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1sna166628r0300 – tc-e-c5a-2-2 essailec connector
TE Connectivity TC-E-C5A-2.2 1SNA166628R0300 is an 8 A, 400 V flush-mounted ENTRELEC ESSAILEC voltage test socket with Quickconnect termination and 2.2 coding for secondary voltage-transformer circuits.
£97.21
Why Choose the TE Connectivity TC-E-C5A-2.2 ESSAILEC Connector?
The TE Connectivity TC-E-C5A-2.2 1SNA166628R0300 is a flush-mounted voltage test socket from the established ENTRELEC ESSAILEC test block range, designed for safe and convenient testing of secondary voltage-transformer circuits. It provides a dedicated plug-in interface for measurement, monitoring, signal injection, commissioning and maintenance operations in switchgear, metering and protection systems.
This grey ESSAILEC socket uses a Quickconnect / Faston termination system and incorporates 2.2 coding to help ensure correct plug identification and connection. The TC-E-C5A-2.2 is designed for flush mounting through the front of an electrical panel and is supplied with its lid and coding components, providing an integrated solution for professional test-block installations.
With a rated current of 8 A and rated voltage of 400 V, the TC-E-C5A-2.2 is engineered for secondary voltage circuits where controlled test access is required. The ESSAILEC system enables simultaneous testing of multiple circuits through compatible plugs, helping technicians work efficiently while avoiding unnecessary disconnection of permanently installed wiring.
Key Advantages
- Dedicated ESSAILEC voltage-transformer test socket for professional measurement and protection applications.
- 8 A rated current and 400 V rated voltage.
- Quickconnect / Faston termination supports efficient panel wiring.
- Flush-mounted design provides convenient front-panel access for testing.
- Integrated 2.2 coding helps prevent incorrect plug connections.
- Supplied with lid and coding components for a complete installation.
Key Features
- TE Connectivity ENTRELEC ESSAILEC range.
- TC-E-C5A-2.2 voltage test socket.
- 8 A rated current.
- 400 V rated voltage.
- Quickconnect / Faston connection technology.
- 2.2 coding configuration.
- Flush mounting for electrical panel fronts.
- Grey housing for voltage-circuit identification.
- Supplied with lid and coding.
- Compatible with ESSAILEC universal and pre-wired test plugs.
Reliable Test Access for Voltage Transformer Circuits
ESSAILEC test blocks are designed to simplify operations such as voltage measurement, monitoring, signal injection, commissioning and the repair or replacement of meters and protection relays connected to secondary transformer circuits. The plug-and-socket concept provides a controlled interface for test equipment, reducing the need to alter permanent wiring whenever diagnostic or maintenance work is required.
The TC-E-C5A-2.2 combines front-panel accessibility with Quickconnect termination and coded plug compatibility. Used with the appropriate ESSAILEC accessories, it supports a structured test environment for switchgear, substations, metering systems and industrial power distribution equipment where reliable and repeatable circuit access is essential.
Typical Applications
- Voltage transformer secondary circuits.
- Electrical metering and measurement panels.
- Protection relay testing and commissioning.
- Substation control and protection systems.
- Industrial switchgear and distribution assemblies.
- Meter and protection-relay maintenance.
- Electrical monitoring and test systems.
Technical Specifications
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| Terminal Type | Disconnect / Test | |
|---|---|---|
| Product Series | TE Essailec | |
| Colour | Grey | |
| Manufacturer | TE Connectivity | |
| Brand / range | ENTRELEC | |
| Series | ESSAILEC | |
| Model | TC-E-C5A-2.2 | |
| Manufacturer part number | 1SNA166628R0300 | |
| Product type | Voltage test socket / ESSAILEC connector | |
| Application | Voltage transformer secondary circuits | |
| Rated current | 8 A | |
| Rated voltage | 400 V | |
| Connection technology | Quickconnect / Faston | |
| Mounting type | Flush / front-panel mounting | |
| Coding | 2.2 | |
| Colour | Grey | |
| Protection without lid | IP20 | |
| Protection with lid | IP40 | |
| Pollution degree | 3 | |
| Working temperature range | -10–55 °C | |
| Storage temperature range | -25–70 °C | |
| Weight | approx. 170 g | |
| Pack quantity | 1 | |
| Barcode | 3472591666281 |
Frequently Asked Questions
What is the TE Connectivity TC-E-C5A-2.2 1SNA166628R0300 used for?
The TC-E-C5A-2.2 is an ESSAILEC voltage test socket designed to provide controlled access for testing, measuring and maintaining secondary voltage-transformer circuits.
What are the electrical ratings of the TC-E-C5A-2.2?
The connector has a rated current of 8 A and a rated voltage of 400 V.
What connection technology does the TC-E-C5A-2.2 use?
The TC-E-C5A-2.2 uses a Quickconnect / Faston termination system, providing a practical connection method for panel wiring.
How is the TC-E-C5A-2.2 mounted?
The connector is designed for flush mounting through the front of an electrical panel, providing convenient access to the ESSAILEC test interface.
Which plugs are compatible with the TC-E-C5A-2.2?
The socket supports compatible ESSAILEC test plugs including the FI-2/4-DIA4 universal plug and appropriate COR-T pre-wired plug configurations for voltage-transformer applications.
Trusted for Electrical Testing and Protection Systems
TE Connectivity ENTRELEC ESSAILEC test blocks provide a modular plug-and-play connection platform for voltage measurement, monitoring, commissioning and protection applications where safe, efficient and repeatable access to secondary electrical circuits is required.
