1SNA199452R2500 – M4/6D2SIR

Why Choose the TE Connectivity M4/6.D2.S1R Disconnect Terminal?

The TE Connectivity M4/6.D2.S1R is a compact double-deck disconnect terminal block designed for reliable electrical connections, circuit isolation and switching in industrial control panels, automation systems and instrumentation applications. Identified by manufacturer part number 1SNA199452R2500, this grey and black terminal block features screw-clamp connections and a pull-lever disconnect mechanism in a space-saving two-level configuration.

As part of the TE Connectivity Entrelec SNA screw-clamp terminal block range, the M4/6.D2.S1R is designed for applications where convenient circuit disconnection and efficient use of DIN rail space are important. The changeover-type disconnect function allows the circuit to be operated through the terminal while providing a practical solution for testing, commissioning and maintenance.

The M4/6.D2.S1R has a 6 mm spacing, a 10 A rated current and a 500 V rated voltage. It has a 4 mm² rated cross-section, accepts conductors from 0.2–4 mm² and is suitable for G32, TH35-7.5 and TH35-15 DIN rails.

Key Advantages

• Compact double-deck disconnect terminal block for high-density control panels.
• Pull-lever disconnect mechanism provides convenient circuit isolation.
• Changeover-type configuration supports flexible circuit switching arrangements.
• 10 A rated current for suitable industrial control and instrumentation circuits.
• 500 V rated voltage for industrial electrical applications.
• 6 mm spacing helps maximise available DIN rail space.
• Screw-clamp connections accept conductors from 0.2–4 mm².
• Two connected levels provide multiple connection points within a compact footprint.
• Suitable for G32, TH35-7.5 and TH35-15 DIN rails.

Key Features

• TE Connectivity Entrelec SNA screw-clamp terminal block.
• M4/6.D2.S1R disconnect configuration.
• Two-level double-deck design.
• Pull-lever disconnect mechanism.
• Changeover-type function.
• Three clamping positions per level.
• 6 mm terminal width.
• 10 A rated current.
• 500 V rated voltage.
• Grey and black housing.
• Manufacturer part number 1SNA199452R2500.
• Flexible and rigid conductor capacity of 0.2–4 mm².
• 6000 V rated impulse withstand voltage.
• 2500 V dielectric test voltage.
• IP20 protection at the main terminals.
• UL94 V0 flammability rating.

Space-Saving Disconnect and Switching for Industrial Control

The TE Connectivity M4/6.D2.S1R combines a pull-lever disconnect mechanism with a double-deck screw-clamp terminal design. The changeover-type configuration provides a practical means of controlling and isolating circuits during electrical testing, commissioning and maintenance.

The two-level construction provides multiple connection points within a 6 mm wide terminal footprint, helping reduce the DIN rail space required in high-density control cabinets. The SNA screw-clamp connection system accepts conductors from 0.2–4 mm² and is suitable for demanding industrial environments with an operating temperature range of -55 to +110 °C.

Typical Applications

• Industrial electrical control panels.
• Machine building and industrial automation.
• Process control and instrumentation systems.
• Electrical testing and commissioning.
• Control cabinet maintenance and fault finding.
• DIN rail control and distribution systems.
• High-density wiring applications requiring disconnect and changeover functionality.