1sna166502r2600 – current test plug

Why Choose the TE Connectivity 1SNA166502R2600 FIC-2/4-R4-6.6 Current Test Plug?

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.

Key Advantages

• Purpose-designed current test plug for electrical measurement and protection circuits.
• Part of the established ENTRELEC ESSAILEC measuring and testing system.
• Provides convenient access to current circuits during testing, commissioning and maintenance.
• Helps minimise unnecessary disturbance of permanent electrical panel wiring.
• Compact plug format suitable for protection, metering and switchgear applications.
• Designed to interface with compatible ESSAILEC current test equipment and sockets.

Key Features

• TE Connectivity / ENTRELEC ESSAILEC range.
• FIC-2/4-R4-6.6 current test plug.
• Designed specifically for current circuit testing.
• Removable test interface for compatible ESSAILEC systems.
• Suitable for electrical measurement and protection applications.
• Compact industrial construction for panel-based test systems.
• Suitable for commissioning, diagnostics and maintenance procedures.
• Compatible with the modular ESSAILEC measuring and testing concept.

Reliable Access for Current Circuit Testing

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.

Typical Applications

• Current transformer secondary circuit testing.
• Protection relay testing and commissioning.
• Electrical energy metering systems.
• Substation protection and control panels.
• Switchgear commissioning and maintenance.
• Industrial current measurement and diagnostic systems.