0TB2105.9110 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 0TB2105.9110 is part of the 0TB Terminal Blocks series and features a push-in terminal style with a 5.08 mm pitch. This terminal block supports up to 2.50 mm² copper wires, has 5 pins in a single row, and is rated for 10 amps per contact at 300 volts.
Internal Product Review
The 0TB2105.9110 is a B & R Automation terminal block with a push-in terminal style and 5 pins. Copper conductor compatibility and contact resistance of ≤5 mΩ support clean electrical performance and dependable connections. Nominal ratings of 10 A per contact and 300 V make the unit a strong choice for control wiring.
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Product Description:
The 0TB2105.9110 terminal block is produced by B & R Automation within the 0TB Terminal Blocks series. It is a panel-mounted component that routes field wiring to control equipment inside industrial enclosures, where orderly terminations help separate sensors, switches, and low-power auxiliary circuits. The unit snaps onto standard DIN rail, creating a rigid yet compact connection point for discrete signals and low-power supply lines in modular cabinet layouts. By isolating each conductor in a dedicated contact, the block allows individual circuits to be checked or changed without disturbing neighboring terminations, which helps keep cable routing orderly inside automation cabinets.
The conductive path inside each position is made of copper, giving low resistive losses and good fatigue life under repeated insertions. Contact resistance is rated at ≤5 mΩ, so voltage drop across the junction remains minimal even at full load. Each channel can carry up to 10 A per contact, which suits typical sensor power and small actuator currents, while the insulation system withstands 300 V for control-level circuits. A terminal pitch of 5.08 mm spaces the conductors evenly and balances connection density with creepage requirements. Wire insertion uses a push-in spring cage, which permits toolless mounting of solid or ferruled strands and provides vibration-resistant retention once seated. The spring mechanism applies consistent clamping force without a screw, which helps the connection remain secure during normal machine vibration.
The block contains one row with a pin allocation of 5, so five isolated circuits terminate in a single module. It accepts solid or stranded cable up to 2.50 mm², which covers most field signal and auxiliary power leads used in control panels. Prefabricated ferrules may be crimped to a maximum sleeve cross-section of 1.50 mm², keeping the spring clamp engaged on the conductor rather than the insulation. The single-row format also keeps adjacent circuits visibly separated, which helps when tracing wiring in compact distributed I/O assemblies and other low-current panel applications.
