TE Connectivity 1SNA163261R0000 AL3 is a 3 mm conducting test socket accessory designed to provide convenient electrical measurement access on compatible ENTRELEC SNA terminal blocks.
£0.40
The TE Connectivity AL3, manufacturer part number 1SNA163261R0000, is a compact 3 mm terminal block test socket designed for use with compatible ENTRELEC SNA terminal blocks. This conducting accessory provides a dedicated test point for electrical measurement, commissioning and maintenance without requiring the main field wiring to be disconnected.
The AL3 provides a 3 mm diameter test socket and is designed to integrate directly with compatible terminal blocks in the ENTRELEC SNA system. It enables technicians to establish an accessible measurement point within a terminal assembly, helping simplify voltage checks, diagnostics and fault finding in industrial control and distribution equipment.
With an individual weight of approximately 1.2 g, the AL3 is a small and practical panel accessory that adds test functionality without significantly increasing the size of the terminal assembly. It is supplied in packs of 50 pieces, making it suitable for panel builders, machine manufacturers and maintenance departments installing multiple test points.
Dedicated test sockets allow technicians to measure electrical conditions at terminal points without repeatedly disconnecting field conductors. The TE Connectivity AL3 adds a convenient 3 mm test interface to compatible SNA terminal blocks, supporting faster commissioning, inspection and troubleshooting while helping preserve the integrity of permanent wiring connections.
As a purpose-designed ENTRELEC accessory, the AL3 integrates neatly into compatible terminal assemblies and provides a professional alternative to improvised test connections. This makes it particularly useful in industrial panels and automation equipment where circuits require periodic measurement or diagnostic access throughout the service life of the installation.
| Manufacturer | TE Connectivity / ENTRELEC |
|---|---|
| Series | SNA Accessories |
| Model | AL3 |
| Manufacturer part number | 1SNA163261R0000 |
| Product type | Terminal block test socket |
| Accessory type | Conducting accessory |
| Function | Electrical test and measurement access |
| Test socket diameter | 3 mm |
| Test socket diameter (imperial) | 0.120 in |
| Compatibility | Compatible ENTRELEC SNA terminal blocks |
| Product weight | approx. 1.2 g |
| Pack quantity | 50 pieces |
| Barcode | 3472591632613 |
The AL3 is a terminal block test socket that provides a dedicated electrical access point for measurement, commissioning, diagnostics and maintenance on compatible ENTRELEC SNA terminal blocks.
The TE Connectivity AL3 has a 3 mm diameter test socket, equivalent to approximately 0.120 in.
The manufacturer catalogue identifies 1SNA163261R0000 as the AL3, with a 3 mm test socket. AL4 variants use different manufacturer part numbers.
A dedicated test socket allows technicians to access the electrical circuit for measurement without disturbing the main conductor connection, helping make commissioning and maintenance more efficient.
The TE Connectivity AL3 1SNA163261R0000 is supplied in packs of 50 pieces.
TE Connectivity ENTRELEC SNA test accessories provide panel builders, commissioning engineers and maintenance professionals with convenient circuit access for dependable measurement and diagnostics while preserving organised terminal block wiring.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...