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1sna399931r2500 – d4/6,d1,p,ado
TE Connectivity / Entrelec 1SNA399931R2500 D4/6.D1.P.ADO is a 6 mm wide two-level green/yellow DIN rail protective-earth terminal block from the SNA ADO range for reliable industrial grounding connections.
£4.17
Why Choose the TE Connectivity / Entrelec D4/6.D1.P.ADO 1SNA399931R2500 Ground Terminal Block?
The TE Connectivity / Entrelec D4/6.D1.P.ADO 1SNA399931R2500 is a compact two-level DIN rail ground terminal block designed to provide reliable protective-earth connections in industrial control panels, machinery and electrical distribution systems. Part of the established Entrelec SNA ADO terminal block range, it combines space-saving construction with dependable conductor termination for professional panel-building applications.
The D4/6.D1.P.ADO incorporates Entrelec ADO connection technology and a secure rail contact for dependable grounding. Its two-deck construction helps reduce the amount of DIN rail space required inside densely populated control cabinets, while the green/yellow housing provides immediate identification of the protective-earth function.
With a compact width of 6 mm, height of 85.3 mm and depth of approximately 68 mm, the 1SNA399931R2500 is well suited to space-conscious industrial installations. It accepts rigid conductors from 0.2–4 mm² and flexible conductors from 0.22–4 mm², providing flexibility for a wide range of control and power wiring applications.
Key Advantages
- Compact two-level protective-earth terminal block for industrial control panels.
- Space-saving 6 mm terminal width for high-density DIN rail installations.
- Entrelec ADO connection technology provides fast and dependable conductor termination.
- Secure rail contact provides a reliable protective-earth connection.
- Green/yellow housing enables immediate identification as a grounding terminal.
- Suitable for rigid conductors up to 4 mm².
- Wide -55 to +110 °C operating temperature range for demanding industrial environments.
Key Features
- TE Connectivity / Entrelec SNA ADO series.
- D4/6.D1.P.ADO two-level ground terminal configuration.
- Protective-earth terminal with green/yellow insulation housing.
- 6 mm width for compact DIN rail assemblies.
- Rigid conductor capacity of 0.2–4 mm².
- Flexible conductor capacity without ferrule of 0.22–4 mm².
- Two clamping positions per level.
- Thermoplastic insulating body for industrial durability.
Reliable Grounding for Industrial Control Panels
Protective-earth terminal blocks provide a low-resistance connection between electrical conductors and the DIN rail grounding system. This is essential for maintaining electrical safety and helping conductive equipment enclosures and machine components remain correctly bonded to protective earth.
The Entrelec SNA ADO range is designed for efficient industrial wiring and compact panel construction. The D4/6.D1.P.ADO combines a two-level format with ADO termination technology and a secure rail connection, making it particularly suitable for machine builders, control-panel manufacturers and industrial automation engineers requiring dependable grounding in limited cabinet space.
Typical Applications
- Industrial electrical control panels.
- Protective-earth and grounding circuits.
- Machine building and OEM automation systems.
- PLC and process-control cabinets.
- Electrical distribution and switchgear assemblies.
- Manufacturing and production equipment.
Technical Specifications
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| Number of Levels | 2 | |
|---|---|---|
| Product Series | TE SNA ADO | |
| Connection | IDC (ADO) | |
| Terminal Type | Earth (PE) | |
| Conductor Size | 4 mm² | |
| Colour | Green/Yellow | |
| Manufacturer | TE Connectivity / Entrelec | |
| Series | SNA ADO | |
| Model | D4/6.D1.P.ADO | |
| Manufacturer part number | 1SNA399931R2500 | |
| Product type | DIN rail protective-earth terminal block | |
| Terminal configuration | 2-level ground terminal | |
| Number of levels | 2 | |
| Clamping positions per level | 2 | |
| Rigid conductor range | 0.2–4 mm² | |
| Flexible conductor range without ferrule | 0.22–4 mm² | |
| Flexible conductor with ferrule | 1.5 mm² | |
| Insulating material | Thermoplastic | |
| Colour | Green / yellow | |
| Operating temperature | -55 to +110 °C | |
| Width | 6 mm | |
| Height | 85.3 mm | |
| Depth | 68 mm | |
| Weight | approx. 23 g | |
| Mounting type | DIN rail | |
| Pack quantity | 50 | |
| EAN | 3472593999318 |
Frequently Asked Questions
What is the TE Connectivity / Entrelec 1SNA399931R2500 used for?
The 1SNA399931R2500 is a protective-earth DIN rail terminal block used to connect grounding conductors to the DIN rail in industrial control panels, machinery and electrical installations.
What conductor sizes can the D4/6.D1.P.ADO accept?
The terminal accepts rigid conductors from 0.2–4 mm² and flexible conductors without ferrules from 0.22–4 mm².
What type of terminal block is the 1SNA399931R2500?
It is a two-level protective-earth terminal block from the Entrelec SNA ADO range, designed for DIN rail mounting in industrial electrical assemblies.
What are the dimensions of the D4/6.D1.P.ADO?
The terminal block is approximately 85.3 mm high, 6 mm wide and 68 mm deep, making it suitable for compact, high-density panel installations.
Why is the terminal block green and yellow?
The green/yellow colour identifies the terminal as a protective-earth connection, allowing grounding terminals to be quickly recognised within an electrical control panel.
Trusted by Panel Builders Worldwide
TE Connectivity / Entrelec SNA ADO terminal blocks are designed for professional industrial wiring applications where compact installation, reliable connections and efficient panel assembly are essential.
