 8 system's I/O without the need for an entirely new controller, optimizing resources.
Control High-Power Loads: The high-capacity relay outputs (10A) enable direct manipulation of a wider array of devices and machinery, streamlining wiring and reducing the need for intermediate relays.
Space-Efficient Design: Its slender, compact form factor ensures seamless integration into existing control cabinets, maximizing spatial utilization.
Trusted Siemens Reliability: Benefit from Siemens' renowned engineering and manufacturing excellence, guaranteeing sustained stable performance and resilience in demanding industrial settings.
Simplified Installation: Designed for rapid and straightforward DIN rail mounting with user-friendly screw terminals, reducing installation duration and complexity.
Global Compliance: With CE, UL, and RoHS certifications, this module meets diverse international standards for safety and environmental responsibility.
Availability & Shipping
- ▸In stock: 6ED1055-4MH08-0BA1 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 6ED1055-4MH08-0BA1 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.