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TE Connectivity FIP-1/4-G-2 1SNA166561R2000 is a 4-pole ENTRELEC ESSAILEC test plug designed for compatible electrical measurement, testing and protection circuits.
The TE Connectivity FIP-1/4-G-2 1SNA166561R2000 is a specialist 4-pole plug for the ENTRELEC ESSAILEC test block system, designed for electrical measurement, protection and testing circuits. The ESSAILEC range provides a modular interface for accessing secondary circuits in switchgear, metering and protection installations, helping engineers perform commissioning and maintenance without unnecessarily disturbing permanent field wiring.
The FIP-1/4-G-2 belongs to the ESSAILEC family of customised plugs and uses a four-pole arrangement for interfacing with compatible test-block assemblies. This configuration provides a convenient removable connection point for test equipment and supports organised, repeatable testing procedures in industrial electrical and power distribution environments.
Designed for professional panel and switchgear applications, the FIP-1/4-G-2 forms part of a system engineered around secure plug-and-socket connections, coding and circuit identification. Its manufacturer part number 1SNA166561R2000 uniquely identifies this ESSAILEC plug configuration, making it suitable for replacement, maintenance and new-build applications requiring the corresponding FIP-1/4-G-2 component.
ESSAILEC test blocks are designed to provide controlled access to secondary electrical circuits used for measurement, metering and protection. Removable plugs enable engineers to connect test equipment through a dedicated interface rather than repeatedly altering permanent wiring, helping make commissioning and maintenance procedures more efficient and consistent.
The FIP-1/4-G-2 provides a four-pole connection format within this modular system. When installed with the appropriate compatible ESSAILEC components, it supports structured testing of electrical circuits in switchgear, substations, industrial control systems and power distribution equipment.
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| Product Series | TE Essailec | |
|---|---|---|
| Connection | Pluggable | |
| Terminal Type | Disconnect / Test | |
| Manufacturer | TE Connectivity | |
| Brand / range | ENTRELEC | |
| Series | ESSAILEC | |
| Model | FIP-1/4-G-2 | |
| Manufacturer part number | 1SNA166561R2000 | |
| Product type | ESSAILEC test plug | |
| Number of poles | 4 | |
| Connection system | Plug-in ESSAILEC test system | |
| Application | Measurement, testing and protection circuits | |
| Pack quantity | 1 | |
| Barcode | 3472591665611 |
The FIP-1/4-G-2 is a 4-pole plug from the TE Connectivity ENTRELEC ESSAILEC range, intended for compatible electrical testing, measurement and protection installations.
The FIP-1/4-G-2 uses a 4-pole connection configuration for interfacing with compatible ESSAILEC test-block systems.
It is typically used to provide removable test access in measurement, metering, voltage transformer and protection circuits within switchgear and electrical control installations.
The FIP-1/4-G-2 forms part of the TE Connectivity ENTRELEC ESSAILEC range of modular test blocks, plugs and associated connection components.
The manufacturer part number is 1SNA166561R2000, with FIP-1/4-G-2 identifying the corresponding ESSAILEC plug configuration.
TE Connectivity ENTRELEC ESSAILEC components provide electrical engineers and panel builders with a modular connection platform for measurement, testing, commissioning and protection applications where reliable and repeatable circuit access is required.
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