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1sna166672r0700 – fit2-2/4-i
TE Connectivity FIT-2/4-I 1SNA166672R0700 is a 4-pole ESSAILEC voltage test plug with coded and locking features for testing, commissioning and maintenance of industrial voltage measurement and protection circuits.
£14.89
Why Choose the TE Connectivity FIT-2/4-I 1SNA166672R0700 Voltage Test Plug?
The TE Connectivity FIT-2/4-I 1SNA166672R0700 is a specialist 4-pole ESSAILEC voltage test plug designed for safe and convenient testing of voltage measurement, metering and protection circuits. Part of the established TE Connectivity ENTRELEC ESSAILEC series, it provides a plug-in interface for accessing secondary circuits during commissioning, monitoring, maintenance and diagnostic procedures.
The FIT-2/4-I is configured as a 4-pole plug with insertion positions 01-02-03-04. It incorporates one coding pin and four locking pins, helping ensure correct positioning and secure engagement with compatible ESSAILEC test sockets. This coded plug-and-socket architecture reduces the risk of incorrect connection between different test circuits and provides a practical solution for professional electrical testing.
Manufactured with a grey insulating body, the 1SNA166672R0700 measures approximately 63 mm high × 44 mm wide × 115 mm deep and weighs approximately 60 g. Contact pins are selected separately, allowing the plug to be configured for the required installation and wiring arrangement.
Key Advantages
- Purpose-designed 4-pole voltage test plug for ESSAILEC systems.
- Insertion positions 01-02-03-04 for defined voltage-circuit connections.
- Coding and locking arrangement helps prevent incorrect plug insertion.
- Plug-in test architecture supports fast commissioning and maintenance procedures.
- Allows access to secondary voltage circuits without unnecessary disturbance of permanent panel wiring.
- Suitable for metering, protection, monitoring and industrial electrical testing applications.
Key Features
- TE Connectivity ENTRELEC ESSAILEC series.
- FIT-2/4-I voltage test plug configuration.
- 4-pole test interface.
- Insertion positions 01-02-03-04.
- Supplied with 1 coding pin.
- Includes 4 locking pins for secure positioning.
- Grey insulating body for ESSAILEC voltage applications.
- Contact pins are ordered separately to suit the required wiring arrangement.
Reliable Voltage-Circuit Testing for Industrial Systems
ESSAILEC measuring and testing blocks provide a modular method of accessing electrical measurement circuits for current and voltage testing, monitoring, signal injection and the maintenance or replacement of meters and protection relays. The FIT-2/4-I provides the plug interface required for selected voltage-transformer and voltage-sensor secondary circuit applications.
Its coding and locking features help technicians establish the correct test connection while reducing the risk of accidental mismatching between circuits. This makes the FIT-2/4-I particularly useful in switchboards and protection panels where dependable, repeatable test access is required throughout the service life of the installation.
Typical Applications
- Voltage-transformer secondary circuits.
- Protection relay testing and commissioning.
- Industrial voltage measurement systems.
- Electrical metering and monitoring panels.
- Switchgear and power distribution installations.
- Maintenance and diagnostic testing of secondary circuits.
Technical Specifications
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| Terminal Type | Disconnect / Test | |
|---|---|---|
| Connection | Pluggable | |
| Product Series | TE SNA | |
| Colour | Grey | |
| Manufacturer | TE Connectivity | |
| Product family | ENTRELEC ESSAILEC | |
| Model | FIT-2/4-I | |
| Part number | 1SNA166672R0700 | |
| Product type | Voltage test plug | |
| Number of poles | 4 | |
| Insertion positions | 01-02-03-04 | |
| Coding | 1 coding pin (COP-FI-1) | |
| Locking | 4 locking pins | |
| Contact pins | BRE-T series contacts ordered separately | |
| Colour | Grey | |
| Product height | 63 mm | |
| Product width | 44 mm | |
| Product depth | 115 mm | |
| Weight | approx. 60 g | |
| Compatible system | ESSAILEC measuring and testing blocks | |
| EAN | 3472591666724 |
Frequently Asked Questions
What is the TE Connectivity 1SNA166672R0700 used for?
The 1SNA166672R0700 is a 4-pole ESSAILEC voltage test plug used to provide test access to voltage measurement, metering and protection circuits during commissioning and maintenance.
How many poles does the FIT-2/4-I have?
The FIT-2/4-I has 4 poles arranged for insertion positions 01-02-03-04.
Does the FIT-2/4-I include coding and locking features?
Yes. The plug is configured with one COP-FI-1 coding pin and four locking pins, helping ensure correct and secure connection to the compatible ESSAILEC socket.
Are the electrical contact pins supplied with the 1SNA166672R0700?
The required BRE-T series contact pins are ordered separately, allowing suitable contacts to be selected for the intended wiring and test configuration.
What are the dimensions of the FIT-2/4-I?
The plug measures approximately 63 mm high × 44 mm wide × 115 mm deep and weighs approximately 60 g.
Trusted for Professional Electrical Testing
TE Connectivity ENTRELEC ESSAILEC test components provide a modular and dependable interface for voltage measurement, metering and protection circuits, helping electrical engineers perform commissioning, diagnostics and maintenance efficiently.
