1sna166631r2600 – pc-e-c5a-8-8

Why Choose the TE Connectivity 1SNA166631R2600 PC-E-C5A-8.8 Polarity Test Socket?

The TE Connectivity 1SNA166631R2600 is a PC-E-C5A-8.8 polarity test socket from the ENTRELEC ESSAILEC measuring and testing range. Designed for secondary electrical test circuits, this blue socket combines shunted contacts, a protective cover and 8.8 coding with a compact mounting format for professional metering, protection and instrumentation systems.

The PC-E-C5A-8.8 uses a C5A plug-in connection and is rated at 400 V and 8 A. ESSAILEC test blocks provide a dedicated plug-and-play interface for current and voltage measurement, monitoring, signal injection, maintenance and replacement of meters or protection relays installed in secondary transformer and sensor circuits.

Measuring approximately 74 × 50 × 40 mm, the socket can be installed on G32, TH35-7.5 and TH35-15 mounting rails in accordance with IEC 60715. Its coded interface and protection against incorrect plug insertion help provide an organised and dependable testing solution for switchgear, protection panels and industrial electrical installations.

Key Advantages

• Purpose-built ESSAILEC polarity test socket for electrical measuring and testing systems.
• 400 V rated voltage and 8 A rated current.
• Shunted contact configuration for compatible test circuits.
• C5A plug-in connection supports fast and organised wiring integration.
• 8.8 coding helps prevent incorrect connection between different test circuits.
• Protection against reverse insertion of the compatible test plug.
• Compatible with G32, TH35-7.5 and TH35-15 mounting rails.
• Blue housing provides clear identification within ESSAILEC test assemblies.

Key Features

• TE Connectivity / ENTRELEC ESSAILEC measuring and testing component.
• PC-E-C5A-8.8 product designation.
• Polarity socket with shunted contacts.
• Supplied with protective cover.
• C5A plug-in terminal connection.
• 8.8 coding configuration.
• 400 V rated voltage.
• 8 A rated current.
• Blue insulating housing.
• 50 mm width.
• 74 mm height.
• 40 mm depth.
• DIN rail compatibility according to IEC 60715.
• Manufacturer part number 1SNA166631R2600.

Structured Testing for Metering and Protection Circuits

ESSAILEC test systems are designed to simplify testing operations on secondary circuits associated with current and voltage transformers, sensors, meters and protection relays. The plug-and-socket architecture enables measurement, monitoring, injection, maintenance and equipment replacement through a dedicated interface, while the ESSAILEC coding system helps prevent connection errors between different circuits.

The TE Connectivity PC-E-C5A-8.8 combines a shunted polarity socket arrangement with a C5A connection interface and 8.8 coding. Its compatibility with G32 and TH35 mounting rails allows straightforward integration into industrial panels, switchgear and protection systems where repeatable access to electrical test circuits is required.

Typical Applications

• Secondary electrical measuring and testing circuits.
• Current and voltage transformer circuits.
• Protection relay testing and maintenance.
• Electrical metering and monitoring systems.
• Switchgear test and protection panels.
• Substation control and instrumentation systems.
• Industrial commissioning and maintenance panels.
• Compatible ENTRELEC ESSAILEC test assemblies.