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1sna166921r1100 – tc-s-inf-vl- 2-2
TE Connectivity 1SNA166921R1100 TC-S-INF-VL-2-2 is an ESSAILEC shunted voltage test socket with electrical continuity, screw connections, 2.2 coding and base or half-base mounting for electrical measurement and protection applications.
Why Choose the TE Connectivity 1SNA166921R1100 TC-S-INF-VL-2-2 ESSAILEC Voltage Socket?
The TE Connectivity 1SNA166921R1100, also identified as TC-S-INF-VL-2-2 or TC-S-INF-VL-2.2, is a specialised ESSAILEC shunted voltage test socket designed for electrical measurement, testing and protection applications. Part of the established TE Connectivity / Entrelec ESSAILEC range, it provides a dependable interface for voltage measurement and instrument transformer circuits in switchgear, substations and industrial electrical systems.
The TC-S-INF-VL-2-2 features a shunted voltage socket configuration with electrical continuity, together with screw connections and 2.2 coding. Its base and half-base mounting arrangement provides a robust installation method for compatible ESSAILEC assemblies, while the integrated cover helps protect the connection interface.
With compact dimensions of approximately 63 mm high, 44 mm wide and 40 mm deep, the 1SNA166921R1100 is designed for space-efficient installation within electrical equipment. It is compatible with a G32 32 × 15 mm mounting rail in accordance with IEC 60715 and has a net weight of approximately 200 g.
Key Advantages
- Specialised ESSAILEC shunted voltage socket for electrical test and measurement systems.
- Electrical continuity configuration for compatible voltage circuits.
- Screw connection technology for secure industrial wiring.
- 2.2 coding helps ensure correct connection with compatible ESSAILEC components.
- Designed for base and half-base mounting.
- Compatible with G32 32 × 15 mm mounting rail installations.
Key Features
- TE Connectivity / Entrelec ESSAILEC range.
- TC-S-INF-VL-2-2 manufacturer product designation.
- Shunted voltage socket with electrical continuity.
- Screw termination for field wiring.
- 2.2 coding configuration.
- Integrated protective cover.
- Base / half-base mounting arrangement.
- Compact 44 mm wide industrial construction.
Reliable Voltage Circuit Testing and Measurement
ESSAILEC test blocks provide a dedicated connection interface for electrical measurement and protection circuits, helping engineers perform commissioning, testing and maintenance using compatible plugs and accessories. The modular architecture supports organised circuit access in switchgear, protection panels and instrument transformer installations.
The TC-S-INF-VL-2-2 is configured as a shunted voltage socket with electrical continuity, making it particularly suitable for compatible voltage measurement circuits where a defined connection state is required. Its screw termination, coded interface and robust mounting arrangement support reliable integration into industrial electrical and power distribution systems.
Typical Applications
- Voltage transformer secondary circuits.
- Electrical measurement and metering systems.
- Protection relay testing and commissioning.
- Switchgear and electrical distribution panels.
- Substation protection and control systems.
- Industrial electrical testing and maintenance installations.
Technical Specifications
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| Connection | Screw clamp | |
|---|---|---|
| Product Series | TE Essailec | |
| Terminal Type | Disconnect / Test | |
| Manufacturer | TE Connectivity / Entrelec | |
| Series | ESSAILEC Test Blocks | |
| Model | TC-S-INF-VL-2-2 | |
| Alternative model designation | TC-S-INF-VL-2.2 | |
| Manufacturer part number | 1SNA166921R1100 | |
| Product type | Shunted voltage test socket | |
| Application | Voltage measurement, testing and protection circuits | |
| Contact configuration | Shunted with electrical continuity | |
| Connection technology | Screw | |
| Coding | 2.2 | |
| Cover | Included | |
| Mounting type | Base / half-base mounting | |
| Compatible mounting rail | G32, 32 × 15 mm | |
| Mounting rail standard | IEC 60715 | |
| Width | 44 mm | |
| Height | 63 mm | |
| Depth | 40 mm | |
| Weight | approx. 200 g | |
| ETIM classification | EC000902 disconnect terminal block | |
| Pack quantity | 1 | |
| EAN | 3472591669213 |
Frequently Asked Questions
What is the TE Connectivity 1SNA166921R1100 used for?
The 1SNA166921R1100 is an ESSAILEC shunted voltage test socket designed for electrical measurement, testing, protection and compatible voltage transformer circuit applications.
What is the product designation for the 1SNA166921R1100?
The manufacturer's product designation is TC-S-INF-VL-2-2, which may also be written as TC-S-INF-VL-2.2.
What connection technology does the TC-S-INF-VL-2-2 use?
The TC-S-INF-VL-2-2 uses screw connection technology and incorporates a shunted configuration with electrical continuity.
What are the dimensions of the 1SNA166921R1100?
The socket measures approximately 63 mm high, 44 mm wide and 40 mm deep, with a net weight of approximately 200 g.
Where is the TC-S-INF-VL-2-2 typically installed?
The TC-S-INF-VL-2-2 is typically used in voltage measurement and protection circuits within switchgear, substations, metering panels and industrial electrical installations incorporating compatible ESSAILEC equipment.
Trusted for Voltage Testing and Measurement
TE Connectivity / Entrelec ESSAILEC test blocks provide specialised connection solutions for instrument transformer, metering and protection circuits where dependable test access, secure electrical connections and efficient maintenance are essential.
