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Product Introduction
The Schneider Electric BMXFTB2020 is a 20-pin removable spring terminal block designed for use with the Modicon M340 Programmable Automation Controllers (PACs). As part of Schneider’s extensive automation and control lineup, this terminal block offers a reliable and compact connection interface between I/O modules and field wiring. The tool-free spring-type connections ensure fast and secure wiring, reducing installation time while maintaining strong vibration resistance—essential for demanding industrial applications.
The BMXFTB2020 is widely used in control cabinets where modularity and maintenance efficiency are critical. With its removable design, engineers can replace or maintain modules without rewiring the entire terminal, improving operational uptime and reducing downtime during field servicing.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | BMXFTB2020 |
| Product Type | Removable Spring Terminal Block |
| Number of Terminals | 20 pins |
| Connection Type | Spring clamp (spring terminal) |
| Mounting Type | DIN rail mounting |
| Compatible With | Modicon M340 PAC modules |
| Connector Type | Removable front terminal block |
| Wiring Capacity | 1 x 0.25…1.5 mm² (solid or flexible) |
| Insulation Resistance | ≥ 100 MΩ @ 500V DC |
| Withstand Voltage | 500 V AC (for 1 minute) |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Standards Compliance | IEC 61131-2, EN 61131-2 |
| Color | Black/Grey |
| Dimensions (W x H x D) | 91.4 x 41.8 x 32 mm |
| Weight | 0.093 kg |
Applications
The BMXFTB2020 terminal block is highly versatile and applicable in a broad range of industrial automation environments. Common use cases include:
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Factory Automation: Efficient connection interface between sensors, actuators, and the controller in discrete and process automation.
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Water and Wastewater Management Systems: Used in control panels to manage pumps, valves, and monitoring equipment.
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Energy Sector: Applied in substation automation, metering, and renewable energy systems like solar or wind farms.
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Material Handling Systems: Employed in conveyor controls and warehouse automation.
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Transportation Systems: Found in rail automation and traffic control cabinets for reliable and quick-connect interfaces.
Advantages
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Tool-Free Wiring: Spring-clamp terminals allow fast and secure connections without the need for screwdrivers or torque adjustments.
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Removability: Entire terminal block can be removed for maintenance or module replacement without disturbing the wiring.
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Compact Size: Saves panel space while maintaining high wiring density and modular flexibility.
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Secure Connection: Vibration-resistant spring technology ensures long-term reliability in harsh environments.
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Reduced Downtime: Ideal for applications requiring fast module replacement and high system availability.
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Schneider Quality: Engineered to meet high-quality standards with full compatibility across the Modicon M340 ecosystem.
Frequently Asked Questions (FAQ)
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What is the main function of the BMXFTB2020?
It serves as a 20-pin removable terminal block for connecting I/O module signals in Modicon M340 controllers. -
Is the terminal block spring or screw type?
The BMXFTB2020 uses spring clamp terminals for faster and tool-free wiring. -
Can I use it with other PLC models?
While it’s designed for M340 series, compatibility with other models may require confirmation with Schneider Electric support. -
What wire sizes can it accommodate?
It supports wires from 0.25 mm² to 1.5 mm², both solid and flexible. -
Is it suitable for high-vibration environments?
Yes, spring terminals are inherently resistant to vibration-induced loosening, making it ideal for such conditions. -
How do I mount the BMXFTB2020?
It mounts easily on a DIN rail, directly attaching to the I/O module. -
Is the block removable without disconnecting wires?
Yes, the entire terminal block can be detached while keeping the wiring intact. -
What are the typical industries where it’s used?
Common industries include manufacturing, energy, water treatment, and transportation. -
Does it comply with international standards?
Yes, it meets IEC 61131-2 and other relevant electrical safety standards. -
Does this terminal block support shielded cables?
The BMXFTB2020 itself does not have dedicated shielding support, but it can be used alongside grounding/shielding accessories in the control cabinet.
Related Models (Same Series or Functionally Similar)
| Model | Description | Number of Pins | Terminal Type | Compatible PLC |
|---|---|---|---|---|
| BMXFTB2010 | 10-pin removable spring terminal block | 10 | Spring | Modicon M340 |
| BMXFTB2021 | 20-pin removable screw terminal block | 20 | Screw | Modicon M340 |
| BMXFTB2820 | 20-pin removable spring terminal with shield | 20 | Spring | Modicon M340 |
| BMXFTA150 | Pre-wired cable terminal block adapter | – | Pre-wired | M340 / Premium |
| BMXCPS2010 | Power supply module terminal block | – | Power | Modicon M340 |
| BMXFTB2013 | 13-pin removable terminal block | 13 | Spring | Modicon M340 |
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