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1sna399030r0500 – d2.5/5 p ado
TE Connectivity 1SNA399030R0500 D2.5/5 P ADO is a 5 mm green/yellow DIN rail ground terminal block combining ADO System screwless technology with a conventional screw-clamp connection.
£3.54
Why Choose the TE Connectivity 1SNA399030R0500 D2.5/5 P ADO Ground Terminal Block?
The TE Connectivity 1SNA399030R0500, also identified as D2.5/5 P ADO, is a compact DIN rail ground terminal block designed for protective-earth connections in industrial control panels, machinery and electrical distribution systems. Part of the established Entrelec SNA terminal block range, it combines ADO System® connection technology with a conventional screw clamp for dependable and space-efficient wiring.
The D2.5/5 P ADO uses a screwless, non-operator-dependent contact to the DIN rail, helping provide a consistent protective-earth connection while simplifying installation. Its hybrid ADO/screw arrangement gives panel builders the benefits of rapid connection technology alongside the familiarity and flexibility of a standard screw clamp.
With a compact 5 mm terminal spacing, green/yellow protective-earth identification and compatibility with TH35-7.5 and TH35-15 DIN rails, the 1SNA399030R0500 is well suited to densely populated industrial enclosures where reliable earthing and efficient use of panel space are essential.
Key Advantages
- Purpose-designed protective-earth terminal block for industrial control panels.
- Combines ADO System® and screw-clamp connection technologies.
- Screwless rail contact provides consistent, non-operator-dependent grounding.
- Compact 5 mm spacing helps maximise terminal density.
- Supports up to 2 wires per ADO connection.
- Compatible with standard TH35 DIN rail systems.
Key Features
- TE Connectivity / Entrelec SNA series.
- D2.5/5 P ADO ground terminal configuration.
- Green/yellow protective-earth identification.
- 5 mm terminal width for high-density installations.
- ADO System® screwless connection combined with standard screw clamp.
- Flexible conductor capacity from 0.22–1 mm² on the specified connection.
- Rigid conductor capacity up to 4 mm² on the screw clamp.
- IP20 protection at the main terminals.
Reliable Grounding for Industrial Control Panels
Protective-earth terminal blocks provide a dedicated low-impedance path between connected conductors and the grounded DIN rail. The TE Connectivity D2.5/5 P ADO is designed to make this connection dependable while reducing the effect of installation technique through its screwless rail contact.
Its combination of ADO System® technology and a conventional screw clamp makes it particularly useful for control-panel builders who require compact wiring, secure protective-earth continuity and compatibility with commonly used DIN rail infrastructure.
Typical Applications
- Industrial control and automation panels.
- Machine-building electrical cabinets.
- Protective-earth and grounding circuits.
- Process control and instrumentation systems.
- Electrical distribution enclosures.
- OEM machinery 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 | 2.5 mm² | |
| Colour | Green/Yellow | |
| Manufacturer | TE Connectivity | |
| Brand / range | Entrelec SNA | |
| Model | D2.5/5 P ADO | |
| Manufacturer part number | 1SNA399030R0500 | |
| Product type | Ground / protective-earth DIN rail terminal block | |
| Connection technology | ADO System® / screw clamp | |
| Colour | Green / yellow | |
| Terminal spacing | 5 mm | |
| Flexible conductor range | 0.22–1 mm² | |
| Rigid conductor range | 0.2–4 mm² | |
| Wire stripping length | 9.5 mm | |
| DIN rail compatibility | TH35-7.5 and TH35-15 | |
| Protection rating | IP20 | |
| IEC tightening torque | 0.4 N·m | |
| Manufacturer maximum tightening torque | 0.6 N·m | |
| Short-time withstand current | 120 A for 1 s | |
| Dimensions (W × H × D) | approximately 5 × 50 × 41 mm | |
| Weight | approximately 9 g |
Frequently Asked Questions
What is the TE Connectivity 1SNA399030R0500 used for?
The 1SNA399030R0500 is a protective-earth DIN rail terminal block used to connect grounding conductors securely to the DIN rail in industrial electrical panels.
What connection technology does the D2.5/5 P ADO use?
It combines ADO System® screwless connection technology with a conventional screw clamp, providing both rapid connection and flexible field wiring.
What conductor sizes can this terminal accept?
The terminal supports flexible conductors from approximately 0.22–1 mm² and rigid conductors from 0.2–4 mm² on the applicable connection points.
Which DIN rails are compatible with the 1SNA399030R0500?
The D2.5/5 P ADO is designed for mounting on TH35-7.5 and TH35-15 DIN rails in accordance with IEC 60715.
Why is the terminal green and yellow?
The green/yellow colour coding identifies the terminal as a protective-earth or grounding connection in industrial electrical installations.
Trusted by Industrial Panel Builders
TE Connectivity Entrelec SNA terminal blocks are widely used in industrial control and automation systems where compact installation, reliable electrical connections and dependable protective-earth continuity are essential.
