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Siemens 3SB3400-0B
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3SB3400-0B contact block is meticulously engineered for seamless integration within industrial control panels and operator interfaces. This component, part of Siemens' esteemed 3SB3 series, delivers exceptional reliability and precision across a multitude of switching and control applications in demanding automation settings. Its robust construction and secure connections ensure consistent performance, contributing significantly to the efficiency and safety of your industrial operations. The 3SB3400-0B stands out for its straightforward installation and enduring operational integrity, making it an essential asset for modern industrial setups where every connection counts.Designed with practicality at its core, this contact block features a single Normally Open (NO) contact, providing a clear and dependable signal for various control functions. The inclusion of screw terminals simplifies wiring, offering a secure and lasting electrical connection that withstands vibrations and environmental stressors common in industrial environments. Its compact form factor further optimizes space utilization within crowded enclosures, making it an ideal solution for upgrading existing systems or designing new, more efficient control architectures. The Siemens 3SB3400-0B exemplifies Siemens' dedication to quality, innovation, and operational excellence.Key Features Single Normally Open (NO) Contact: Provides a dependable switching interface for critical control signaling. Secure Screw Terminals: Guarantees robust and simplified wiring for enduring, high-integrity electrical connections. Effortless Front Plate Mounting: Designed for quick and secure integration into standard control panels and operator devices. Compact and Space-Saving Design: Maximizes panel density, allowing for more components in smaller industrial enclosures. Wide Operating Temperature Range: Certified for reliable performance from -25°C to +70°C, ensuring stability in diverse industrial climates. High Rated Voltage Capacity: Capable of handling up to 400V AC, suitable for a broad spectrum of industrial power requirements. Enhanced Surge Voltage Resistance: Withstands surges up to 4 kV, protecting connected equipment from electrical transients. Technical Specifications Product Type: Contact Block Model: Siemens 3SB3400-0B Contact Configuration: 1 Normally Open (NO) Terminal Type: Screw Terminal Mounting Method: Front Plate Mounting Rated Operational Voltage: Up to 400V AC Rated Operational Current: Up to 10A Insulation Voltage: 400V Protection Rating (Terminals): IP20 Surge Voltage Resistance: 4 kV Operating Temperature Range: -25°C to +70°C Dimensions (H x W x D): 36.5 mm x 10 mm x 20 mm Net Weight: Approximately 0.011 kg Compliance: Designed and manufactured to meet stringent international industrial standards. Applications Industrial Control Panels: Essential for reliable switching functions within comprehensive control and automation interfaces. Machinery & Equipment Controls: Ideal for integrating into various industrial machines requiring precise Normally Open contact operations. Building Automation Systems: Enhances the functionality of automated building management and safety systems. Process Automation: Crucial for monitoring and controlling sequences in manufacturing and processing plants. Emergency Stop Circuits: Can be configured for safety-critical applications requiring clear state indication. HVAC Systems: Used for controlling fans, pumps, and other related components in heating, ventilation, and air conditioning setups. Why Choose This Model? Unwavering Siemens Quality: Benefit from Siemens' century-long reputation for producing highly reliable and durable industrial components. Optimized for Industrial Use: Specifically designed to withstand challenging industrial environments, ensuring long-term operational stability. Streamlined Installation: Screw terminals and front plate mounting significantly reduce installation time and complexity. Order NowEnhance your industrial systems with the Siemens 3SB3400-0B Contact Block. Explore our inventory and place your order today to leverage Siemens' renowned quality and performance.FAQWhat is the primary function of the Siemens 3SB3400-0B Contact Block?Its primary function is to provide a reliable switching interface, specifically through a single Normally Open (NO) contact, for various control and signaling applications within industrial environments.What type of terminal connection does this contact block utilize?The Siemens 3SB3400-0B features secure screw terminals, which simplify wiring and ensure robust, high-integrity electrical connections.What is the operating temperature range for this component?This contact block is certified for reliable performance across a wide operating temperature range, from -25°C to +70°C, making it suitable for diverse industrial climates.
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Siemens 3SB3400-0B
Overview
This is a genuine Siemens component. 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
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
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Type: Contact Block
- Model: Siemens 3SB3400-0B
- Contact Configuration: 1 Normally Open (NO)
- Terminal Type: Screw Terminal
- Mounting Method: Front Plate Mounting
- Rated Operational Voltage: Up to 400V AC
- Rated Operational Current: Up to 10A
- Insulation Voltage: 400V
- Protection Rating (Terminals): IP20
- Surge Voltage Resistance: 4 kV
- Operating Temperature Range: -25°C to +70°C
- Dimensions (H x W x D): 36.5 mm x 10 mm x 20 mm
- Net Weight: Approximately 0.011 kg
- Compliance: Designed and manufactured to meet stringent international industrial standards.
Applications
- Industrial Control Panels: Essential for reliable switching functions within comprehensive control and automation interfaces.
- Machinery & Equipment Controls: Ideal for integrating into various industrial machines requiring precise Normally Open contact operations.
- Building Automation Systems: Enhances the functionality of automated building management and safety systems.
- Process Automation: Crucial for monitoring and controlling sequences in manufacturing and processing plants.
- Emergency Stop Circuits: Can be configured for safety-critical applications requiring clear state indication.
- HVAC Systems: Used for controlling fans, pumps, and other related components in heating, ventilation, and air conditioning setups.
Why Choose the 3SB3400-0B?
- Unwavering Siemens Quality: Benefit from Siemens' century-long reputation for producing highly reliable and durable industrial components.
- Optimized for Industrial Use: Specifically designed to withstand challenging industrial environments, ensuring long-term operational stability.
- Streamlined Installation: Screw terminals and front plate mounting significantly reduce installation time and complexity.
Availability & Shipping
- ▸In stock: 3SB3400-0B 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 3SB3400-0B 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.
Related Siemens resources
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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.