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1sna115184r0400 – block m4/6 dd1
TE Connectivity 1SNA115184R0400 Entrelec M4/6.DD1 is a 20 A, 500 V DIN rail screw-clamp component-holder terminal block with integrated diode functionality for industrial control and automation circuits.
£5.43
Why Choose the TE Connectivity 1SNA115184R0400 M4/6.DD1 Terminal Block?
The TE Connectivity 1SNA115184R0400, also identified as the Entrelec M4/6.DD1, is a compact DIN rail-mounted component-holder terminal block with diode functionality designed for control, signalling and automation circuits. As part of the established Entrelec SNA screw-clamp terminal block series, it combines dependable conductor termination with integrated component functionality in a space-saving modular format.
The M4/6.DD1 uses robust screw-clamp connections and provides a four-position, two-level connected configuration. Its integrated diode function makes it particularly suitable for control and interface circuits where directional current flow, signal isolation or protection is required without installing separate discrete components elsewhere in the panel.
With an IEC rated current of 20 A, a 500 V IEC voltage rating and support for conductors from 0.2–4 mm², the 1SNA115184R0400 provides a versatile connection point for industrial wiring. Its compact 6 mm width allows efficient use of DIN rail space in electrical control cabinets and machinery panels.
Key Advantages
- Compact component-holder terminal block with integrated diode functionality.
- 20 A IEC rated current for industrial control and signalling circuits.
- 500 V IEC rated voltage and 600 V UL voltage rating.
- Accepts conductors from 0.2–4 mm².
- Reliable screw-clamp connection technology.
- Only 6 mm wide for space-efficient DIN rail installations.
Key Features
- TE Connectivity / Entrelec M4/6.DD1 terminal block.
- Part of the Entrelec SNA screw-clamp terminal range.
- Integrated diode for component-holder applications.
- Four connection positions with two connected levels.
- 4 mm² rated cross-section.
- 20 A IEC current rating.
- 500 V IEC rated voltage.
- 600 V UL voltage rating.
- 8.5 mm wire stripping length.
- UL94 V-0 polyamide insulating housing.
Integrated Diode Connections for Industrial Control Circuits
Component terminal blocks such as the TE Connectivity Entrelec M4/6.DD1 combine conventional conductor termination with an integrated electrical component. The built-in diode can support control and signalling applications requiring directional current flow or circuit isolation while reducing the need for separately mounted components and additional panel wiring.
The SNA terminal system is designed for modular industrial panel construction. The M4/6.DD1 combines compact dimensions, screw-clamp connections and compatibility with common DIN rail formats, making it well suited to machinery, PLC cabinets and process-control systems where reliable and serviceable connections are required.
Typical Applications
- PLC input and output circuits.
- Industrial electrical control panels.
- Signal isolation and diode circuits.
- Machine-building and OEM automation equipment.
- Process-control and instrumentation systems.
- DIN rail-mounted component and terminal assemblies.
Technical Specifications
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| Number of Levels | 2 | |
|---|---|---|
| Connection | Screw clamp | |
| Terminal Type | Component (diode/LED) | |
| Conductor Size | 4 mm² | |
| Product Series | TE SNA | |
| Colour | Grey | |
| Manufacturer | TE Connectivity / Entrelec | |
| Series | SNA | |
| Model | M4/6.DD1 | |
| Manufacturer part number | 1SNA115184R0400 | |
| Product type | Component-holder DIN rail terminal block | |
| Function | Diode terminal | |
| Connection technology | Screw clamp | |
| Number of positions | 4 | |
| Number of levels | 2, connected | |
| Rated cross-section | 4 mm² | |
| Conductor range | 0.2–4 mm² | |
| AWG conductor range | 12–22 AWG | |
| Rated current (IEC) | 20 A | |
| Rated voltage (IEC) | 500 V | |
| Rated voltage (UL) | 600 V | |
| Wire stripping length | 8.5 mm | |
| Recommended screwdriver | 4 mm | |
| Tightening torque | 0.5 N·m IEC / 0.6 N·m manufacturer specification | |
| Terminal width | 6 mm | |
| Dimensions (H × W × D) | approx. 65.5 × 6 × 52 mm | |
| Insulation material | Polyamide | |
| Flammability rating | UL94 V-0 | |
| Colour | Grey | |
| Operating temperature | -55–110 °C | |
| Mounting type | DIN rail | |
| Compatible DIN rails | G32, TH35-7.5 and TH35-15 | |
| Pack quantity | 50 pieces | |
| EAN | 3472591151848 |
Frequently Asked Questions
What is the TE Connectivity 1SNA115184R0400 used for?
The 1SNA115184R0400 is an M4/6.DD1 DIN rail component-holder terminal block with an integrated diode, designed for industrial control, signalling and automation circuits.
What current and voltage is the M4/6.DD1 rated for?
The terminal block has an IEC rated current of 20 A and an IEC rated voltage of 500 V, with a UL voltage rating of 600 V.
What conductor sizes can the 1SNA115184R0400 accept?
The terminal supports conductors from approximately 0.2–4 mm², equivalent to a listed AWG range of 12–22 AWG.
Does the M4/6.DD1 include a diode?
Yes. The M4/6.DD1 incorporates diode functionality, allowing component functions to be integrated directly into the DIN rail terminal assembly.
Where is this terminal block typically installed?
It is typically mounted on DIN rail inside electrical control cabinets, PLC panels, industrial machinery and automation systems where compact component and signal connections are required.
Trusted Industrial Connection Technology
TE Connectivity Entrelec SNA terminal blocks provide modular connection solutions for industrial control and automation systems, combining secure screw-clamp termination with specialised component functions for efficient panel construction.
