1sna631003r2700 – (int)b20m-32-l

Why Choose the TE Connectivity B20M-32-L 1SNA631003R2700 Connecting Interface?

The TE Connectivity B20M-32-L 1SNA631003R2700, also designated B2OM-32-L, is a compact 32-channel single-wire connecting interface with LED indication from the ENTRELEC Interfast range. It is designed to simplify connections between automation equipment and field wiring while providing clear visual channel status within industrial control panels.

This interface uses a 2 × 20-pole Omniconnect connection together with screw-clamp field terminals, allowing multiple control signals to be routed through a structured, serviceable DIN-rail module. The integrated LED functionality distinguishes the B20M-32-L from the non-LED B20M-32 version and makes signal-state identification easier during commissioning, diagnostics and maintenance.

Designed for installation on G32, TH35-7.5 and TH35-15 DIN rails, the B20M-32-L measures approximately 74.5 × 112 × 52 mm and weighs approximately 290 g. Its high-density 32-channel architecture makes it well suited to PLC interfaces, machinery and automation cabinets where compact wiring and rapid fault finding are important.

Key Advantages

• High-density 32-channel single-wire interface for automation systems.
• Integrated LED indication assists commissioning and diagnostics.
• 2 × 20-pole Omniconnect interface provides structured multi-channel connectivity.
• Combination of pluggable and screw-clamp connections simplifies panel wiring.
• Compatible with common G32 and 35 mm DIN rails.
• Compact construction helps reduce wiring complexity and cabinet space requirements.

Key Features

• TE Connectivity ENTRELEC Interfast connecting interface.
• B20M-32-L / B2OM-32-L model designation.
• 32-channel single-wire configuration.
• Integrated LED channel indication.
• 2 × 20-pole Omniconnect connector.
• Pluggable to screw-clamp connection technology.
• 10 mm wire stripping length.
• Recommended screwdriver width of 3.5 mm.
• UL94 V-0 flammability classification.
• Suitable for G32, TH35-7.5 and TH35-15 DIN rails.

Efficient PLC Wiring with Visual Signal Indication

Interfast connecting interfaces provide a structured transition between multi-channel PLC or control-system connections and individual field wiring. By concentrating numerous signals into one modular DIN-rail assembly, they can significantly reduce point-to-point wiring while improving accessibility for installation, testing and maintenance.

The B20M-32-L adds integrated LED indication to this approach, enabling technicians to identify active signal states directly at the interface module. This makes the unit particularly useful in control systems where rapid troubleshooting, clear status indication and high connection density are required.

Typical Applications

• PLC input and output interface wiring.
• Industrial automation control panels.
• Machine-building electrical systems.
• Process-control installations.
• Sensor and actuator signal distribution.
• Diagnostics and status-monitored control circuits.