1sna166821r1500 – voltage test plug

Why Choose the TE Connectivity FIT-2/1-1 1SNA166821R1500 Voltage Test Plug?

The TE Connectivity FIT-2/1-1 1SNA166821R1500 is a professional 2-pole voltage test plug designed for use with compatible sockets in the Entrelec ESSAILEC® measuring and testing range. Developed for voltage transformer applications, it provides engineers and maintenance personnel with a convenient interface for electrical testing, measurement and commissioning in industrial control, protection and metering systems.

The FIT-2/1-1 is supplied with 2.5 mm² BRE-T-2.5 contact pins and does not include coding pins. Its compact grey housing provides a practical test connection for compatible ESSAILEC voltage sockets, helping technicians access electrical circuits without unnecessarily disturbing permanent panel wiring.

With a 2-pole configuration and compact dimensions of approximately 51 mm high, 8.8 mm wide and 65 mm deep, the 1SNA166821R1500 is well suited to professional test equipment and industrial electrical installations. Its dedicated ESSAILEC design ensures compatibility with a wide selection of voltage sockets from the same measuring and testing system.

Key Advantages

• Purpose-designed 2-pole voltage test plug for ESSAILEC systems.
• Supplied with 2.5 mm² BRE-T-2.5 contact pins.
• Designed for voltage transformer testing and measurement applications.
• Provides convenient circuit access for testing, commissioning and maintenance.
• Compact grey industrial housing for easy integration with test equipment.
• Compatible with numerous voltage sockets in the Entrelec ESSAILEC® range.

Key Features

• TE Connectivity / Entrelec ESSAILEC® series.
• FIT-2/1-1 voltage test plug.
• 2-pole configuration.
• 2.5 mm² contact pins.
• Supplied with BRE-T-2.5 contacts.
• Supplied without coding pins.
• Grey housing.
• Compact design for professional electrical testing applications.

Reliable Voltage Testing for Industrial Electrical Systems

Voltage test plugs provide engineers with a convenient method of connecting measuring and test equipment to instrument transformer circuits. Used with a compatible ESSAILEC socket, the FIT-2/1-1 helps simplify diagnostic, commissioning and maintenance procedures while reducing the need to disconnect or modify permanent electrical wiring.

The ESSAILEC range is designed around a modular plug-and-socket approach for professional measurement and testing applications. The FIT-2/1-1 provides two poles with pre-fitted 2.5 mm² contact pins, making it a compact and practical accessory for compatible voltage sockets used in switchgear, protection, metering and industrial control equipment.

Typical Applications

• Voltage transformer secondary circuit testing.
• Electrical switchgear and distribution panels.
• Protection relay testing and commissioning.
• Energy metering and measurement systems.
• Industrial electrical control panels.
• Maintenance and diagnostic test equipment.