TE Connectivity 1SNA166502R2600 FIC-2/4-R4-6.6 is an ENTRELEC ESSAILEC current test plug designed to provide a removable interface for testing, commissioning and maintenance of electrical current circuits.
£86.06
The TE Connectivity 1SNA166502R2600 is a specialised current test plug designed for testing, commissioning and maintenance of electrical current circuits. Also identified as the FIC-2/4-R4-6.6, this plug forms part of the established ENTRELEC ESSAILEC measuring and testing system, providing a dedicated interface for accessing current circuits in protection, metering and measurement installations.
The FIC-2/4-R4-6.6 is designed for use with compatible ESSAILEC current test sockets, allowing engineers and technicians to connect test equipment through a purpose-built removable interface. This helps simplify diagnostic and commissioning procedures while reducing the need to disturb permanent panel wiring, making the system particularly valuable in protection and measurement applications where dependable circuit access is essential.
With compact dimensions of approximately 63 × 44 × 111 mm and a net weight of approximately 112 g, the 1SNA166502R2600 provides a practical test connection solution for industrial and utility electrical systems. Its ESSAILEC format makes it suitable for current transformer secondary circuits, protection relay systems, energy metering and other applications requiring structured access to current circuits.
Current test plugs provide engineers with a dedicated interface for connecting test and measurement equipment to electrical current circuits. In protection and metering installations, a modular test system can simplify commissioning and maintenance by providing controlled access to circuits without requiring repeated alteration of permanent field wiring.
The FIC-2/4-R4-6.6 forms part of the ENTRELEC ESSAILEC measuring and testing range and is intended for use with compatible test system components. Its removable plug format makes it particularly suitable for current transformer circuits, protection relays, metering systems and switchgear where repeatable and organised test access is required throughout the equipment's service life.
| Manufacturer | TE Connectivity / ENTRELEC |
|---|---|
| Series | ESSAILEC |
| Model | FIC-2/4-R4-6.6 |
| Manufacturer part number | 1SNA166502R2600 |
| Product type | Current test plug |
| Application | Electrical current circuit testing and measurement |
| Product height | 63 mm |
| Product width | 44 mm |
| Product depth | 111 mm |
| Product net weight | approx. 112 g |
| ETIM classification | EC000902 – Disconnect terminal block |
| EAN | 3472591665024 |
| Pack quantity | 1 |
The 1SNA166502R2600 FIC-2/4-R4-6.6 is a current test plug designed to provide a removable test interface for current circuits in electrical protection, metering, measurement and commissioning applications.
The FIC-2/4-R4-6.6 forms part of the TE Connectivity / ENTRELEC ESSAILEC range of measuring and testing blocks and accessories.
The FIC-2/4-R4-6.6 measures approximately 63 mm high, 44 mm wide and 111 mm deep.
The 1SNA166502R2600 has a product net weight of approximately 112 g.
The current test plug is suitable for applications including current transformer secondary circuits, protection relay systems, energy metering, substations and switchgear where convenient access for testing and maintenance is required.
TE Connectivity ENTRELEC ESSAILEC measuring and testing components provide structured access to electrical protection and measurement circuits, helping engineers perform commissioning, diagnostics and maintenance through a dependable modular test interface.
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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...
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...