Why Choose the TE Connectivity M4/6.D2 White Double-Deck Terminal Block?
The TE Connectivity M4/6.D2, manufacturer part number 1SNA105046R2300, is a white 4 mm² double-deck feed-through terminal block from the ENTRELEC SNA range. Designed for high-density industrial wiring, it provides 2 independent circuits across 2 levels and 4 conductor connection points while occupying only 6 mm of DIN rail width.
The M4/6.D2 uses established screw-clamp termination technology and carries IEC ratings of 32 A and 800 V. It accepts flexible conductors from 0.22–4 mm² and rigid stranded conductors from 0.2–4 mm², making it a versatile terminal for signal, control and industrial electrical circuits.
Its Polyamide 6.6 housing provides IP20 protection and a UL94 V-0 flammability rating, with an operating temperature range of -55 to +110 °C. Compatibility with G32, TH35-7.5 and TH35-15 DIN rails allows the terminal to be incorporated into a wide variety of control-panel and machine-building installations.
Key Advantages
- Double-deck construction provides two independent circuits in a compact terminal footprint.
- Only 6 mm wide, helping maximise wiring density on the DIN rail.
- High 32 A / 800 V IEC rating for demanding industrial applications.
- 4 mm² conductor capacity accommodates a useful range of industrial wiring sizes.
- Proven screw-clamp connections provide secure and serviceable conductor termination.
- White housing enables clear visual differentiation of circuits and terminal groups.
Key Features
- TE Connectivity / Entrelec SNA Series.
- M4/6.D2 white double-deck terminal block.
- 2 independent circuits across 2 levels.
- 4 poles and 2 positions.
- 6 mm pitch / product width.
- 32 A rated current to IEC.
- 800 V rated voltage to IEC.
- 4 mm² wire size.
- 480 A short-time withstand current for 1 s.
- 8,000 V IEC impulse withstand voltage.
- IP20 protection.
- Polyamide 6.6 housing with UL94 V-0 flammability rating.
High-Density Double-Deck Terminal Connections
Double-deck terminal blocks increase wiring density by placing two independent circuits vertically within a single terminal position. The TE Connectivity M4/6.D2 provides this functionality in a compact 6 mm width, making it particularly useful where control cabinets contain large numbers of signal or control connections but available DIN rail space is limited.
The terminal combines its two-level architecture with robust screw-clamp connections, a 4 mm² conductor size and IEC electrical ratings of 32 A at 800 V. Its white housing also allows panel builders to visually distinguish selected circuits or wiring groups from terminals of other colours within a larger assembly.
Typical Applications
- Industrial electrical control panels.
- High-density PLC and automation wiring.
- Signal and control circuit termination.
- Machine building and OEM equipment.
- Process-control and instrumentation systems.
- Switchgear and industrial electrical assemblies.
