TE Connectivity 1SNA164985R1000 is a Douille Ecrou socket nut accessory designed for compatible Entrelec ESSAILEC I-U-M test block assemblies used in electrical testing and measurement systems.
£3.73
The TE Connectivity 1SNA164985R1000, identified by the manufacturer as DOUILLE ECROU BLOC I-U-M, is a dedicated socket nut accessory for Entrelec ESSAILEC test blocks. It forms part of the specialist ESSAILEC connection system used for electrical testing, measurement and maintenance applications in protection, metering and control circuits.
Designed for ESSAILEC I-U-M blocks, the 1SNA164985R1000 provides a manufacturer-specific component for maintaining and assembling compatible test connector installations. ESSAILEC systems are widely used where engineers need convenient access to secondary current and voltage circuits for testing instruments, meters and protection relays.
The component is part of the TE Connectivity Entrelec ESSAILEC range and is supplied in a manufacturer pack quantity of 100 pieces. Its dedicated compatibility makes it suitable for original equipment construction as well as maintenance and replacement work on existing ESSAILEC test block installations.
ESSAILEC test blocks are designed to simplify testing and measurement operations on secondary current and voltage circuits. Compatible systems can provide convenient test access for measurement, monitoring, signal injection and the servicing or replacement of meters and protection relays without unnecessary disruption to the surrounding installation.
The 1SNA164985R1000 is a dedicated component for compatible I-U-M blocks within this system. Using the specified Entrelec accessory helps maintain the intended mechanical arrangement of the ESSAILEC assembly, making it suitable for panel builders, maintenance engineers and operators working with established test block installations.
| Manufacturer | TE Connectivity / Entrelec |
|---|---|
| Series | ESSAILEC |
| Model | 1SNA164985R1000 |
| Manufacturer designation | DOUILLE ECROU BLOC I-U-M |
| Product type | Socket nut / test block accessory |
| Compatible system | ESSAILEC |
| Compatible block type | I-U-M |
| Application | Test connector assembly and maintenance |
| Pack quantity | 100 |
| EAN | 3472591649857 |
| Country of origin | France |
The 1SNA164985R1000 is a socket nut accessory for compatible Entrelec ESSAILEC I-U-M test blocks, identified by the manufacturer as DOUILLE ECROU BLOC I-U-M.
The component forms part of the TE Connectivity Entrelec ESSAILEC range of electrical test connection products and accessories.
The manufacturer identifies the component as DOUILLE ECROU BLOC I-U-M, specifying it for compatible ESSAILEC I-U-M block assemblies.
ESSAILEC test systems are used in applications involving current and voltage measurement, monitoring, testing, signal injection, metering and protection relay maintenance.
The TE Connectivity 1SNA164985R1000 has a manufacturer pack quantity of 100 pieces.
TE Connectivity Entrelec ESSAILEC accessories provide purpose-designed components for professional electrical test systems, supporting organised installation, maintenance and testing of metering, protection and secondary current and voltage circuits.
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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...